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update mono dependencies

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pull/702/head
Luke Pulverenti 8 years ago
parent 5b0b6e1d3f
commit 76e6c220d6
17 changed files with 7923 additions and 5 deletions
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22
MediaBrowser.Server.Mono/MediaBrowser.Server.Mono.csproj
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@ -23,6 +23,7 @@
<WarningLevel>4</WarningLevel>
<PlatformTarget>x86</PlatformTarget>
<Externalconsole>true</Externalconsole>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
<DebugType>full</DebugType>
@ -60,11 +61,6 @@
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages\Mono.Posix.4.0.0.0\lib\net40\Mono.Posix.dll</HintPath>
</Reference>
<Reference Include="Mono.Security, Version=4.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\ThirdParty\Mono.Security\Mono.Security.dll</HintPath>
<Private>False</Private>
</Reference>
<Reference Include="Patterns.Logging, Version=1.0.5494.41209, Culture=neutral, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages\Patterns.Logging.1.0.0.2\lib\portable-net45+sl4+wp71+win8+wpa81\Patterns.Logging.dll</HintPath>
@ -95,6 +91,22 @@
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Native\NativeApp.cs" />
<Compile Include="Networking\NetworkManager.cs" />
<Compile Include="Security\ASN1.cs" />
<Compile Include="Security\ASN1Convert.cs" />
<Compile Include="Security\BitConverterLE.cs" />
<Compile Include="Security\CryptoConvert.cs" />
<Compile Include="Security\PKCS1.cs" />
<Compile Include="Security\PKCS12.cs" />
<Compile Include="Security\PKCS7.cs" />
<Compile Include="Security\PKCS8.cs" />
<Compile Include="Security\X501Name.cs" />
<Compile Include="Security\X509Builder.cs" />
<Compile Include="Security\X509Certificate.cs" />
<Compile Include="Security\X509CertificateBuilder.cs" />
<Compile Include="Security\X509CertificateCollection.cs" />
<Compile Include="Security\X509Extension.cs" />
<Compile Include="Security\X509Extensions.cs" />
<Compile Include="Security\X520Attributes.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<ItemGroup>

344
MediaBrowser.Server.Mono/Security/ASN1.cs
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@ -0,0 +1,344 @@
//
// ASN1.cs: Abstract Syntax Notation 1 - micro-parser and generator
//
// Authors:
// Sebastien Pouliot <sebastien@ximian.com>
// Jesper Pedersen <jep@itplus.dk>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
// (C) 2004 IT+ A/S (http://www.itplus.dk)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.IO;
using System.Text;
namespace Mono.Security {
// References:
// a. ITU ASN.1 standards (free download)
// http://www.itu.int/ITU-T/studygroups/com17/languages/
#if INSIDE_CORLIB
internal
#else
public
#endif
class ASN1 {
private byte m_nTag;
private byte[] m_aValue;
private ArrayList elist;
public ASN1 () : this (0x00, null) {}
public ASN1 (byte tag) : this (tag, null) {}
public ASN1 (byte tag, byte[] data)
{
m_nTag = tag;
m_aValue = data;
}
public ASN1 (byte[] data)
{
m_nTag = data [0];
int nLenLength = 0;
int nLength = data [1];
if (nLength > 0x80) {
// composed length
nLenLength = nLength - 0x80;
nLength = 0;
for (int i = 0; i < nLenLength; i++) {
nLength *= 256;
nLength += data [i + 2];
}
}
else if (nLength == 0x80) {
// undefined length encoding
throw new NotSupportedException ("Undefined length encoding.");
}
m_aValue = new byte [nLength];
Buffer.BlockCopy (data, (2 + nLenLength), m_aValue, 0, nLength);
if ((m_nTag & 0x20) == 0x20) {
int nStart = (2 + nLenLength);
Decode (data, ref nStart, data.Length);
}
}
public int Count {
get {
if (elist == null)
return 0;
return elist.Count;
}
}
public byte Tag {
get { return m_nTag; }
}
public int Length {
get {
if (m_aValue != null)
return m_aValue.Length;
else
return 0;
}
}
public byte[] Value {
get {
if (m_aValue == null)
GetBytes ();
return (byte[]) m_aValue.Clone ();
}
set {
if (value != null)
m_aValue = (byte[]) value.Clone ();
}
}
private bool CompareArray (byte[] array1, byte[] array2)
{
bool bResult = (array1.Length == array2.Length);
if (bResult) {
for (int i = 0; i < array1.Length; i++) {
if (array1[i] != array2[i])
return false;
}
}
return bResult;
}
public bool Equals (byte[] asn1)
{
return CompareArray (this.GetBytes (), asn1);
}
public bool CompareValue (byte[] value)
{
return CompareArray (m_aValue, value);
}
public ASN1 Add (ASN1 asn1)
{
if (asn1 != null) {
if (elist == null)
elist = new ArrayList ();
elist.Add (asn1);
}
return asn1;
}
public virtual byte[] GetBytes ()
{
byte[] val = null;
if (Count > 0) {
int esize = 0;
ArrayList al = new ArrayList ();
foreach (ASN1 a in elist) {
byte[] item = a.GetBytes ();
al.Add (item);
esize += item.Length;
}
val = new byte [esize];
int pos = 0;
for (int i=0; i < elist.Count; i++) {
byte[] item = (byte[]) al[i];
Buffer.BlockCopy (item, 0, val, pos, item.Length);
pos += item.Length;
}
} else if (m_aValue != null) {
val = m_aValue;
}
byte[] der;
int nLengthLen = 0;
if (val != null) {
int nLength = val.Length;
// special for length > 127
if (nLength > 127) {
if (nLength <= Byte.MaxValue) {
der = new byte [3 + nLength];
Buffer.BlockCopy (val, 0, der, 3, nLength);
nLengthLen = 0x81;
der[2] = (byte)(nLength);
}
else if (nLength <= UInt16.MaxValue) {
der = new byte [4 + nLength];
Buffer.BlockCopy (val, 0, der, 4, nLength);
nLengthLen = 0x82;
der[2] = (byte)(nLength >> 8);
der[3] = (byte)(nLength);
}
else if (nLength <= 0xFFFFFF) {
// 24 bits
der = new byte [5 + nLength];
Buffer.BlockCopy (val, 0, der, 5, nLength);
nLengthLen = 0x83;
der [2] = (byte)(nLength >> 16);
der [3] = (byte)(nLength >> 8);
der [4] = (byte)(nLength);
}
else {
// max (Length is an integer) 32 bits
der = new byte [6 + nLength];
Buffer.BlockCopy (val, 0, der, 6, nLength);
nLengthLen = 0x84;
der [2] = (byte)(nLength >> 24);
der [3] = (byte)(nLength >> 16);
der [4] = (byte)(nLength >> 8);
der [5] = (byte)(nLength);
}
}
else {
// basic case (no encoding)
der = new byte [2 + nLength];
Buffer.BlockCopy (val, 0, der, 2, nLength);
nLengthLen = nLength;
}
if (m_aValue == null)
m_aValue = val;
}
else
der = new byte[2];
der[0] = m_nTag;
der[1] = (byte)nLengthLen;
return der;
}
// Note: Recursive
protected void Decode (byte[] asn1, ref int anPos, int anLength)
{
byte nTag;
int nLength;
byte[] aValue;
// minimum is 2 bytes (tag + length of 0)
while (anPos < anLength - 1) {
DecodeTLV (asn1, ref anPos, out nTag, out nLength, out aValue);
// sometimes we get trailing 0
if (nTag == 0)
continue;
ASN1 elm = Add (new ASN1 (nTag, aValue));
if ((nTag & 0x20) == 0x20) {
int nConstructedPos = anPos;
elm.Decode (asn1, ref nConstructedPos, nConstructedPos + nLength);
}
anPos += nLength; // value length
}
}
// TLV : Tag - Length - Value
protected void DecodeTLV (byte[] asn1, ref int pos, out byte tag, out int length, out byte[] content)
{
tag = asn1 [pos++];
length = asn1 [pos++];
// special case where L contains the Length of the Length + 0x80
if ((length & 0x80) == 0x80) {
int nLengthLen = length & 0x7F;
length = 0;
for (int i = 0; i < nLengthLen; i++)
length = length * 256 + asn1 [pos++];
}
content = new byte [length];
Buffer.BlockCopy (asn1, pos, content, 0, length);
}
public ASN1 this [int index] {
get {
try {
if ((elist == null) || (index >= elist.Count))
return null;
return (ASN1) elist [index];
}
catch (ArgumentOutOfRangeException) {
return null;
}
}
}
public ASN1 Element (int index, byte anTag)
{
try {
if ((elist == null) || (index >= elist.Count))
return null;
ASN1 elm = (ASN1) elist [index];
if (elm.Tag == anTag)
return elm;
else
return null;
}
catch (ArgumentOutOfRangeException) {
return null;
}
}
public override string ToString()
{
StringBuilder hexLine = new StringBuilder ();
// Add tag
hexLine.AppendFormat ("Tag: {0} {1}", m_nTag.ToString ("X2"), Environment.NewLine);
// Add length
hexLine.AppendFormat ("Length: {0} {1}", Value.Length, Environment.NewLine);
// Add value
hexLine.Append ("Value: ");
hexLine.Append (Environment.NewLine);
for (int i = 0; i < Value.Length; i++) {
hexLine.AppendFormat ("{0} ", Value [i].ToString ("X2"));
if ((i+1) % 16 == 0)
hexLine.AppendFormat (Environment.NewLine);
}
return hexLine.ToString ();
}
public void SaveToFile (string filename)
{
if (filename == null)
throw new ArgumentNullException ("filename");
using (FileStream fs = File.Create (filename)) {
byte[] data = GetBytes ();
fs.Write (data, 0, data.Length);
}
}
}
}

212
MediaBrowser.Server.Mono/Security/ASN1Convert.cs
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//
// ASN1Convert.cs: Abstract Syntax Notation 1 convertion routines
//
// Authors:
// Sebastien Pouliot <sebastien@ximian.com>
// Jesper Pedersen <jep@itplus.dk>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// (C) 2004 IT+ A/S (http://www.itplus.dk)
// Copyright (C) 2004-2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Globalization;
using System.Security.Cryptography;
using System.Text;
namespace Mono.Security {
// References:
// a. ITU ASN.1 standards (free download)
// http://www.itu.int/ITU-T/studygroups/com17/languages/
#if INSIDE_CORLIB
internal
#else
public
#endif
static class ASN1Convert {
// RFC3280, section 4.2.1.5
// CAs conforming to this profile MUST always encode certificate
// validity dates through the year 2049 as UTCTime; certificate validity
// dates in 2050 or later MUST be encoded as GeneralizedTime.
// Under 1.x this API requires a Local datetime to be provided
// Under 2.0 it will also accept a Utc datetime
static public ASN1 FromDateTime (DateTime dt)
{
if (dt.Year < 2050) {
// UTCTIME
return new ASN1 (0x17, Encoding.ASCII.GetBytes (
dt.ToUniversalTime ().ToString ("yyMMddHHmmss",
CultureInfo.InvariantCulture) + "Z"));
}
else {
// GENERALIZEDTIME
return new ASN1 (0x18, Encoding.ASCII.GetBytes (
dt.ToUniversalTime ().ToString ("yyyyMMddHHmmss",
CultureInfo.InvariantCulture) + "Z"));
}
}
static public ASN1 FromInt32 (Int32 value)
{
byte[] integer = BitConverterLE.GetBytes (value);
Array.Reverse (integer);
int x = 0;
while ((x < integer.Length) && (integer [x] == 0x00))
x++;
ASN1 asn1 = new ASN1 (0x02);
switch (x) {
case 0:
asn1.Value = integer;
break;
case 4:
asn1.Value = new byte [1];
break;
default:
byte[] smallerInt = new byte [4 - x];
Buffer.BlockCopy (integer, x, smallerInt, 0, smallerInt.Length);
asn1.Value = smallerInt;
break;
}
return asn1;
}
static public ASN1 FromOid (string oid)
{
if (oid == null)
throw new ArgumentNullException ("oid");
return new ASN1 (CryptoConfig.EncodeOID (oid));
}
static public ASN1 FromUnsignedBigInteger (byte[] big)
{
if (big == null)
throw new ArgumentNullException ("big");
// check for numbers that could be interpreted as negative (first bit)
if (big [0] >= 0x80) {
// in thie cas we add a new, empty, byte (position 0) so we're
// sure this will always be interpreted an unsigned integer.
// However we can't feed it into RSAParameters or DSAParameters
int length = big.Length + 1;
byte[] uinteger = new byte [length];
Buffer.BlockCopy (big, 0, uinteger, 1, length - 1);
big = uinteger;
}
return new ASN1 (0x02, big);
}
static public int ToInt32 (ASN1 asn1)
{
if (asn1 == null)
throw new ArgumentNullException ("asn1");
if (asn1.Tag != 0x02)
throw new FormatException ("Only integer can be converted");
int x = 0;
for (int i=0; i < asn1.Value.Length; i++)
x = (x << 8) + asn1.Value [i];
return x;
}
// Convert a binary encoded OID to human readable string representation of
// an OID (IETF style). Based on DUMPASN1.C from Peter Gutmann.
static public string ToOid (ASN1 asn1)
{
if (asn1 == null)
throw new ArgumentNullException ("asn1");
byte[] aOID = asn1.Value;
StringBuilder sb = new StringBuilder ();
// Pick apart the OID
byte x = (byte) (aOID[0] / 40);
byte y = (byte) (aOID[0] % 40);
if (x > 2) {
// Handle special case for large y if x = 2
y += (byte) ((x - 2) * 40);
x = 2;
}
sb.Append (x.ToString (CultureInfo.InvariantCulture));
sb.Append (".");
sb.Append (y.ToString (CultureInfo.InvariantCulture));
ulong val = 0;
for (x = 1; x < aOID.Length; x++) {
val = ((val << 7) | ((byte) (aOID [x] & 0x7F)));
if ( !((aOID [x] & 0x80) == 0x80)) {
sb.Append (".");
sb.Append (val.ToString (CultureInfo.InvariantCulture));
val = 0;
}
}
return sb.ToString ();
}
static public DateTime ToDateTime (ASN1 time)
{
if (time == null)
throw new ArgumentNullException ("time");
string t = Encoding.ASCII.GetString (time.Value);
// to support both UTCTime and GeneralizedTime (and not so common format)
string mask = null;
int year;
switch (t.Length) {
case 11:
// illegal format, still it's supported for compatibility
mask = "yyMMddHHmmZ";
break;
case 13:
// RFC3280: 4.1.2.5.1 UTCTime
year = Convert.ToInt16 (t.Substring (0, 2), CultureInfo.InvariantCulture);
// Where YY is greater than or equal to 50, the
// year SHALL be interpreted as 19YY; and
// Where YY is less than 50, the year SHALL be
// interpreted as 20YY.
if (year >= 50)
t = "19" + t;
else
t = "20" + t;
mask = "yyyyMMddHHmmssZ";
break;
case 15:
mask = "yyyyMMddHHmmssZ"; // GeneralizedTime
break;
case 17:
// another illegal format (990630000000+1000), again supported for compatibility
year = Convert.ToInt16 (t.Substring (0, 2), CultureInfo.InvariantCulture);
string century = (year >= 50) ? "19" : "20";
// ASN.1 (see ITU X.680 section 43.3) deals with offset differently than .NET
char sign = (t[12] == '+') ? '-' : '+';
t = String.Format ("{0}{1}{2}{3}{4}:{5}{6}", century, t.Substring (0, 12), sign,
t[13], t[14], t[15], t[16]);
mask = "yyyyMMddHHmmsszzz";
break;
}
return DateTime.ParseExact (t, mask, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
}
}
}

239
MediaBrowser.Server.Mono/Security/BitConverterLE.cs
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//
// Mono.Security.BitConverterLE.cs
// Like System.BitConverter but always little endian
//
// Author:
// Bernie Solomon
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
namespace Mono.Security
{
internal sealed class BitConverterLE
{
private BitConverterLE ()
{
}
unsafe private static byte[] GetUShortBytes (byte *bytes)
{
if (BitConverter.IsLittleEndian)
return new byte [] { bytes [0], bytes [1] };
else
return new byte [] { bytes [1], bytes [0] };
}
unsafe private static byte[] GetUIntBytes (byte *bytes)
{
if (BitConverter.IsLittleEndian)
return new byte [] { bytes [0], bytes [1], bytes [2], bytes [3] };
else
return new byte [] { bytes [3], bytes [2], bytes [1], bytes [0] };
}
unsafe private static byte[] GetULongBytes (byte *bytes)
{
if (BitConverter.IsLittleEndian)
return new byte [] { bytes [0], bytes [1], bytes [2], bytes [3],
bytes [4], bytes [5], bytes [6], bytes [7] };
else
return new byte [] { bytes [7], bytes [6], bytes [5], bytes [4],
bytes [3], bytes [2], bytes [1], bytes [0] };
}
unsafe internal static byte[] GetBytes (bool value)
{
return new byte [] { value ? (byte)1 : (byte)0 };
}
unsafe internal static byte[] GetBytes (char value)
{
return GetUShortBytes ((byte *) &value);
}
unsafe internal static byte[] GetBytes (short value)
{
return GetUShortBytes ((byte *) &value);
}
unsafe internal static byte[] GetBytes (int value)
{
return GetUIntBytes ((byte *) &value);
}
unsafe internal static byte[] GetBytes (long value)
{
return GetULongBytes ((byte *) &value);
}
unsafe internal static byte[] GetBytes (ushort value)
{
return GetUShortBytes ((byte *) &value);
}
unsafe internal static byte[] GetBytes (uint value)
{
return GetUIntBytes ((byte *) &value);
}
unsafe internal static byte[] GetBytes (ulong value)
{
return GetULongBytes ((byte *) &value);
}
unsafe internal static byte[] GetBytes (float value)
{
return GetUIntBytes ((byte *) &value);
}
unsafe internal static byte[] GetBytes (double value)
{
return GetULongBytes ((byte *) &value);
}
unsafe private static void UShortFromBytes (byte *dst, byte[] src, int startIndex)
{
if (BitConverter.IsLittleEndian) {
dst [0] = src [startIndex];
dst [1] = src [startIndex + 1];
} else {
dst [0] = src [startIndex + 1];
dst [1] = src [startIndex];
}
}
unsafe private static void UIntFromBytes (byte *dst, byte[] src, int startIndex)
{
if (BitConverter.IsLittleEndian) {
dst [0] = src [startIndex];
dst [1] = src [startIndex + 1];
dst [2] = src [startIndex + 2];
dst [3] = src [startIndex + 3];
} else {
dst [0] = src [startIndex + 3];
dst [1] = src [startIndex + 2];
dst [2] = src [startIndex + 1];
dst [3] = src [startIndex];
}
}
unsafe private static void ULongFromBytes (byte *dst, byte[] src, int startIndex)
{
if (BitConverter.IsLittleEndian) {
for (int i = 0; i < 8; ++i)
dst [i] = src [startIndex + i];
} else {
for (int i = 0; i < 8; ++i)
dst [i] = src [startIndex + (7 - i)];
}
}
unsafe internal static bool ToBoolean (byte[] value, int startIndex)
{
return value [startIndex] != 0;
}
unsafe internal static char ToChar (byte[] value, int startIndex)
{
char ret;
UShortFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
unsafe internal static short ToInt16 (byte[] value, int startIndex)
{
short ret;
UShortFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
unsafe internal static int ToInt32 (byte[] value, int startIndex)
{
int ret;
UIntFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
unsafe internal static long ToInt64 (byte[] value, int startIndex)
{
long ret;
ULongFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
unsafe internal static ushort ToUInt16 (byte[] value, int startIndex)
{
ushort ret;
UShortFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
unsafe internal static uint ToUInt32 (byte[] value, int startIndex)
{
uint ret;
UIntFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
unsafe internal static ulong ToUInt64 (byte[] value, int startIndex)
{
ulong ret;
ULongFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
unsafe internal static float ToSingle (byte[] value, int startIndex)
{
float ret;
UIntFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
unsafe internal static double ToDouble (byte[] value, int startIndex)
{
double ret;
ULongFromBytes ((byte *) &ret, value, startIndex);
return ret;
}
}
}

754
MediaBrowser.Server.Mono/Security/CryptoConvert.cs
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//
// CryptoConvert.cs - Crypto Convertion Routines
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2006 Novell Inc. (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Globalization;
using System.Security.Cryptography;
using System.Text;
namespace Mono.Security.Cryptography {
#if INSIDE_CORLIB
internal
#else
public
#endif
sealed class CryptoConvert {
private CryptoConvert ()
{
}
static private int ToInt32LE (byte [] bytes, int offset)
{
return (bytes [offset+3] << 24) | (bytes [offset+2] << 16) | (bytes [offset+1] << 8) | bytes [offset];
}
static private uint ToUInt32LE (byte [] bytes, int offset)
{
return (uint)((bytes [offset+3] << 24) | (bytes [offset+2] << 16) | (bytes [offset+1] << 8) | bytes [offset]);
}
static private byte [] GetBytesLE (int val)
{
return new byte [] {
(byte) (val & 0xff),
(byte) ((val >> 8) & 0xff),
(byte) ((val >> 16) & 0xff),
(byte) ((val >> 24) & 0xff)
};
}
static private byte[] Trim (byte[] array)
{
for (int i=0; i < array.Length; i++) {
if (array [i] != 0x00) {
byte[] result = new byte [array.Length - i];
Buffer.BlockCopy (array, i, result, 0, result.Length);
return result;
}
}
return null;
}
// convert the key from PRIVATEKEYBLOB to RSA
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/security/Security/private_key_blobs.asp
// e.g. SNK files, PVK files
static public RSA FromCapiPrivateKeyBlob (byte[] blob)
{
return FromCapiPrivateKeyBlob (blob, 0);
}
static public RSA FromCapiPrivateKeyBlob (byte[] blob, int offset)
{
if (blob == null)
throw new ArgumentNullException ("blob");
if (offset >= blob.Length)
throw new ArgumentException ("blob is too small.");
RSAParameters rsap = new RSAParameters ();
try {
if ((blob [offset] != 0x07) || // PRIVATEKEYBLOB (0x07)
(blob [offset+1] != 0x02) || // Version (0x02)
(blob [offset+2] != 0x00) || // Reserved (word)
(blob [offset+3] != 0x00) ||
(ToUInt32LE (blob, offset+8) != 0x32415352)) // DWORD magic = RSA2
throw new CryptographicException ("Invalid blob header");
// ALGID (CALG_RSA_SIGN, CALG_RSA_KEYX, ...)
// int algId = ToInt32LE (blob, offset+4);
// DWORD bitlen
int bitLen = ToInt32LE (blob, offset+12);
// DWORD public exponent
byte[] exp = new byte [4];
Buffer.BlockCopy (blob, offset+16, exp, 0, 4);
Array.Reverse (exp);
rsap.Exponent = Trim (exp);
int pos = offset+20;
// BYTE modulus[rsapubkey.bitlen/8];
int byteLen = (bitLen >> 3);
rsap.Modulus = new byte [byteLen];
Buffer.BlockCopy (blob, pos, rsap.Modulus, 0, byteLen);
Array.Reverse (rsap.Modulus);
pos += byteLen;
// BYTE prime1[rsapubkey.bitlen/16];
int byteHalfLen = (byteLen >> 1);
rsap.P = new byte [byteHalfLen];
Buffer.BlockCopy (blob, pos, rsap.P, 0, byteHalfLen);
Array.Reverse (rsap.P);
pos += byteHalfLen;
// BYTE prime2[rsapubkey.bitlen/16];
rsap.Q = new byte [byteHalfLen];
Buffer.BlockCopy (blob, pos, rsap.Q, 0, byteHalfLen);
Array.Reverse (rsap.Q);
pos += byteHalfLen;
// BYTE exponent1[rsapubkey.bitlen/16];
rsap.DP = new byte [byteHalfLen];
Buffer.BlockCopy (blob, pos, rsap.DP, 0, byteHalfLen);
Array.Reverse (rsap.DP);
pos += byteHalfLen;
// BYTE exponent2[rsapubkey.bitlen/16];
rsap.DQ = new byte [byteHalfLen];
Buffer.BlockCopy (blob, pos, rsap.DQ, 0, byteHalfLen);
Array.Reverse (rsap.DQ);
pos += byteHalfLen;
// BYTE coefficient[rsapubkey.bitlen/16];
rsap.InverseQ = new byte [byteHalfLen];
Buffer.BlockCopy (blob, pos, rsap.InverseQ, 0, byteHalfLen);
Array.Reverse (rsap.InverseQ);
pos += byteHalfLen;
// ok, this is hackish but CryptoAPI support it so...
// note: only works because CRT is used by default
// http://bugzilla.ximian.com/show_bug.cgi?id=57941
rsap.D = new byte [byteLen]; // must be allocated
if (pos + byteLen + offset <= blob.Length) {
// BYTE privateExponent[rsapubkey.bitlen/8];
Buffer.BlockCopy (blob, pos, rsap.D, 0, byteLen);
Array.Reverse (rsap.D);
}
}
catch (Exception e) {
throw new CryptographicException ("Invalid blob.", e);
}
#if INSIDE_CORLIB && MOBILE
RSA rsa = RSA.Create ();
rsa.ImportParameters (rsap);
#else
RSA rsa = null;
try {
rsa = RSA.Create ();
rsa.ImportParameters (rsap);
}
catch (CryptographicException ce) {
// this may cause problem when this code is run under
// the SYSTEM identity on Windows (e.g. ASP.NET). See
// http://bugzilla.ximian.com/show_bug.cgi?id=77559
try {
CspParameters csp = new CspParameters ();
csp.Flags = CspProviderFlags.UseMachineKeyStore;
rsa = new RSACryptoServiceProvider (csp);
rsa.ImportParameters (rsap);
}
catch {
// rethrow original, not the later, exception if this fails
throw ce;
}
}
#endif
return rsa;
}
static public DSA FromCapiPrivateKeyBlobDSA (byte[] blob)
{
return FromCapiPrivateKeyBlobDSA (blob, 0);
}
static public DSA FromCapiPrivateKeyBlobDSA (byte[] blob, int offset)
{
if (blob == null)
throw new ArgumentNullException ("blob");
if (offset >= blob.Length)
throw new ArgumentException ("blob is too small.");
DSAParameters dsap = new DSAParameters ();
try {
if ((blob [offset] != 0x07) || // PRIVATEKEYBLOB (0x07)
(blob [offset + 1] != 0x02) || // Version (0x02)
(blob [offset + 2] != 0x00) || // Reserved (word)
(blob [offset + 3] != 0x00) ||
(ToUInt32LE (blob, offset + 8) != 0x32535344)) // DWORD magic
throw new CryptographicException ("Invalid blob header");
int bitlen = ToInt32LE (blob, offset + 12);
int bytelen = bitlen >> 3;
int pos = offset + 16;
dsap.P = new byte [bytelen];
Buffer.BlockCopy (blob, pos, dsap.P, 0, bytelen);
Array.Reverse (dsap.P);
pos += bytelen;
dsap.Q = new byte [20];
Buffer.BlockCopy (blob, pos, dsap.Q, 0, 20);
Array.Reverse (dsap.Q);
pos += 20;
dsap.G = new byte [bytelen];
Buffer.BlockCopy (blob, pos, dsap.G, 0, bytelen);
Array.Reverse (dsap.G);
pos += bytelen;
dsap.X = new byte [20];
Buffer.BlockCopy (blob, pos, dsap.X, 0, 20);
Array.Reverse (dsap.X);
pos += 20;
dsap.Counter = ToInt32LE (blob, pos);
pos += 4;
dsap.Seed = new byte [20];
Buffer.BlockCopy (blob, pos, dsap.Seed, 0, 20);
Array.Reverse (dsap.Seed);
pos += 20;
}
catch (Exception e) {
throw new CryptographicException ("Invalid blob.", e);
}
#if INSIDE_CORLIB && MOBILE
DSA dsa = (DSA)DSA.Create ();
dsa.ImportParameters (dsap);
#else
DSA dsa = null;
try {
dsa = (DSA)DSA.Create ();
dsa.ImportParameters (dsap);
}
catch (CryptographicException ce) {
// this may cause problem when this code is run under
// the SYSTEM identity on Windows (e.g. ASP.NET). See
// http://bugzilla.ximian.com/show_bug.cgi?id=77559
try {
CspParameters csp = new CspParameters ();
csp.Flags = CspProviderFlags.UseMachineKeyStore;
dsa = new DSACryptoServiceProvider (csp);
dsa.ImportParameters (dsap);
}
catch {
// rethrow original, not the later, exception if this fails
throw ce;
}
}
#endif
return dsa;
}
static public byte[] ToCapiPrivateKeyBlob (RSA rsa)
{
RSAParameters p = rsa.ExportParameters (true);
int keyLength = p.Modulus.Length; // in bytes
byte[] blob = new byte [20 + (keyLength << 2) + (keyLength >> 1)];
blob [0] = 0x07; // Type - PRIVATEKEYBLOB (0x07)
blob [1] = 0x02; // Version - Always CUR_BLOB_VERSION (0x02)
// [2], [3] // RESERVED - Always 0
blob [5] = 0x24; // ALGID - Always 00 24 00 00 (for CALG_RSA_SIGN)
blob [8] = 0x52; // Magic - RSA2 (ASCII in hex)
blob [9] = 0x53;
blob [10] = 0x41;
blob [11] = 0x32;
byte[] bitlen = GetBytesLE (keyLength << 3);
blob [12] = bitlen [0]; // bitlen
blob [13] = bitlen [1];
blob [14] = bitlen [2];
blob [15] = bitlen [3];
// public exponent (DWORD)
int pos = 16;
int n = p.Exponent.Length;
while (n > 0)
blob [pos++] = p.Exponent [--n];
// modulus
pos = 20;
byte[] part = p.Modulus;
int len = part.Length;
Array.Reverse (part, 0, len);
Buffer.BlockCopy (part, 0, blob, pos, len);
pos += len;
// private key
part = p.P;
len = part.Length;
Array.Reverse (part, 0, len);
Buffer.BlockCopy (part, 0, blob, pos, len);
pos += len;
part = p.Q;
len = part.Length;
Array.Reverse (part, 0, len);
Buffer.BlockCopy (part, 0, blob, pos, len);
pos += len;
part = p.DP;
len = part.Length;
Array.Reverse (part, 0, len);
Buffer.BlockCopy (part, 0, blob, pos, len);
pos += len;
part = p.DQ;
len = part.Length;
Array.Reverse (part, 0, len);
Buffer.BlockCopy (part, 0, blob, pos, len);
pos += len;
part = p.InverseQ;
len = part.Length;
Array.Reverse (part, 0, len);
Buffer.BlockCopy (part, 0, blob, pos, len);
pos += len;
part = p.D;
len = part.Length;
Array.Reverse (part, 0, len);
Buffer.BlockCopy (part, 0, blob, pos, len);
return blob;
}
static public byte[] ToCapiPrivateKeyBlob (DSA dsa)
{
DSAParameters p = dsa.ExportParameters (true);
int keyLength = p.P.Length; // in bytes
// header + P + Q + G + X + count + seed
byte[] blob = new byte [16 + keyLength + 20 + keyLength + 20 + 4 + 20];
blob [0] = 0x07; // Type - PRIVATEKEYBLOB (0x07)
blob [1] = 0x02; // Version - Always CUR_BLOB_VERSION (0x02)
// [2], [3] // RESERVED - Always 0
blob [5] = 0x22; // ALGID
blob [8] = 0x44; // Magic
blob [9] = 0x53;
blob [10] = 0x53;
blob [11] = 0x32;
byte[] bitlen = GetBytesLE (keyLength << 3);
blob [12] = bitlen [0];
blob [13] = bitlen [1];
blob [14] = bitlen [2];
blob [15] = bitlen [3];
int pos = 16;
byte[] part = p.P;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, keyLength);
pos += keyLength;
part = p.Q;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, 20);
pos += 20;
part = p.G;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, keyLength);
pos += keyLength;
part = p.X;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, 20);
pos += 20;
Buffer.BlockCopy (GetBytesLE (p.Counter), 0, blob, pos, 4);
pos += 4;
part = p.Seed;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, 20);
return blob;
}
static public RSA FromCapiPublicKeyBlob (byte[] blob)
{
return FromCapiPublicKeyBlob (blob, 0);
}
static public RSA FromCapiPublicKeyBlob (byte[] blob, int offset)
{
if (blob == null)
throw new ArgumentNullException ("blob");
if (offset >= blob.Length)
throw new ArgumentException ("blob is too small.");
try {
if ((blob [offset] != 0x06) || // PUBLICKEYBLOB (0x06)
(blob [offset+1] != 0x02) || // Version (0x02)
(blob [offset+2] != 0x00) || // Reserved (word)
(blob [offset+3] != 0x00) ||
(ToUInt32LE (blob, offset+8) != 0x31415352)) // DWORD magic = RSA1
throw new CryptographicException ("Invalid blob header");
// ALGID (CALG_RSA_SIGN, CALG_RSA_KEYX, ...)
// int algId = ToInt32LE (blob, offset+4);
// DWORD bitlen
int bitLen = ToInt32LE (blob, offset+12);
// DWORD public exponent
RSAParameters rsap = new RSAParameters ();
rsap.Exponent = new byte [3];
rsap.Exponent [0] = blob [offset+18];
rsap.Exponent [1] = blob [offset+17];
rsap.Exponent [2] = blob [offset+16];
int pos = offset+20;
// BYTE modulus[rsapubkey.bitlen/8];
int byteLen = (bitLen >> 3);
rsap.Modulus = new byte [byteLen];
Buffer.BlockCopy (blob, pos, rsap.Modulus, 0, byteLen);
Array.Reverse (rsap.Modulus);
#if INSIDE_CORLIB && MOBILE
RSA rsa = RSA.Create ();
rsa.ImportParameters (rsap);
#else
RSA rsa = null;
try {
rsa = RSA.Create ();
rsa.ImportParameters (rsap);
}
catch (CryptographicException) {
// this may cause problem when this code is run under
// the SYSTEM identity on Windows (e.g. ASP.NET). See
// http://bugzilla.ximian.com/show_bug.cgi?id=77559
CspParameters csp = new CspParameters ();
csp.Flags = CspProviderFlags.UseMachineKeyStore;
rsa = new RSACryptoServiceProvider (csp);
rsa.ImportParameters (rsap);
}
#endif
return rsa;
}
catch (Exception e) {
throw new CryptographicException ("Invalid blob.", e);
}
}
static public DSA FromCapiPublicKeyBlobDSA (byte[] blob)
{
return FromCapiPublicKeyBlobDSA (blob, 0);
}
static public DSA FromCapiPublicKeyBlobDSA (byte[] blob, int offset)
{
if (blob == null)
throw new ArgumentNullException ("blob");
if (offset >= blob.Length)
throw new ArgumentException ("blob is too small.");
try {
if ((blob [offset] != 0x06) || // PUBLICKEYBLOB (0x06)
(blob [offset + 1] != 0x02) || // Version (0x02)
(blob [offset + 2] != 0x00) || // Reserved (word)
(blob [offset + 3] != 0x00) ||
(ToUInt32LE (blob, offset + 8) != 0x31535344)) // DWORD magic
throw new CryptographicException ("Invalid blob header");
int bitlen = ToInt32LE (blob, offset + 12);
DSAParameters dsap = new DSAParameters ();
int bytelen = bitlen >> 3;
int pos = offset + 16;
dsap.P = new byte [bytelen];
Buffer.BlockCopy (blob, pos, dsap.P, 0, bytelen);
Array.Reverse (dsap.P);
pos += bytelen;
dsap.Q = new byte [20];
Buffer.BlockCopy (blob, pos, dsap.Q, 0, 20);
Array.Reverse (dsap.Q);
pos += 20;
dsap.G = new byte [bytelen];
Buffer.BlockCopy (blob, pos, dsap.G, 0, bytelen);
Array.Reverse (dsap.G);
pos += bytelen;
dsap.Y = new byte [bytelen];
Buffer.BlockCopy (blob, pos, dsap.Y, 0, bytelen);
Array.Reverse (dsap.Y);
pos += bytelen;
dsap.Counter = ToInt32LE (blob, pos);
pos += 4;
dsap.Seed = new byte [20];
Buffer.BlockCopy (blob, pos, dsap.Seed, 0, 20);
Array.Reverse (dsap.Seed);
pos += 20;
DSA dsa = (DSA)DSA.Create ();
dsa.ImportParameters (dsap);
return dsa;
}
catch (Exception e) {
throw new CryptographicException ("Invalid blob.", e);
}
}
static public byte[] ToCapiPublicKeyBlob (RSA rsa)
{
RSAParameters p = rsa.ExportParameters (false);
int keyLength = p.Modulus.Length; // in bytes
byte[] blob = new byte [20 + keyLength];
blob [0] = 0x06; // Type - PUBLICKEYBLOB (0x06)
blob [1] = 0x02; // Version - Always CUR_BLOB_VERSION (0x02)
// [2], [3] // RESERVED - Always 0
blob [5] = 0x24; // ALGID - Always 00 24 00 00 (for CALG_RSA_SIGN)
blob [8] = 0x52; // Magic - RSA1 (ASCII in hex)
blob [9] = 0x53;
blob [10] = 0x41;
blob [11] = 0x31;
byte[] bitlen = GetBytesLE (keyLength << 3);
blob [12] = bitlen [0]; // bitlen
blob [13] = bitlen [1];
blob [14] = bitlen [2];
blob [15] = bitlen [3];
// public exponent (DWORD)
int pos = 16;
int n = p.Exponent.Length;
while (n > 0)
blob [pos++] = p.Exponent [--n];
// modulus
pos = 20;
byte[] part = p.Modulus;
int len = part.Length;
Array.Reverse (part, 0, len);
Buffer.BlockCopy (part, 0, blob, pos, len);
pos += len;
return blob;
}
static public byte[] ToCapiPublicKeyBlob (DSA dsa)
{
DSAParameters p = dsa.ExportParameters (false);
int keyLength = p.P.Length; // in bytes
// header + P + Q + G + Y + count + seed
byte[] blob = new byte [16 + keyLength + 20 + keyLength + keyLength + 4 + 20];
blob [0] = 0x06; // Type - PUBLICKEYBLOB (0x06)
blob [1] = 0x02; // Version - Always CUR_BLOB_VERSION (0x02)
// [2], [3] // RESERVED - Always 0
blob [5] = 0x22; // ALGID
blob [8] = 0x44; // Magic
blob [9] = 0x53;
blob [10] = 0x53;
blob [11] = 0x31;
byte[] bitlen = GetBytesLE (keyLength << 3);
blob [12] = bitlen [0];
blob [13] = bitlen [1];
blob [14] = bitlen [2];
blob [15] = bitlen [3];
int pos = 16;
byte[] part;
part = p.P;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, keyLength);
pos += keyLength;
part = p.Q;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, 20);
pos += 20;
part = p.G;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, keyLength);
pos += keyLength;
part = p.Y;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, keyLength);
pos += keyLength;
Buffer.BlockCopy (GetBytesLE (p.Counter), 0, blob, pos, 4);
pos += 4;
part = p.Seed;
Array.Reverse (part);
Buffer.BlockCopy (part, 0, blob, pos, 20);
return blob;
}
// PRIVATEKEYBLOB
// PUBLICKEYBLOB
static public RSA FromCapiKeyBlob (byte[] blob)
{
return FromCapiKeyBlob (blob, 0);
}
static public RSA FromCapiKeyBlob (byte[] blob, int offset)
{
if (blob == null)
throw new ArgumentNullException ("blob");
if (offset >= blob.Length)
throw new ArgumentException ("blob is too small.");
switch (blob [offset]) {
case 0x00:
// this could be a public key inside an header
// like "sn -e" would produce
if (blob [offset + 12] == 0x06) {
return FromCapiPublicKeyBlob (blob, offset + 12);
}
break;
case 0x06:
return FromCapiPublicKeyBlob (blob, offset);
case 0x07:
return FromCapiPrivateKeyBlob (blob, offset);
}
throw new CryptographicException ("Unknown blob format.");
}
static public DSA FromCapiKeyBlobDSA (byte[] blob)
{
return FromCapiKeyBlobDSA (blob, 0);
}
static public DSA FromCapiKeyBlobDSA (byte[] blob, int offset)
{
if (blob == null)
throw new ArgumentNullException ("blob");
if (offset >= blob.Length)
throw new ArgumentException ("blob is too small.");
switch (blob [offset]) {
case 0x06:
return FromCapiPublicKeyBlobDSA (blob, offset);
case 0x07:
return FromCapiPrivateKeyBlobDSA (blob, offset);
}
throw new CryptographicException ("Unknown blob format.");
}
static public byte[] ToCapiKeyBlob (AsymmetricAlgorithm keypair, bool includePrivateKey)
{
if (keypair == null)
throw new ArgumentNullException ("keypair");
// check between RSA and DSA (and potentially others like DH)
if (keypair is RSA)
return ToCapiKeyBlob ((RSA)keypair, includePrivateKey);
else if (keypair is DSA)
return ToCapiKeyBlob ((DSA)keypair, includePrivateKey);
else
return null; // TODO
}
static public byte[] ToCapiKeyBlob (RSA rsa, bool includePrivateKey)
{
if (rsa == null)
throw new ArgumentNullException ("rsa");
if (includePrivateKey)
return ToCapiPrivateKeyBlob (rsa);
else
return ToCapiPublicKeyBlob (rsa);
}
static public byte[] ToCapiKeyBlob (DSA dsa, bool includePrivateKey)
{
if (dsa == null)
throw new ArgumentNullException ("dsa");
if (includePrivateKey)
return ToCapiPrivateKeyBlob (dsa);
else
return ToCapiPublicKeyBlob (dsa);
}
static public string ToHex (byte[] input)
{
if (input == null)
return null;
StringBuilder sb = new StringBuilder (input.Length * 2);
foreach (byte b in input) {
sb.Append (b.ToString ("X2", CultureInfo.InvariantCulture));
}
return sb.ToString ();
}
static private byte FromHexChar (char c)
{
if ((c >= 'a') && (c <= 'f'))
return (byte) (c - 'a' + 10);
if ((c >= 'A') && (c <= 'F'))
return (byte) (c - 'A' + 10);
if ((c >= '0') && (c <= '9'))
return (byte) (c - '0');
throw new ArgumentException ("invalid hex char");
}
static public byte[] FromHex (string hex)
{
if (hex == null)
return null;
if ((hex.Length & 0x1) == 0x1)
throw new ArgumentException ("Length must be a multiple of 2");
byte[] result = new byte [hex.Length >> 1];
int n = 0;
int i = 0;
while (n < result.Length) {
result [n] = (byte) (FromHexChar (hex [i++]) << 4);
result [n++] += FromHexChar (hex [i++]);
}
return result;
}
}
}

495
MediaBrowser.Server.Mono/Security/PKCS1.cs
Unescape View File

@ -0,0 +1,495 @@
//
// PKCS1.cs - Implements PKCS#1 primitives.
//
// Author:
// Sebastien Pouliot <sebastien@xamarin.com>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
// Copyright 2013 Xamarin Inc. (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Security.Cryptography;
namespace Mono.Security.Cryptography {
// References:
// a. PKCS#1: RSA Cryptography Standard
// http://www.rsasecurity.com/rsalabs/pkcs/pkcs-1/index.html
#if INSIDE_CORLIB
internal
#else
public
#endif
sealed class PKCS1 {
private PKCS1 ()
{
}
private static bool Compare (byte[] array1, byte[] array2)
{
bool result = (array1.Length == array2.Length);
if (result) {
for (int i=0; i < array1.Length; i++)
if (array1[i] != array2[i])
return false;
}
return result;
}
private static byte[] xor (byte[] array1, byte[] array2)
{
byte[] result = new byte [array1.Length];
for (int i=0; i < result.Length; i++)
result[i] = (byte) (array1[i] ^ array2[i]);
return result;
}
private static byte[] emptySHA1 = { 0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90, 0xaf, 0xd8, 0x07, 0x09 };
private static byte[] emptySHA256 = { 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55 };
private static byte[] emptySHA384 = { 0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38, 0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a, 0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43, 0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda, 0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb, 0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b };
private static byte[] emptySHA512 = { 0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd, 0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07, 0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc, 0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c, 0xe9, 0xce, 0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0, 0xff, 0x83, 0x18, 0xd2, 0x87, 0x7e, 0xec, 0x2f, 0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81, 0xa5, 0x38, 0x32, 0x7a, 0xf9, 0x27, 0xda, 0x3e };
private static byte[] GetEmptyHash (HashAlgorithm hash)
{
if (hash is SHA1)
return emptySHA1;
else if (hash is SHA256)
return emptySHA256;
else if (hash is SHA384)
return emptySHA384;
else if (hash is SHA512)
return emptySHA512;
else
return hash.ComputeHash ((byte[])null);
}
// PKCS #1 v.2.1, Section 4.1
// I2OSP converts a non-negative integer to an octet string of a specified length.
public static byte[] I2OSP (int x, int size)
{
byte[] array = BitConverterLE.GetBytes (x);
Array.Reverse (array, 0, array.Length);
return I2OSP (array, size);
}
public static byte[] I2OSP (byte[] x, int size)
{
byte[] result = new byte [size];
Buffer.BlockCopy (x, 0, result, (result.Length - x.Length), x.Length);
return result;
}
// PKCS #1 v.2.1, Section 4.2
// OS2IP converts an octet string to a nonnegative integer.
public static byte[] OS2IP (byte[] x)
{
int i = 0;
while ((x [i++] == 0x00) && (i < x.Length)) {
// confuse compiler into reporting a warning with {}
}
i--;
if (i > 0) {
byte[] result = new byte [x.Length - i];
Buffer.BlockCopy (x, i, result, 0, result.Length);
return result;
}
else
return x;
}
// PKCS #1 v.2.1, Section 5.1.1
public static byte[] RSAEP (RSA rsa, byte[] m)
{
// c = m^e mod n
return rsa.EncryptValue (m);
}
// PKCS #1 v.2.1, Section 5.1.2
public static byte[] RSADP (RSA rsa, byte[] c)
{
// m = c^d mod n
// Decrypt value may apply CRT optimizations
return rsa.DecryptValue (c);
}
// PKCS #1 v.2.1, Section 5.2.1
public static byte[] RSASP1 (RSA rsa, byte[] m)
{
// first form: s = m^d mod n
// Decrypt value may apply CRT optimizations
return rsa.DecryptValue (m);
}
// PKCS #1 v.2.1, Section 5.2.2
public static byte[] RSAVP1 (RSA rsa, byte[] s)
{
// m = s^e mod n
return rsa.EncryptValue (s);
}
// PKCS #1 v.2.1, Section 7.1.1
// RSAES-OAEP-ENCRYPT ((n, e), M, L)
public static byte[] Encrypt_OAEP (RSA rsa, HashAlgorithm hash, RandomNumberGenerator rng, byte[] M)
{
int size = rsa.KeySize / 8;
int hLen = hash.HashSize / 8;
if (M.Length > size - 2 * hLen - 2)
throw new CryptographicException ("message too long");
// empty label L SHA1 hash
byte[] lHash = GetEmptyHash (hash);
int PSLength = (size - M.Length - 2 * hLen - 2);
// DB = lHash || PS || 0x01 || M
byte[] DB = new byte [lHash.Length + PSLength + 1 + M.Length];
Buffer.BlockCopy (lHash, 0, DB, 0, lHash.Length);
DB [(lHash.Length + PSLength)] = 0x01;
Buffer.BlockCopy (M, 0, DB, (DB.Length - M.Length), M.Length);
byte[] seed = new byte [hLen];
rng.GetBytes (seed);
byte[] dbMask = MGF1 (hash, seed, size - hLen - 1);
byte[] maskedDB = xor (DB, dbMask);
byte[] seedMask = MGF1 (hash, maskedDB, hLen);
byte[] maskedSeed = xor (seed, seedMask);
// EM = 0x00 || maskedSeed || maskedDB
byte[] EM = new byte [maskedSeed.Length + maskedDB.Length + 1];
Buffer.BlockCopy (maskedSeed, 0, EM, 1, maskedSeed.Length);
Buffer.BlockCopy (maskedDB, 0, EM, maskedSeed.Length + 1, maskedDB.Length);
byte[] m = OS2IP (EM);
byte[] c = RSAEP (rsa, m);
return I2OSP (c, size);
}
// PKCS #1 v.2.1, Section 7.1.2
// RSAES-OAEP-DECRYPT (K, C, L)
public static byte[] Decrypt_OAEP (RSA rsa, HashAlgorithm hash, byte[] C)
{
int size = rsa.KeySize / 8;
int hLen = hash.HashSize / 8;
if ((size < (2 * hLen + 2)) || (C.Length != size))
throw new CryptographicException ("decryption error");
byte[] c = OS2IP (C);
byte[] m = RSADP (rsa, c);
byte[] EM = I2OSP (m, size);
// split EM = Y || maskedSeed || maskedDB
byte[] maskedSeed = new byte [hLen];
Buffer.BlockCopy (EM, 1, maskedSeed, 0, maskedSeed.Length);
byte[] maskedDB = new byte [size - hLen - 1];
Buffer.BlockCopy (EM, (EM.Length - maskedDB.Length), maskedDB, 0, maskedDB.Length);
byte[] seedMask = MGF1 (hash, maskedDB, hLen);
byte[] seed = xor (maskedSeed, seedMask);
byte[] dbMask = MGF1 (hash, seed, size - hLen - 1);
byte[] DB = xor (maskedDB, dbMask);
byte[] lHash = GetEmptyHash (hash);
// split DB = lHash' || PS || 0x01 || M
byte[] dbHash = new byte [lHash.Length];
Buffer.BlockCopy (DB, 0, dbHash, 0, dbHash.Length);
bool h = Compare (lHash, dbHash);
// find separator 0x01
int nPos = lHash.Length;
while (DB[nPos] == 0)
nPos++;
int Msize = DB.Length - nPos - 1;
byte[] M = new byte [Msize];
Buffer.BlockCopy (DB, (nPos + 1), M, 0, Msize);
// we could have returned EM[0] sooner but would be helping a timing attack
if ((EM[0] != 0) || (!h) || (DB[nPos] != 0x01))
return null;
return M;
}
// PKCS #1 v.2.1, Section 7.2.1
// RSAES-PKCS1-V1_5-ENCRYPT ((n, e), M)
public static byte[] Encrypt_v15 (RSA rsa, RandomNumberGenerator rng, byte[] M)
{
int size = rsa.KeySize / 8;
if (M.Length > size - 11)
throw new CryptographicException ("message too long");
int PSLength = System.Math.Max (8, (size - M.Length - 3));
byte[] PS = new byte [PSLength];
rng.GetNonZeroBytes (PS);
byte[] EM = new byte [size];
EM [1] = 0x02;
Buffer.BlockCopy (PS, 0, EM, 2, PSLength);
Buffer.BlockCopy (M, 0, EM, (size - M.Length), M.Length);
byte[] m = OS2IP (EM);
byte[] c = RSAEP (rsa, m);
byte[] C = I2OSP (c, size);
return C;
}
// PKCS #1 v.2.1, Section 7.2.2
// RSAES-PKCS1-V1_5-DECRYPT (K, C)
public static byte[] Decrypt_v15 (RSA rsa, byte[] C)
{
int size = rsa.KeySize >> 3; // div by 8
if ((size < 11) || (C.Length > size))
throw new CryptographicException ("decryption error");
byte[] c = OS2IP (C);
byte[] m = RSADP (rsa, c);
byte[] EM = I2OSP (m, size);
if ((EM [0] != 0x00) || (EM [1] != 0x02))
return null;
int mPos = 10;
// PS is a minimum of 8 bytes + 2 bytes for header
while ((EM [mPos] != 0x00) && (mPos < EM.Length))
mPos++;
if (EM [mPos] != 0x00)
return null;
mPos++;
byte[] M = new byte [EM.Length - mPos];
Buffer.BlockCopy (EM, mPos, M, 0, M.Length);
return M;
}
// PKCS #1 v.2.1, Section 8.2.1
// RSASSA-PKCS1-V1_5-SIGN (K, M)
public static byte[] Sign_v15 (RSA rsa, HashAlgorithm hash, byte[] hashValue)
{
int size = (rsa.KeySize >> 3); // div 8
byte[] EM = Encode_v15 (hash, hashValue, size);
byte[] m = OS2IP (EM);
byte[] s = RSASP1 (rsa, m);
byte[] S = I2OSP (s, size);
return S;
}
internal static byte[] Sign_v15 (RSA rsa, string hashName, byte[] hashValue)
{
using (var hash = CreateFromName (hashName))
return Sign_v15 (rsa, hash, hashValue);
}
// PKCS #1 v.2.1, Section 8.2.2
// RSASSA-PKCS1-V1_5-VERIFY ((n, e), M, S)
public static bool Verify_v15 (RSA rsa, HashAlgorithm hash, byte[] hashValue, byte[] signature)
{
return Verify_v15 (rsa, hash, hashValue, signature, false);
}
internal static bool Verify_v15 (RSA rsa, string hashName, byte[] hashValue, byte[] signature)
{
using (var hash = CreateFromName (hashName))
return Verify_v15 (rsa, hash, hashValue, signature, false);
}
// DO NOT USE WITHOUT A VERY GOOD REASON
public static bool Verify_v15 (RSA rsa, HashAlgorithm hash, byte [] hashValue, byte [] signature, bool tryNonStandardEncoding)
{
int size = (rsa.KeySize >> 3); // div 8
byte[] s = OS2IP (signature);
byte[] m = RSAVP1 (rsa, s);
byte[] EM2 = I2OSP (m, size);
byte[] EM = Encode_v15 (hash, hashValue, size);
bool result = Compare (EM, EM2);
if (result || !tryNonStandardEncoding)
return result;
// NOTE: some signatures don't include the hash OID (pretty lame but real)
// and compatible with MS implementation. E.g. Verisign Authenticode Timestamps
// we're making this "as safe as possible"
if ((EM2 [0] != 0x00) || (EM2 [1] != 0x01))
return false;
int i;
for (i = 2; i < EM2.Length - hashValue.Length - 1; i++) {
if (EM2 [i] != 0xFF)
return false;
}
if (EM2 [i++] != 0x00)
return false;
byte [] decryptedHash = new byte [hashValue.Length];
Buffer.BlockCopy (EM2, i, decryptedHash, 0, decryptedHash.Length);
return Compare (decryptedHash, hashValue);
}
// PKCS #1 v.2.1, Section 9.2
// EMSA-PKCS1-v1_5-Encode
public static byte[] Encode_v15 (HashAlgorithm hash, byte[] hashValue, int emLength)
{
if (hashValue.Length != (hash.HashSize >> 3))
throw new CryptographicException ("bad hash length for " + hash.ToString ());
// DigestInfo ::= SEQUENCE {
// digestAlgorithm AlgorithmIdentifier,
// digest OCTET STRING
// }
byte[] t = null;
string oid = CryptoConfig.MapNameToOID (hash.ToString ());
if (oid != null)
{
ASN1 digestAlgorithm = new ASN1 (0x30);
digestAlgorithm.Add (new ASN1 (CryptoConfig.EncodeOID (oid)));
digestAlgorithm.Add (new ASN1 (0x05)); // NULL
ASN1 digest = new ASN1 (0x04, hashValue);
ASN1 digestInfo = new ASN1 (0x30);
digestInfo.Add (digestAlgorithm);
digestInfo.Add (digest);
t = digestInfo.GetBytes ();
}
else
{
// There are no valid OID, in this case t = hashValue
// This is the case of the MD5SHA hash algorithm
t = hashValue;
}
Buffer.BlockCopy (hashValue, 0, t, t.Length - hashValue.Length, hashValue.Length);
int PSLength = System.Math.Max (8, emLength - t.Length - 3);
// PS = PSLength of 0xff
// EM = 0x00 | 0x01 | PS | 0x00 | T
byte[] EM = new byte [PSLength + t.Length + 3];
EM [1] = 0x01;
for (int i=2; i < PSLength + 2; i++)
EM[i] = 0xff;
Buffer.BlockCopy (t, 0, EM, PSLength + 3, t.Length);
return EM;
}
// PKCS #1 v.2.1, Section B.2.1
public static byte[] MGF1 (HashAlgorithm hash, byte[] mgfSeed, int maskLen)
{
// 1. If maskLen > 2^32 hLen, output "mask too long" and stop.
// easy - this is impossible by using a int (31bits) as parameter ;-)
// BUT with a signed int we do have to check for negative values!
if (maskLen < 0)
throw new OverflowException();
int mgfSeedLength = mgfSeed.Length;
int hLen = (hash.HashSize >> 3); // from bits to bytes
int iterations = (maskLen / hLen);
if (maskLen % hLen != 0)
iterations++;
// 2. Let T be the empty octet string.
byte[] T = new byte [iterations * hLen];
byte[] toBeHashed = new byte [mgfSeedLength + 4];
int pos = 0;
// 3. For counter from 0 to \ceil (maskLen / hLen) - 1, do the following:
for (int counter = 0; counter < iterations; counter++) {
// a. Convert counter to an octet string C of length 4 octets
byte[] C = I2OSP (counter, 4);
// b. Concatenate the hash of the seed mgfSeed and C to the octet string T:
// T = T || Hash (mgfSeed || C)
Buffer.BlockCopy (mgfSeed, 0, toBeHashed, 0, mgfSeedLength);
Buffer.BlockCopy (C, 0, toBeHashed, mgfSeedLength, 4);
byte[] output = hash.ComputeHash (toBeHashed);
Buffer.BlockCopy (output, 0, T, pos, hLen);
pos += hLen;
}
// 4. Output the leading maskLen octets of T as the octet string mask.
byte[] mask = new byte [maskLen];
Buffer.BlockCopy (T, 0, mask, 0, maskLen);
return mask;
}
static internal string HashNameFromOid (string oid, bool throwOnError = true)
{
switch (oid) {
case "1.2.840.113549.1.1.2": // MD2 with RSA encryption
return "MD2";
case "1.2.840.113549.1.1.3": // MD4 with RSA encryption
return "MD4";
case "1.2.840.113549.1.1.4": // MD5 with RSA encryption
return "MD5";
case "1.2.840.113549.1.1.5": // SHA-1 with RSA Encryption
case "1.3.14.3.2.29": // SHA1 with RSA signature
case "1.2.840.10040.4.3": // SHA1-1 with DSA
return "SHA1";
case "1.2.840.113549.1.1.11": // SHA-256 with RSA Encryption
return "SHA256";
case "1.2.840.113549.1.1.12": // SHA-384 with RSA Encryption
return "SHA384";
case "1.2.840.113549.1.1.13": // SHA-512 with RSA Encryption
return "SHA512";
case "1.3.36.3.3.1.2":
return "RIPEMD160";
default:
if (throwOnError)
throw new CryptographicException ("Unsupported hash algorithm: " + oid);
return null;
}
}
static internal HashAlgorithm CreateFromOid (string oid)
{
return CreateFromName (HashNameFromOid (oid));
}
static internal HashAlgorithm CreateFromName (string name)
{
#if FULL_AOT_RUNTIME
switch (name) {
case "MD2":
return MD2.Create ();
case "MD4":
return MD4.Create ();
case "MD5":
return MD5.Create ();
case "SHA1":
return SHA1.Create ();
case "SHA256":
return SHA256.Create ();
case "SHA384":
return SHA384.Create ();
case "SHA512":
return SHA512.Create ();
case "RIPEMD160":
return RIPEMD160.Create ();
default:
try {
return (HashAlgorithm) Activator.CreateInstance (Type.GetType (name));
}
catch {
throw new CryptographicException ("Unsupported hash algorithm: " + name);
}
}
#else
return HashAlgorithm.Create (name);
#endif
}
}
}

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//
// PKCS8.cs: PKCS #8 - Private-Key Information Syntax Standard
// ftp://ftp.rsasecurity.com/pub/pkcs/doc/pkcs-8.doc
//
// Author:
// Sebastien Pouliot <sebastien@xamarin.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2006 Novell Inc. (http://www.novell.com)
// Copyright 2013 Xamarin Inc. (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Security.Cryptography;
using Mono.Security.X509;
namespace Mono.Security.Cryptography {
#if !INSIDE_CORLIB
public
#endif
sealed class PKCS8 {
public enum KeyInfo {
PrivateKey,
EncryptedPrivateKey,
Unknown
}
private PKCS8 ()
{
}
static public KeyInfo GetType (byte[] data)
{
if (data == null)
throw new ArgumentNullException ("data");
KeyInfo ki = KeyInfo.Unknown;
try {
ASN1 top = new ASN1 (data);
if ((top.Tag == 0x30) && (top.Count > 0)) {
ASN1 firstLevel = top [0];
switch (firstLevel.Tag) {
case 0x02:
ki = KeyInfo.PrivateKey;
break;
case 0x30:
ki = KeyInfo.EncryptedPrivateKey;
break;
}
}
}
catch {
throw new CryptographicException ("invalid ASN.1 data");
}
return ki;
}
/*
* PrivateKeyInfo ::= SEQUENCE {
* version Version,
* privateKeyAlgorithm PrivateKeyAlgorithmIdentifier,
* privateKey PrivateKey,
* attributes [0] IMPLICIT Attributes OPTIONAL
* }
*
* Version ::= INTEGER
*
* PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier
*
* PrivateKey ::= OCTET STRING
*
* Attributes ::= SET OF Attribute
*/
public class PrivateKeyInfo {
private int _version;
private string _algorithm;
private byte[] _key;
private ArrayList _list;
public PrivateKeyInfo ()
{
_version = 0;
_list = new ArrayList ();
}
public PrivateKeyInfo (byte[] data) : this ()
{
Decode (data);
}
// properties
public string Algorithm {
get { return _algorithm; }
set { _algorithm = value; }
}
public ArrayList Attributes {
get { return _list; }
}
public byte[] PrivateKey {
get {
if (_key == null)
return null;
return (byte[]) _key.Clone ();
}
set {
if (value == null)
throw new ArgumentNullException ("PrivateKey");
_key = (byte[]) value.Clone ();
}
}
public int Version {
get { return _version; }
set {
if (value < 0)
throw new ArgumentOutOfRangeException ("negative version");
_version = value;
}
}
// methods
private void Decode (byte[] data)
{
ASN1 privateKeyInfo = new ASN1 (data);
if (privateKeyInfo.Tag != 0x30)
throw new CryptographicException ("invalid PrivateKeyInfo");
ASN1 version = privateKeyInfo [0];
if (version.Tag != 0x02)
throw new CryptographicException ("invalid version");
_version = version.Value [0];
ASN1 privateKeyAlgorithm = privateKeyInfo [1];
if (privateKeyAlgorithm.Tag != 0x30)
throw new CryptographicException ("invalid algorithm");
ASN1 algorithm = privateKeyAlgorithm [0];
if (algorithm.Tag != 0x06)
throw new CryptographicException ("missing algorithm OID");
_algorithm = ASN1Convert.ToOid (algorithm);
ASN1 privateKey = privateKeyInfo [2];
_key = privateKey.Value;
// attributes [0] IMPLICIT Attributes OPTIONAL
if (privateKeyInfo.Count > 3) {
ASN1 attributes = privateKeyInfo [3];
for (int i=0; i < attributes.Count; i++) {
_list.Add (attributes [i]);
}
}
}
public byte[] GetBytes ()
{
ASN1 privateKeyAlgorithm = new ASN1 (0x30);
privateKeyAlgorithm.Add (ASN1Convert.FromOid (_algorithm));
privateKeyAlgorithm.Add (new ASN1 (0x05)); // ASN.1 NULL
ASN1 pki = new ASN1 (0x30);
pki.Add (new ASN1 (0x02, new byte [1] { (byte) _version }));
pki.Add (privateKeyAlgorithm);
pki.Add (new ASN1 (0x04, _key));
if (_list.Count > 0) {
ASN1 attributes = new ASN1 (0xA0);
foreach (ASN1 attribute in _list) {
attributes.Add (attribute);
}
pki.Add (attributes);
}
return pki.GetBytes ();
}
// static methods
static private byte[] RemoveLeadingZero (byte[] bigInt)
{
int start = 0;
int length = bigInt.Length;
if (bigInt [0] == 0x00) {
start = 1;
length--;
}
byte[] bi = new byte [length];
Buffer.BlockCopy (bigInt, start, bi, 0, length);
return bi;
}
static private byte[] Normalize (byte[] bigInt, int length)
{
if (bigInt.Length == length)
return bigInt;
else if (bigInt.Length > length)
return RemoveLeadingZero (bigInt);
else {
// pad with 0
byte[] bi = new byte [length];
Buffer.BlockCopy (bigInt, 0, bi, (length - bigInt.Length), bigInt.Length);
return bi;
}
}
/*
* RSAPrivateKey ::= SEQUENCE {
* version Version,
* modulus INTEGER, -- n
* publicExponent INTEGER, -- e
* privateExponent INTEGER, -- d
* prime1 INTEGER, -- p
* prime2 INTEGER, -- q
* exponent1 INTEGER, -- d mod (p-1)
* exponent2 INTEGER, -- d mod (q-1)
* coefficient INTEGER, -- (inverse of q) mod p
* otherPrimeInfos OtherPrimeInfos OPTIONAL
* }
*/
static public RSA DecodeRSA (byte[] keypair)
{
ASN1 privateKey = new ASN1 (keypair);
if (privateKey.Tag != 0x30)
throw new CryptographicException ("invalid private key format");
ASN1 version = privateKey [0];
if (version.Tag != 0x02)
throw new CryptographicException ("missing version");
if (privateKey.Count < 9)
throw new CryptographicException ("not enough key parameters");
RSAParameters param = new RSAParameters ();
// note: MUST remove leading 0 - else MS wont import the key
param.Modulus = RemoveLeadingZero (privateKey [1].Value);
int keysize = param.Modulus.Length;
int keysize2 = (keysize >> 1); // half-size
// size must be normalized - else MS wont import the key
param.D = Normalize (privateKey [3].Value, keysize);
param.DP = Normalize (privateKey [6].Value, keysize2);
param.DQ = Normalize (privateKey [7].Value, keysize2);
param.Exponent = RemoveLeadingZero (privateKey [2].Value);
param.InverseQ = Normalize (privateKey [8].Value, keysize2);
param.P = Normalize (privateKey [4].Value, keysize2);
param.Q = Normalize (privateKey [5].Value, keysize2);
RSA rsa = null;
try {
rsa = RSA.Create ();
rsa.ImportParameters (param);
}
catch (CryptographicException) {
#if MONOTOUCH
// there's no machine-wide store available for iOS so we can drop the dependency on
// CspParameters (which drops other things, like XML key persistance, unless used elsewhere)
throw;
#else
// this may cause problem when this code is run under
// the SYSTEM identity on Windows (e.g. ASP.NET). See
// http://bugzilla.ximian.com/show_bug.cgi?id=77559
CspParameters csp = new CspParameters ();
csp.Flags = CspProviderFlags.UseMachineKeyStore;
rsa = new RSACryptoServiceProvider (csp);
rsa.ImportParameters (param);
#endif
}
return rsa;
}
/*
* RSAPrivateKey ::= SEQUENCE {
* version Version,
* modulus INTEGER, -- n
* publicExponent INTEGER, -- e
* privateExponent INTEGER, -- d
* prime1 INTEGER, -- p
* prime2 INTEGER, -- q
* exponent1 INTEGER, -- d mod (p-1)
* exponent2 INTEGER, -- d mod (q-1)
* coefficient INTEGER, -- (inverse of q) mod p
* otherPrimeInfos OtherPrimeInfos OPTIONAL
* }
*/
static public byte[] Encode (RSA rsa)
{
RSAParameters param = rsa.ExportParameters (true);
ASN1 rsaPrivateKey = new ASN1 (0x30);
rsaPrivateKey.Add (new ASN1 (0x02, new byte [1] { 0x00 }));
rsaPrivateKey.Add (ASN1Convert.FromUnsignedBigInteger (param.Modulus));
rsaPrivateKey.Add (ASN1Convert.FromUnsignedBigInteger (param.Exponent));
rsaPrivateKey.Add (ASN1Convert.FromUnsignedBigInteger (param.D));
rsaPrivateKey.Add (ASN1Convert.FromUnsignedBigInteger (param.P));
rsaPrivateKey.Add (ASN1Convert.FromUnsignedBigInteger (param.Q));
rsaPrivateKey.Add (ASN1Convert.FromUnsignedBigInteger (param.DP));
rsaPrivateKey.Add (ASN1Convert.FromUnsignedBigInteger (param.DQ));
rsaPrivateKey.Add (ASN1Convert.FromUnsignedBigInteger (param.InverseQ));
return rsaPrivateKey.GetBytes ();
}
// DSA only encode it's X private key inside an ASN.1 INTEGER (Hint: Tag == 0x02)
// which isn't enough for rebuilding the keypair. The other parameters
// can be found (98% of the time) in the X.509 certificate associated
// with the private key or (2% of the time) the parameters are in it's
// issuer X.509 certificate (not supported in the .NET framework).
static public DSA DecodeDSA (byte[] privateKey, DSAParameters dsaParameters)
{
ASN1 pvk = new ASN1 (privateKey);
if (pvk.Tag != 0x02)
throw new CryptographicException ("invalid private key format");
// X is ALWAYS 20 bytes (no matter if the key length is 512 or 1024 bits)
dsaParameters.X = Normalize (pvk.Value, 20);
DSA dsa = DSA.Create ();
dsa.ImportParameters (dsaParameters);
return dsa;
}
static public byte[] Encode (DSA dsa)
{
DSAParameters param = dsa.ExportParameters (true);
return ASN1Convert.FromUnsignedBigInteger (param.X).GetBytes ();
}
static public byte[] Encode (AsymmetricAlgorithm aa)
{
if (aa is RSA)
return Encode ((RSA)aa);
else if (aa is DSA)
return Encode ((DSA)aa);
else
throw new CryptographicException ("Unknown asymmetric algorithm {0}", aa.ToString ());
}
}
/*
* EncryptedPrivateKeyInfo ::= SEQUENCE {
* encryptionAlgorithm EncryptionAlgorithmIdentifier,
* encryptedData EncryptedData
* }
*
* EncryptionAlgorithmIdentifier ::= AlgorithmIdentifier
*
* EncryptedData ::= OCTET STRING
*
* --
* AlgorithmIdentifier ::= SEQUENCE {
* algorithm OBJECT IDENTIFIER,
* parameters ANY DEFINED BY algorithm OPTIONAL
* }
*
* -- from PKCS#5
* PBEParameter ::= SEQUENCE {
* salt OCTET STRING SIZE(8),
* iterationCount INTEGER
* }
*/
public class EncryptedPrivateKeyInfo {
private string _algorithm;
private byte[] _salt;
private int _iterations;
private byte[] _data;
public EncryptedPrivateKeyInfo () {}
public EncryptedPrivateKeyInfo (byte[] data) : this ()
{
Decode (data);
}
// properties
public string Algorithm {
get { return _algorithm; }
set { _algorithm = value; }
}
public byte[] EncryptedData {
get { return (_data == null) ? null : (byte[]) _data.Clone (); }
set { _data = (value == null) ? null : (byte[]) value.Clone (); }
}
public byte[] Salt {
get {
if (_salt == null) {
RandomNumberGenerator rng = RandomNumberGenerator.Create ();
_salt = new byte [8];
rng.GetBytes (_salt);
}
return (byte[]) _salt.Clone ();
}
set { _salt = (byte[]) value.Clone (); }
}
public int IterationCount {
get { return _iterations; }
set {
if (value < 0)
throw new ArgumentOutOfRangeException ("IterationCount", "Negative");
_iterations = value;
}
}
// methods
private void Decode (byte[] data)
{
ASN1 encryptedPrivateKeyInfo = new ASN1 (data);
if (encryptedPrivateKeyInfo.Tag != 0x30)
throw new CryptographicException ("invalid EncryptedPrivateKeyInfo");
ASN1 encryptionAlgorithm = encryptedPrivateKeyInfo [0];
if (encryptionAlgorithm.Tag != 0x30)
throw new CryptographicException ("invalid encryptionAlgorithm");
ASN1 algorithm = encryptionAlgorithm [0];
if (algorithm.Tag != 0x06)
throw new CryptographicException ("invalid algorithm");
_algorithm = ASN1Convert.ToOid (algorithm);
// parameters ANY DEFINED BY algorithm OPTIONAL
if (encryptionAlgorithm.Count > 1) {
ASN1 parameters = encryptionAlgorithm [1];
if (parameters.Tag != 0x30)
throw new CryptographicException ("invalid parameters");
ASN1 salt = parameters [0];
if (salt.Tag != 0x04)
throw new CryptographicException ("invalid salt");
_salt = salt.Value;
ASN1 iterationCount = parameters [1];
if (iterationCount.Tag != 0x02)
throw new CryptographicException ("invalid iterationCount");
_iterations = ASN1Convert.ToInt32 (iterationCount);
}
ASN1 encryptedData = encryptedPrivateKeyInfo [1];
if (encryptedData.Tag != 0x04)
throw new CryptographicException ("invalid EncryptedData");
_data = encryptedData.Value;
}
// Note: PKCS#8 doesn't define how to generate the key required for encryption
// so you're on your own. Just don't try to copy the big guys too much ;)
// Netscape: http://www.cs.auckland.ac.nz/~pgut001/pubs/netscape.txt
// Microsoft: http://www.cs.auckland.ac.nz/~pgut001/pubs/breakms.txt
public byte[] GetBytes ()
{
if (_algorithm == null)
throw new CryptographicException ("No algorithm OID specified");
ASN1 encryptionAlgorithm = new ASN1 (0x30);
encryptionAlgorithm.Add (ASN1Convert.FromOid (_algorithm));
// parameters ANY DEFINED BY algorithm OPTIONAL
if ((_iterations > 0) || (_salt != null)) {
ASN1 salt = new ASN1 (0x04, _salt);
ASN1 iterations = ASN1Convert.FromInt32 (_iterations);
ASN1 parameters = new ASN1 (0x30);
parameters.Add (salt);
parameters.Add (iterations);
encryptionAlgorithm.Add (parameters);
}
// encapsulates EncryptedData into an OCTET STRING
ASN1 encryptedData = new ASN1 (0x04, _data);
ASN1 encryptedPrivateKeyInfo = new ASN1 (0x30);
encryptedPrivateKeyInfo.Add (encryptionAlgorithm);
encryptedPrivateKeyInfo.Add (encryptedData);
return encryptedPrivateKeyInfo.GetBytes ();
}
}
}
}

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//
// X501Name.cs: X.501 Distinguished Names stuff
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Globalization;
using System.Text;
using Mono.Security;
using Mono.Security.Cryptography;
namespace Mono.Security.X509 {
// References:
// 1. Information technology - Open Systems Interconnection - The Directory: Models
// http://www.itu.int/rec/recommendation.asp?type=items&lang=e&parent=T-REC-X.501-200102-I
// 2. RFC2253: Lightweight Directory Access Protocol (v3): UTF-8 String Representation of Distinguished Names
// http://www.ietf.org/rfc/rfc2253.txt
/*
* Name ::= CHOICE { RDNSequence }
*
* RDNSequence ::= SEQUENCE OF RelativeDistinguishedName
*
* RelativeDistinguishedName ::= SET OF AttributeTypeAndValue
*/
#if INSIDE_CORLIB
internal
#else
public
#endif
sealed class X501 {
static byte[] countryName = { 0x55, 0x04, 0x06 };
static byte[] organizationName = { 0x55, 0x04, 0x0A };
static byte[] organizationalUnitName = { 0x55, 0x04, 0x0B };
static byte[] commonName = { 0x55, 0x04, 0x03 };
static byte[] localityName = { 0x55, 0x04, 0x07 };
static byte[] stateOrProvinceName = { 0x55, 0x04, 0x08 };
static byte[] streetAddress = { 0x55, 0x04, 0x09 };
//static byte[] serialNumber = { 0x55, 0x04, 0x05 };
static byte[] domainComponent = { 0x09, 0x92, 0x26, 0x89, 0x93, 0xF2, 0x2C, 0x64, 0x01, 0x19 };
static byte[] userid = { 0x09, 0x92, 0x26, 0x89, 0x93, 0xF2, 0x2C, 0x64, 0x01, 0x01 };
static byte[] email = { 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09, 0x01 };
static byte[] dnQualifier = { 0x55, 0x04, 0x2E };
static byte[] title = { 0x55, 0x04, 0x0C };
static byte[] surname = { 0x55, 0x04, 0x04 };
static byte[] givenName = { 0x55, 0x04, 0x2A };
static byte[] initial = { 0x55, 0x04, 0x2B };
private X501 ()
{
}
static public string ToString (ASN1 seq)
{
StringBuilder sb = new StringBuilder ();
for (int i = 0; i < seq.Count; i++) {
ASN1 entry = seq [i];
AppendEntry (sb, entry, true);
// separator (not on last iteration)
if (i < seq.Count - 1)
sb.Append (", ");
}
return sb.ToString ();
}
static public string ToString (ASN1 seq, bool reversed, string separator, bool quotes)
{
StringBuilder sb = new StringBuilder ();
if (reversed) {
for (int i = seq.Count - 1; i >= 0; i--) {
ASN1 entry = seq [i];
AppendEntry (sb, entry, quotes);
// separator (not on last iteration)
if (i > 0)
sb.Append (separator);
}
} else {
for (int i = 0; i < seq.Count; i++) {
ASN1 entry = seq [i];
AppendEntry (sb, entry, quotes);
// separator (not on last iteration)
if (i < seq.Count - 1)
sb.Append (separator);
}
}
return sb.ToString ();
}
static private void AppendEntry (StringBuilder sb, ASN1 entry, bool quotes)
{
// multiple entries are valid
for (int k = 0; k < entry.Count; k++) {
ASN1 pair = entry [k];
ASN1 s = pair [1];
if (s == null)
continue;
ASN1 poid = pair [0];
if (poid == null)
continue;
if (poid.CompareValue (countryName))
sb.Append ("C=");
else if (poid.CompareValue (organizationName))
sb.Append ("O=");
else if (poid.CompareValue (organizationalUnitName))
sb.Append ("OU=");
else if (poid.CompareValue (commonName))
sb.Append ("CN=");
else if (poid.CompareValue (localityName))
sb.Append ("L=");
else if (poid.CompareValue (stateOrProvinceName))
sb.Append ("S="); // NOTE: RFC2253 uses ST=
else if (poid.CompareValue (streetAddress))
sb.Append ("STREET=");
else if (poid.CompareValue (domainComponent))
sb.Append ("DC=");
else if (poid.CompareValue (userid))
sb.Append ("UID=");
else if (poid.CompareValue (email))
sb.Append ("E="); // NOTE: Not part of RFC2253
else if (poid.CompareValue (dnQualifier))
sb.Append ("dnQualifier=");
else if (poid.CompareValue (title))
sb.Append ("T=");
else if (poid.CompareValue (surname))
sb.Append ("SN=");
else if (poid.CompareValue (givenName))
sb.Append ("G=");
else if (poid.CompareValue (initial))
sb.Append ("I=");
else {
// unknown OID
sb.Append ("OID."); // NOTE: Not present as RFC2253
sb.Append (ASN1Convert.ToOid (poid));
sb.Append ("=");
}
string sValue = null;
// 16bits or 8bits string ? TODO not complete (+special chars!)
if (s.Tag == 0x1E) {
// BMPSTRING
StringBuilder sb2 = new StringBuilder ();
for (int j = 1; j < s.Value.Length; j += 2)
sb2.Append ((char)s.Value[j]);
sValue = sb2.ToString ();
} else {
if (s.Tag == 0x14)
sValue = Encoding.UTF7.GetString (s.Value);
else
sValue = Encoding.UTF8.GetString (s.Value);
// in some cases we must quote (") the value
// Note: this doesn't seems to conform to RFC2253
char[] specials = { ',', '+', '"', '\\', '<', '>', ';' };
if (quotes) {
if ((sValue.IndexOfAny (specials, 0, sValue.Length) > 0) ||
sValue.StartsWith (" ") || (sValue.EndsWith (" ")))
sValue = "\"" + sValue + "\"";
}
}
sb.Append (sValue);
// separator (not on last iteration)
if (k < entry.Count - 1)
sb.Append (", ");
}
}
static private X520.AttributeTypeAndValue GetAttributeFromOid (string attributeType)
{
string s = attributeType.ToUpper (CultureInfo.InvariantCulture).Trim ();
switch (s) {
case "C":
return new X520.CountryName ();
case "O":
return new X520.OrganizationName ();
case "OU":
return new X520.OrganizationalUnitName ();
case "CN":
return new X520.CommonName ();
case "L":
return new X520.LocalityName ();
case "S": // Microsoft
case "ST": // RFC2253
return new X520.StateOrProvinceName ();
case "E": // NOTE: Not part of RFC2253
return new X520.EmailAddress ();
case "DC": // RFC2247
return new X520.DomainComponent ();
case "UID": // RFC1274
return new X520.UserId ();
case "DNQUALIFIER":
return new X520.DnQualifier ();
case "T":
return new X520.Title ();
case "SN":
return new X520.Surname ();
case "G":
return new X520.GivenName ();
case "I":
return new X520.Initial ();
default:
if (s.StartsWith ("OID.")) {
// MUST support it but it OID may be without it
return new X520.Oid (s.Substring (4));
} else {
if (IsOid (s))
return new X520.Oid (s);
else
return null;
}
}
}
static private bool IsOid (string oid)
{
try {
ASN1 asn = ASN1Convert.FromOid (oid);
return (asn.Tag == 0x06);
}
catch {
return false;
}
}
// no quote processing
static private X520.AttributeTypeAndValue ReadAttribute (string value, ref int pos)
{
while ((value[pos] == ' ') && (pos < value.Length))
pos++;
// get '=' position in substring
int equal = value.IndexOf ('=', pos);
if (equal == -1) {
string msg = ("No attribute found.");
throw new FormatException (msg);
}
string s = value.Substring (pos, equal - pos);
X520.AttributeTypeAndValue atv = GetAttributeFromOid (s);
if (atv == null) {
string msg = ("Unknown attribute '{0}'.");
throw new FormatException (String.Format (msg, s));
}
pos = equal + 1; // skip the '='
return atv;
}
static private bool IsHex (char c)
{
if (Char.IsDigit (c))
return true;
char up = Char.ToUpper (c, CultureInfo.InvariantCulture);
return ((up >= 'A') && (up <= 'F'));
}
static string ReadHex (string value, ref int pos)
{
StringBuilder sb = new StringBuilder ();
// it is (at least an) 8 bits char
sb.Append (value[pos++]);
sb.Append (value[pos]);
// look ahead for a 16 bits char
if ((pos < value.Length - 4) && (value[pos+1] == '\\') && IsHex (value[pos+2])) {
pos += 2; // pass last char and skip \
sb.Append (value[pos++]);
sb.Append (value[pos]);
}
byte[] data = CryptoConvert.FromHex (sb.ToString ());
return Encoding.UTF8.GetString (data);
}
static private int ReadEscaped (StringBuilder sb, string value, int pos)
{
switch (value[pos]) {
case '\\':
case '"':
case '=':
case ';':
case '<':
case '>':
case '+':
case '#':
case ',':
sb.Append (value[pos]);
return pos;
default:
if (pos >= value.Length - 2) {
string msg = ("Malformed escaped value '{0}'.");
throw new FormatException (string.Format (msg, value.Substring (pos)));
}
// it's either a 8 bits or 16 bits char
sb.Append (ReadHex (value, ref pos));
return pos;
}
}
static private int ReadQuoted (StringBuilder sb, string value, int pos)
{
int original = pos;
while (pos <= value.Length) {
switch (value[pos]) {
case '"':
return pos;
case '\\':
return ReadEscaped (sb, value, pos);
default:
sb.Append (value[pos]);
pos++;
break;
}
}
string msg = ("Malformed quoted value '{0}'.");
throw new FormatException (string.Format (msg, value.Substring (original)));
}
static private string ReadValue (string value, ref int pos)
{
int original = pos;
StringBuilder sb = new StringBuilder ();
while (pos < value.Length) {
switch (value [pos]) {
case '\\':
pos = ReadEscaped (sb, value, ++pos);
break;
case '"':
pos = ReadQuoted (sb, value, ++pos);
break;
case '=':
case ';':
case '<':
case '>':
string msg =("Malformed value '{0}' contains '{1}' outside quotes.");
throw new FormatException (string.Format (msg, value.Substring (original), value[pos]));
case '+':
case '#':
throw new NotImplementedException ();
case ',':
pos++;
return sb.ToString ();
default:
sb.Append (value[pos]);
break;
}
pos++;
}
return sb.ToString ();
}
static public ASN1 FromString (string rdn)
{
if (rdn == null)
throw new ArgumentNullException ("rdn");
int pos = 0;
ASN1 asn1 = new ASN1 (0x30);
while (pos < rdn.Length) {
X520.AttributeTypeAndValue atv = ReadAttribute (rdn, ref pos);
atv.Value = ReadValue (rdn, ref pos);
ASN1 sequence = new ASN1 (0x31);
sequence.Add (atv.GetASN1 ());
asn1.Add (sequence);
}
return asn1;
}
}
}

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//
// X509Builder.cs: Abstract builder class for X509 objects
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// (C) 2004 Novell (http://www.novell.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Globalization;
using System.Security.Cryptography;
using Mono.Security;
namespace Mono.Security.X509 {
public abstract class X509Builder {
private const string defaultHash = "SHA1";
private string hashName;
protected X509Builder ()
{
hashName = defaultHash;
}
protected abstract ASN1 ToBeSigned (string hashName);
// move to PKCS1
protected string GetOid (string hashName)
{
switch (hashName.ToLower (CultureInfo.InvariantCulture)) {
case "md2":
// md2withRSAEncryption (1 2 840 113549 1 1 2)
return "1.2.840.113549.1.1.2";
case "md4":
// md4withRSAEncryption (1 2 840 113549 1 1 3)
return "1.2.840.113549.1.1.3";
case "md5":
// md5withRSAEncryption (1 2 840 113549 1 1 4)
return "1.2.840.113549.1.1.4";
case "sha1":
// sha1withRSAEncryption (1 2 840 113549 1 1 5)
return "1.2.840.113549.1.1.5";
case "sha256":
// sha256WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 11 }
return "1.2.840.113549.1.1.11";
case "sha384":
// sha384WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 12 }
return "1.2.840.113549.1.1.12";
case "sha512":
// sha512WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 13 }
return "1.2.840.113549.1.1.13";
default:
throw new NotSupportedException ("Unknown hash algorithm " + hashName);
}
}
public string Hash {
get { return hashName; }
set {
if (hashName == null)
hashName = defaultHash;
else
hashName = value;
}
}
public virtual byte[] Sign (AsymmetricAlgorithm aa)
{
if (aa is RSA)
return Sign (aa as RSA);
else if (aa is DSA)
return Sign (aa as DSA);
else
throw new NotSupportedException ("Unknown Asymmetric Algorithm " + aa.ToString());
}
private byte[] Build (ASN1 tbs, string hashoid, byte[] signature)
{
ASN1 builder = new ASN1 (0x30);
builder.Add (tbs);
builder.Add (PKCS7.AlgorithmIdentifier (hashoid));
// first byte of BITSTRING is the number of unused bits in the first byte
byte[] bitstring = new byte [signature.Length + 1];
Buffer.BlockCopy (signature, 0, bitstring, 1, signature.Length);
builder.Add (new ASN1 (0x03, bitstring));
return builder.GetBytes ();
}
public virtual byte[] Sign (RSA key)
{
string oid = GetOid (hashName);
ASN1 tbs = ToBeSigned (oid);
HashAlgorithm ha = HashAlgorithm.Create (hashName);
byte[] hash = ha.ComputeHash (tbs.GetBytes ());
RSAPKCS1SignatureFormatter pkcs1 = new RSAPKCS1SignatureFormatter (key);
pkcs1.SetHashAlgorithm (hashName);
byte[] signature = pkcs1.CreateSignature (hash);
return Build (tbs, oid, signature);
}
public virtual byte[] Sign (DSA key)
{
string oid = "1.2.840.10040.4.3";
ASN1 tbs = ToBeSigned (oid);
HashAlgorithm ha = HashAlgorithm.Create (hashName);
if (!(ha is SHA1))
throw new NotSupportedException ("Only SHA-1 is supported for DSA");
byte[] hash = ha.ComputeHash (tbs.GetBytes ());
DSASignatureFormatter dsa = new DSASignatureFormatter (key);
dsa.SetHashAlgorithm (hashName);
byte[] rs = dsa.CreateSignature (hash);
// split R and S
byte[] r = new byte [20];
Buffer.BlockCopy (rs, 0, r, 0, 20);
byte[] s = new byte [20];
Buffer.BlockCopy (rs, 20, s, 0, 20);
ASN1 signature = new ASN1 (0x30);
signature.Add (new ASN1 (0x02, r));
signature.Add (new ASN1 (0x02, s));
// dsaWithSha1 (1 2 840 10040 4 3)
return Build (tbs, oid, signature.GetBytes ());
}
}
}

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//
// X509Certificates.cs: Handles X.509 certificates.
//
// Author:
// Sebastien Pouliot <sebastien@xamarin.com>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
// Copyright 2013 Xamarin Inc. (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Runtime.Serialization;
using System.Security.Cryptography;
using SSCX = System.Security.Cryptography.X509Certificates;
using System.Security.Permissions;
using System.Text;
using Mono.Security.Cryptography;
namespace Mono.Security.X509 {
// References:
// a. Internet X.509 Public Key Infrastructure Certificate and CRL Profile
// http://www.ietf.org/rfc/rfc3280.txt
// b. ITU ASN.1 standards (free download)
// http://www.itu.int/ITU-T/studygroups/com17/languages/
#if INSIDE_CORLIB
internal class X509Certificate : ISerializable {
#else
public class X509Certificate : ISerializable {
#endif
private ASN1 decoder;
private byte[] m_encodedcert;
private DateTime m_from;
private DateTime m_until;
private ASN1 issuer;
private string m_issuername;
private string m_keyalgo;
private byte[] m_keyalgoparams;
private ASN1 subject;
private string m_subject;
private byte[] m_publickey;
private byte[] signature;
private string m_signaturealgo;
private byte[] m_signaturealgoparams;
private byte[] certhash;
private RSA _rsa;
private DSA _dsa;
// from http://msdn.microsoft.com/en-gb/library/ff635835.aspx
private const string OID_DSA = "1.2.840.10040.4.1";
private const string OID_RSA = "1.2.840.113549.1.1.1";
// from http://www.ietf.org/rfc/rfc2459.txt
//
//Certificate ::= SEQUENCE {
// tbsCertificate TBSCertificate,
// signatureAlgorithm AlgorithmIdentifier,
// signature BIT STRING }
//
//TBSCertificate ::= SEQUENCE {
// version [0] Version DEFAULT v1,
// serialNumber CertificateSerialNumber,
// signature AlgorithmIdentifier,
// issuer Name,
// validity Validity,
// subject Name,
// subjectPublicKeyInfo SubjectPublicKeyInfo,
// issuerUniqueID [1] IMPLICIT UniqueIdentifier OPTIONAL,
// -- If present, version shall be v2 or v3
// subjectUniqueID [2] IMPLICIT UniqueIdentifier OPTIONAL,
// -- If present, version shall be v2 or v3
// extensions [3] Extensions OPTIONAL
// -- If present, version shall be v3 -- }
private int version;
private byte[] serialnumber;
private byte[] issuerUniqueID;
private byte[] subjectUniqueID;
private X509ExtensionCollection extensions;
private static string encoding_error = ("Input data cannot be coded as a valid certificate.");
// that's were the real job is!
private void Parse (byte[] data)
{
try {
decoder = new ASN1 (data);
// Certificate
if (decoder.Tag != 0x30)
throw new CryptographicException (encoding_error);
// Certificate / TBSCertificate
if (decoder [0].Tag != 0x30)
throw new CryptographicException (encoding_error);
ASN1 tbsCertificate = decoder [0];
int tbs = 0;
// Certificate / TBSCertificate / Version
ASN1 v = decoder [0][tbs];
version = 1; // DEFAULT v1
if ((v.Tag == 0xA0) && (v.Count > 0)) {
// version (optional) is present only in v2+ certs
version += v [0].Value [0]; // zero based
tbs++;
}
// Certificate / TBSCertificate / CertificateSerialNumber
ASN1 sn = decoder [0][tbs++];
if (sn.Tag != 0x02)
throw new CryptographicException (encoding_error);
serialnumber = sn.Value;
Array.Reverse (serialnumber, 0, serialnumber.Length);
// Certificate / TBSCertificate / AlgorithmIdentifier
tbs++;
// ASN1 signatureAlgo = tbsCertificate.Element (tbs++, 0x30);
issuer = tbsCertificate.Element (tbs++, 0x30);
m_issuername = X501.ToString (issuer);
ASN1 validity = tbsCertificate.Element (tbs++, 0x30);
ASN1 notBefore = validity [0];
m_from = ASN1Convert.ToDateTime (notBefore);
ASN1 notAfter = validity [1];
m_until = ASN1Convert.ToDateTime (notAfter);
subject = tbsCertificate.Element (tbs++, 0x30);
m_subject = X501.ToString (subject);
ASN1 subjectPublicKeyInfo = tbsCertificate.Element (tbs++, 0x30);
ASN1 algorithm = subjectPublicKeyInfo.Element (0, 0x30);
ASN1 algo = algorithm.Element (0, 0x06);
m_keyalgo = ASN1Convert.ToOid (algo);
// parameters ANY DEFINED BY algorithm OPTIONAL
// so we dont ask for a specific (Element) type and return DER
ASN1 parameters = algorithm [1];
m_keyalgoparams = ((algorithm.Count > 1) ? parameters.GetBytes () : null);
ASN1 subjectPublicKey = subjectPublicKeyInfo.Element (1, 0x03);
// we must drop th first byte (which is the number of unused bits
// in the BITSTRING)
int n = subjectPublicKey.Length - 1;
m_publickey = new byte [n];
Buffer.BlockCopy (subjectPublicKey.Value, 1, m_publickey, 0, n);
// signature processing
byte[] bitstring = decoder [2].Value;
// first byte contains unused bits in first byte
signature = new byte [bitstring.Length - 1];
Buffer.BlockCopy (bitstring, 1, signature, 0, signature.Length);
algorithm = decoder [1];
algo = algorithm.Element (0, 0x06);
m_signaturealgo = ASN1Convert.ToOid (algo);
parameters = algorithm [1];
if (parameters != null)
m_signaturealgoparams = parameters.GetBytes ();
else
m_signaturealgoparams = null;
// Certificate / TBSCertificate / issuerUniqueID
ASN1 issuerUID = tbsCertificate.Element (tbs, 0x81);
if (issuerUID != null) {
tbs++;
issuerUniqueID = issuerUID.Value;
}
// Certificate / TBSCertificate / subjectUniqueID
ASN1 subjectUID = tbsCertificate.Element (tbs, 0x82);
if (subjectUID != null) {
tbs++;
subjectUniqueID = subjectUID.Value;
}
// Certificate / TBSCertificate / Extensions
ASN1 extns = tbsCertificate.Element (tbs, 0xA3);
if ((extns != null) && (extns.Count == 1))
extensions = new X509ExtensionCollection (extns [0]);
else
extensions = new X509ExtensionCollection (null);
// keep a copy of the original data
m_encodedcert = (byte[]) data.Clone ();
}
catch (Exception ex) {
throw new CryptographicException (encoding_error, ex);
}
}
// constructors
public X509Certificate (byte[] data)
{
if (data != null) {
// does it looks like PEM ?
if ((data.Length > 0) && (data [0] != 0x30)) {
try {
data = PEM ("CERTIFICATE", data);
}
catch (Exception ex) {
throw new CryptographicException (encoding_error, ex);
}
}
Parse (data);
}
}
private byte[] GetUnsignedBigInteger (byte[] integer)
{
if (integer [0] == 0x00) {
// this first byte is added so we're sure it's an unsigned integer
// however we can't feed it into RSAParameters or DSAParameters
int length = integer.Length - 1;
byte[] uinteger = new byte [length];
Buffer.BlockCopy (integer, 1, uinteger, 0, length);
return uinteger;
}
else
return integer;
}
// public methods
public DSA DSA {
get {
if (m_keyalgoparams == null)
throw new CryptographicException ("Missing key algorithm parameters.");
if (_dsa == null && m_keyalgo == OID_DSA) {
DSAParameters dsaParams = new DSAParameters ();
// for DSA m_publickey contains 1 ASN.1 integer - Y
ASN1 pubkey = new ASN1 (m_publickey);
if ((pubkey == null) || (pubkey.Tag != 0x02))
return null;
dsaParams.Y = GetUnsignedBigInteger (pubkey.Value);
ASN1 param = new ASN1 (m_keyalgoparams);
if ((param == null) || (param.Tag != 0x30) || (param.Count < 3))
return null;
if ((param [0].Tag != 0x02) || (param [1].Tag != 0x02) || (param [2].Tag != 0x02))
return null;
dsaParams.P = GetUnsignedBigInteger (param [0].Value);
dsaParams.Q = GetUnsignedBigInteger (param [1].Value);
dsaParams.G = GetUnsignedBigInteger (param [2].Value);
// BUG: MS BCL 1.0 can't import a key which
// isn't the same size as the one present in
// the container.
_dsa = (DSA) new DSACryptoServiceProvider (dsaParams.Y.Length << 3);
_dsa.ImportParameters (dsaParams);
}
return _dsa;
}
set {
_dsa = value;
if (value != null)
_rsa = null;
}
}
public X509ExtensionCollection Extensions {
get { return extensions; }
}
public byte[] Hash {
get {
if (certhash == null) {
if ((decoder == null) || (decoder.Count < 1))
return null;
string algo = PKCS1.HashNameFromOid (m_signaturealgo, false);
if (algo == null)
return null;
byte[] toBeSigned = decoder [0].GetBytes ();
using (var hash = PKCS1.CreateFromName (algo))
certhash = hash.ComputeHash (toBeSigned, 0, toBeSigned.Length);
}
return (byte[]) certhash.Clone ();
}
}
public virtual string IssuerName {
get { return m_issuername; }
}
public virtual string KeyAlgorithm {
get { return m_keyalgo; }
}
public virtual byte[] KeyAlgorithmParameters {
get {
if (m_keyalgoparams == null)
return null;
return (byte[]) m_keyalgoparams.Clone ();
}
set { m_keyalgoparams = value; }
}
public virtual byte[] PublicKey {
get {
if (m_publickey == null)
return null;
return (byte[]) m_publickey.Clone ();
}
}
public virtual RSA RSA {
get {
if (_rsa == null && m_keyalgo == OID_RSA) {
RSAParameters rsaParams = new RSAParameters ();
// for RSA m_publickey contains 2 ASN.1 integers
// the modulus and the public exponent
ASN1 pubkey = new ASN1 (m_publickey);
ASN1 modulus = pubkey [0];
if ((modulus == null) || (modulus.Tag != 0x02))
return null;
ASN1 exponent = pubkey [1];
if (exponent.Tag != 0x02)
return null;
rsaParams.Modulus = GetUnsignedBigInteger (modulus.Value);
rsaParams.Exponent = exponent.Value;
// BUG: MS BCL 1.0 can't import a key which
// isn't the same size as the one present in
// the container.
int keySize = (rsaParams.Modulus.Length << 3);
_rsa = (RSA) new RSACryptoServiceProvider (keySize);
_rsa.ImportParameters (rsaParams);
}
return _rsa;
}
set {
if (value != null)
_dsa = null;
_rsa = value;
}
}
public virtual byte[] RawData {
get {
if (m_encodedcert == null)
return null;
return (byte[]) m_encodedcert.Clone ();
}
}
public virtual byte[] SerialNumber {
get {
if (serialnumber == null)
return null;
return (byte[]) serialnumber.Clone ();
}
}
public virtual byte[] Signature {
get {
if (signature == null)
return null;
switch (m_signaturealgo) {
case "1.2.840.113549.1.1.2": // MD2 with RSA encryption
case "1.2.840.113549.1.1.3": // MD4 with RSA encryption
case "1.2.840.113549.1.1.4": // MD5 with RSA encryption
case "1.2.840.113549.1.1.5": // SHA-1 with RSA Encryption
case "1.3.14.3.2.29": // SHA1 with RSA signature
case "1.2.840.113549.1.1.11": // SHA-256 with RSA Encryption
case "1.2.840.113549.1.1.12": // SHA-384 with RSA Encryption
case "1.2.840.113549.1.1.13": // SHA-512 with RSA Encryption
case "1.3.36.3.3.1.2": // RIPEMD160 with RSA Encryption
return (byte[]) signature.Clone ();
case "1.2.840.10040.4.3": // SHA-1 with DSA
ASN1 sign = new ASN1 (signature);
if ((sign == null) || (sign.Count != 2))
return null;
byte[] part1 = sign [0].Value;
byte[] part2 = sign [1].Value;
byte[] sig = new byte [40];
// parts may be less than 20 bytes (i.e. first bytes were 0x00)
// parts may be more than 20 bytes (i.e. first byte > 0x80, negative)
int s1 = System.Math.Max (0, part1.Length - 20);
int e1 = System.Math.Max (0, 20 - part1.Length);
Buffer.BlockCopy (part1, s1, sig, e1, part1.Length - s1);
int s2 = System.Math.Max (0, part2.Length - 20);
int e2 = System.Math.Max (20, 40 - part2.Length);
Buffer.BlockCopy (part2, s2, sig, e2, part2.Length - s2);
return sig;
default:
throw new CryptographicException ("Unsupported hash algorithm: " + m_signaturealgo);
}
}
}
public virtual string SignatureAlgorithm {
get { return m_signaturealgo; }
}
public virtual byte[] SignatureAlgorithmParameters {
get {
if (m_signaturealgoparams == null)
return m_signaturealgoparams;
return (byte[]) m_signaturealgoparams.Clone ();
}
}
public virtual string SubjectName {
get { return m_subject; }
}
public virtual DateTime ValidFrom {
get { return m_from; }
}
public virtual DateTime ValidUntil {
get { return m_until; }
}
public int Version {
get { return version; }
}
public bool IsCurrent {
get { return WasCurrent (DateTime.UtcNow); }
}
public bool WasCurrent (DateTime instant)
{
return ((instant > ValidFrom) && (instant <= ValidUntil));
}
// uncommon v2 "extension"
public byte[] IssuerUniqueIdentifier {
get {
if (issuerUniqueID == null)
return null;
return (byte[]) issuerUniqueID.Clone ();
}
}
// uncommon v2 "extension"
public byte[] SubjectUniqueIdentifier {
get {
if (subjectUniqueID == null)
return null;
return (byte[]) subjectUniqueID.Clone ();
}
}
internal bool VerifySignature (DSA dsa)
{
// signatureOID is check by both this.Hash and this.Signature
DSASignatureDeformatter v = new DSASignatureDeformatter (dsa);
// only SHA-1 is supported
v.SetHashAlgorithm ("SHA1");
return v.VerifySignature (this.Hash, this.Signature);
}
internal bool VerifySignature (RSA rsa)
{
// SHA1-1 with DSA
if (m_signaturealgo == "1.2.840.10040.4.3")
return false;
RSAPKCS1SignatureDeformatter v = new RSAPKCS1SignatureDeformatter (rsa);
v.SetHashAlgorithm (PKCS1.HashNameFromOid (m_signaturealgo));
return v.VerifySignature (this.Hash, this.Signature);
}
public bool VerifySignature (AsymmetricAlgorithm aa)
{
if (aa == null)
throw new ArgumentNullException ("aa");
if (aa is RSA)
return VerifySignature (aa as RSA);
else if (aa is DSA)
return VerifySignature (aa as DSA);
else
throw new NotSupportedException ("Unknown Asymmetric Algorithm " + aa.ToString ());
}
public bool CheckSignature (byte[] hash, string hashAlgorithm, byte[] signature)
{
RSACryptoServiceProvider r = (RSACryptoServiceProvider) RSA;
return r.VerifyHash (hash, hashAlgorithm, signature);
}
public bool IsSelfSigned {
get {
if (m_issuername != m_subject)
return false;
try {
if (RSA != null)
return VerifySignature (RSA);
else if (DSA != null)
return VerifySignature (DSA);
else
return false; // e.g. a certificate with only DSA parameters
}
catch (CryptographicException) {
return false;
}
}
}
public ASN1 GetIssuerName ()
{
return issuer;
}
public ASN1 GetSubjectName ()
{
return subject;
}
protected X509Certificate (SerializationInfo info, StreamingContext context)
{
Parse ((byte[]) info.GetValue ("raw", typeof (byte[])));
}
[SecurityPermission (SecurityAction.Demand, SerializationFormatter = true)]
public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
{
info.AddValue ("raw", m_encodedcert);
// note: we NEVER serialize the private key
}
static byte[] PEM (string type, byte[] data)
{
string pem = Encoding.ASCII.GetString (data);
string header = String.Format ("-----BEGIN {0}-----", type);
string footer = String.Format ("-----END {0}-----", type);
int start = pem.IndexOf (header) + header.Length;
int end = pem.IndexOf (footer, start);
string base64 = pem.Substring (start, (end - start));
return Convert.FromBase64String (base64);
}
}
}

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//
// X509CertificateBuilder.cs: Handles building of X.509 certificates.
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// (C) 2004 Novell (http://www.novell.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Security.Cryptography;
namespace Mono.Security.X509 {
// From RFC3280
/*
* Certificate ::= SEQUENCE {
* tbsCertificate TBSCertificate,
* signatureAlgorithm AlgorithmIdentifier,
* signature BIT STRING
* }
* TBSCertificate ::= SEQUENCE {
* version [0] Version DEFAULT v1,
* serialNumber CertificateSerialNumber,
* signature AlgorithmIdentifier,
* issuer Name,
* validity Validity,
* subject Name,
* subjectPublicKeyInfo SubjectPublicKeyInfo,
* issuerUniqueID [1] IMPLICIT UniqueIdentifier OPTIONAL,
* -- If present, version MUST be v2 or v3
* subjectUniqueID [2] IMPLICIT UniqueIdentifier OPTIONAL,
* -- If present, version MUST be v2 or v3
* extensions [3] Extensions OPTIONAL
* -- If present, version MUST be v3 --
* }
* Version ::= INTEGER { v1(0), v2(1), v3(2) }
* CertificateSerialNumber ::= INTEGER
* Validity ::= SEQUENCE {
* notBefore Time,
* notAfter Time
* }
* Time ::= CHOICE {
* utcTime UTCTime,
* generalTime GeneralizedTime
* }
*/
public class X509CertificateBuilder : X509Builder {
private byte version;
private byte[] sn;
private string issuer;
private DateTime notBefore;
private DateTime notAfter;
private string subject;
private AsymmetricAlgorithm aa;
private byte[] issuerUniqueID;
private byte[] subjectUniqueID;
private X509ExtensionCollection extensions;
public X509CertificateBuilder () : this (3) {}
public X509CertificateBuilder (byte version)
{
if (version > 3)
throw new ArgumentException ("Invalid certificate version");
this.version = version;
extensions = new X509ExtensionCollection ();
}
public byte Version {
get { return version; }
set { version = value; }
}
public byte[] SerialNumber {
get { return sn; }
set { sn = value; }
}
public string IssuerName {
get { return issuer; }
set { issuer = value; }
}
public DateTime NotBefore {
get { return notBefore; }
set { notBefore = value; }
}
public DateTime NotAfter {
get { return notAfter; }
set { notAfter = value; }
}
public string SubjectName {
get { return subject; }
set { subject = value; }
}
public AsymmetricAlgorithm SubjectPublicKey {
get { return aa; }
set { aa = value; }
}
public byte[] IssuerUniqueId {
get { return issuerUniqueID; }
set { issuerUniqueID = value; }
}
public byte[] SubjectUniqueId {
get { return subjectUniqueID; }
set { subjectUniqueID = value; }
}
public X509ExtensionCollection Extensions {
get { return extensions; }
}
/* SubjectPublicKeyInfo ::= SEQUENCE {
* algorithm AlgorithmIdentifier,
* subjectPublicKey BIT STRING }
*/
private ASN1 SubjectPublicKeyInfo ()
{
ASN1 keyInfo = new ASN1 (0x30);
if (aa is RSA) {
keyInfo.Add (PKCS7.AlgorithmIdentifier ("1.2.840.113549.1.1.1"));
RSAParameters p = (aa as RSA).ExportParameters (false);
/* RSAPublicKey ::= SEQUENCE {
* modulus INTEGER, -- n
* publicExponent INTEGER } -- e
*/
ASN1 key = new ASN1 (0x30);
key.Add (ASN1Convert.FromUnsignedBigInteger (p.Modulus));
key.Add (ASN1Convert.FromUnsignedBigInteger (p.Exponent));
keyInfo.Add (new ASN1 (UniqueIdentifier (key.GetBytes ())));
}
else if (aa is DSA) {
DSAParameters p = (aa as DSA).ExportParameters (false);
/* Dss-Parms ::= SEQUENCE {
* p INTEGER,
* q INTEGER,
* g INTEGER }
*/
ASN1 param = new ASN1 (0x30);
param.Add (ASN1Convert.FromUnsignedBigInteger (p.P));
param.Add (ASN1Convert.FromUnsignedBigInteger (p.Q));
param.Add (ASN1Convert.FromUnsignedBigInteger (p.G));
keyInfo.Add (PKCS7.AlgorithmIdentifier ("1.2.840.10040.4.1", param));
ASN1 key = keyInfo.Add (new ASN1 (0x03));
// DSAPublicKey ::= INTEGER -- public key, y
key.Add (ASN1Convert.FromUnsignedBigInteger (p.Y));
}
else
throw new NotSupportedException ("Unknown Asymmetric Algorithm " + aa.ToString ());
return keyInfo;
}
private byte[] UniqueIdentifier (byte[] id)
{
// UniqueIdentifier ::= BIT STRING
ASN1 uid = new ASN1 (0x03);
// first byte in a BITSTRING is the number of unused bits in the first byte
byte[] v = new byte [id.Length + 1];
Buffer.BlockCopy (id, 0, v, 1, id.Length);
uid.Value = v;
return uid.GetBytes ();
}
protected override ASN1 ToBeSigned (string oid)
{
// TBSCertificate
ASN1 tbsCert = new ASN1 (0x30);
if (version > 1) {
// TBSCertificate / [0] Version DEFAULT v1,
byte[] ver = { (byte)(version - 1) };
ASN1 v = tbsCert.Add (new ASN1 (0xA0));
v.Add (new ASN1 (0x02, ver));
}
// TBSCertificate / CertificateSerialNumber,
tbsCert.Add (new ASN1 (0x02, sn));
// TBSCertificate / AlgorithmIdentifier,
tbsCert.Add (PKCS7.AlgorithmIdentifier (oid));
// TBSCertificate / Name
tbsCert.Add (X501.FromString (issuer));
// TBSCertificate / Validity
ASN1 validity = tbsCert.Add (new ASN1 (0x30));
// TBSCertificate / Validity / Time
validity.Add (ASN1Convert.FromDateTime (notBefore));
// TBSCertificate / Validity / Time
validity.Add (ASN1Convert.FromDateTime (notAfter));
// TBSCertificate / Name
tbsCert.Add (X501.FromString (subject));
// TBSCertificate / SubjectPublicKeyInfo
tbsCert.Add (SubjectPublicKeyInfo ());
if (version > 1) {
// TBSCertificate / [1] IMPLICIT UniqueIdentifier OPTIONAL
if (issuerUniqueID != null)
tbsCert.Add (new ASN1 (0xA1, UniqueIdentifier (issuerUniqueID)));
// TBSCertificate / [2] IMPLICIT UniqueIdentifier OPTIONAL
if (subjectUniqueID != null)
tbsCert.Add (new ASN1 (0xA1, UniqueIdentifier (subjectUniqueID)));
// TBSCertificate / [3] Extensions OPTIONAL
if ((version > 2) && (extensions.Count > 0))
tbsCert.Add (new ASN1 (0xA3, extensions.GetBytes ()));
}
return tbsCert;
}
}
}

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//
// Based on System.Security.Cryptography.X509Certificates.X509CertificateCollection
// in System assembly
//
// Authors:
// Lawrence Pit (loz@cable.a2000.nl)
// Sebastien Pouliot <sebastien@ximian.com>
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
namespace Mono.Security.X509 {
[Serializable]
#if INSIDE_CORLIB
internal
#else
public
#endif
class X509CertificateCollection : CollectionBase, IEnumerable {
public X509CertificateCollection ()
{
}
public X509CertificateCollection (X509Certificate [] value)
{
AddRange (value);
}
public X509CertificateCollection (X509CertificateCollection value)
{
AddRange (value);
}
// Properties
public X509Certificate this [int index] {
get { return (X509Certificate) InnerList [index]; }
set { InnerList [index] = value; }
}
// Methods
public int Add (X509Certificate value)
{
if (value == null)
throw new ArgumentNullException ("value");
return InnerList.Add (value);
}
public void AddRange (X509Certificate [] value)
{
if (value == null)
throw new ArgumentNullException ("value");
for (int i = 0; i < value.Length; i++)
InnerList.Add (value [i]);
}
public void AddRange (X509CertificateCollection value)
{
if (value == null)
throw new ArgumentNullException ("value");
for (int i = 0; i < value.InnerList.Count; i++)
InnerList.Add (value [i]);
}
public bool Contains (X509Certificate value)
{
return (IndexOf (value) != -1);
}
public void CopyTo (X509Certificate[] array, int index)
{
InnerList.CopyTo (array, index);
}
public new X509CertificateEnumerator GetEnumerator ()
{
return new X509CertificateEnumerator (this);
}
IEnumerator IEnumerable.GetEnumerator ()
{
return InnerList.GetEnumerator ();
}
public override int GetHashCode ()
{
return InnerList.GetHashCode ();
}
public int IndexOf (X509Certificate value)
{
if (value == null)
throw new ArgumentNullException ("value");
byte[] hash = value.Hash;
for (int i=0; i < InnerList.Count; i++) {
X509Certificate x509 = (X509Certificate) InnerList [i];
if (Compare (x509.Hash, hash))
return i;
}
return -1;
}
public void Insert (int index, X509Certificate value)
{
InnerList.Insert (index, value);
}
public void Remove (X509Certificate value)
{
InnerList.Remove (value);
}
// private stuff
private bool Compare (byte[] array1, byte[] array2)
{
if ((array1 == null) && (array2 == null))
return true;
if ((array1 == null) || (array2 == null))
return false;
if (array1.Length != array2.Length)
return false;
for (int i=0; i < array1.Length; i++) {
if (array1 [i] != array2 [i])
return false;
}
return true;
}
// Inner Class
public class X509CertificateEnumerator : IEnumerator {
private IEnumerator enumerator;
// Constructors
public X509CertificateEnumerator (X509CertificateCollection mappings)
{
enumerator = ((IEnumerable) mappings).GetEnumerator ();
}
// Properties
public X509Certificate Current {
get { return (X509Certificate) enumerator.Current; }
}
object IEnumerator.Current {
get { return enumerator.Current; }
}
// Methods
bool IEnumerator.MoveNext ()
{
return enumerator.MoveNext ();
}
void IEnumerator.Reset ()
{
enumerator.Reset ();
}
public bool MoveNext ()
{
return enumerator.MoveNext ();
}
public void Reset ()
{
enumerator.Reset ();
}
}
}
}

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//
// X509Extension.cs: Base class for all X.509 extensions.
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Globalization;
using System.Text;
using Mono.Security;
namespace Mono.Security.X509 {
/*
* Extension ::= SEQUENCE {
* extnID OBJECT IDENTIFIER,
* critical BOOLEAN DEFAULT FALSE,
* extnValue OCTET STRING
* }
*/
#if INSIDE_CORLIB
internal
#else
public
#endif
class X509Extension {
protected string extnOid;
protected bool extnCritical;
protected ASN1 extnValue;
protected X509Extension ()
{
extnCritical = false;
}
public X509Extension (ASN1 asn1)
{
if ((asn1.Tag != 0x30) || (asn1.Count < 2))
throw new ArgumentException (("Invalid X.509 extension."));
if (asn1[0].Tag != 0x06)
throw new ArgumentException (("Invalid X.509 extension."));
extnOid = ASN1Convert.ToOid (asn1[0]);
extnCritical = ((asn1[1].Tag == 0x01) && (asn1[1].Value[0] == 0xFF));
// last element is an octet string which may need to be decoded
extnValue = asn1 [asn1.Count - 1];
if ((extnValue.Tag == 0x04) && (extnValue.Length > 0) && (extnValue.Count == 0)) {
try {
ASN1 encapsulated = new ASN1 (extnValue.Value);
extnValue.Value = null;
extnValue.Add (encapsulated);
}
catch {
// data isn't ASN.1
}
}
Decode ();
}
public X509Extension (X509Extension extension)
{
if (extension == null)
throw new ArgumentNullException ("extension");
if ((extension.Value == null) || (extension.Value.Tag != 0x04) || (extension.Value.Count != 1))
throw new ArgumentException (("Invalid X.509 extension."));
extnOid = extension.Oid;
extnCritical = extension.Critical;
extnValue = extension.Value;
Decode ();
}
// encode the extension *into* an OCTET STRING
protected virtual void Decode ()
{
}
// decode the extension from *inside* an OCTET STRING
protected virtual void Encode ()
{
}
public ASN1 ASN1 {
get {
ASN1 extension = new ASN1 (0x30);
extension.Add (ASN1Convert.FromOid (extnOid));
if (extnCritical)
extension.Add (new ASN1 (0x01, new byte [1] { 0xFF }));
Encode ();
extension.Add (extnValue);
return extension;
}
}
public string Oid {
get { return extnOid; }
}
public bool Critical {
get { return extnCritical; }
set { extnCritical = value; }
}
// this gets overrided with more meaningful names
public virtual string Name {
get { return extnOid; }
}
public ASN1 Value {
get {
if (extnValue == null) {
Encode ();
}
return extnValue;
}
}
public override bool Equals (object obj)
{
if (obj == null)
return false;
X509Extension ex = (obj as X509Extension);
if (ex == null)
return false;
if (extnCritical != ex.extnCritical)
return false;
if (extnOid != ex.extnOid)
return false;
if (extnValue.Length != ex.extnValue.Length)
return false;
for (int i=0; i < extnValue.Length; i++) {
if (extnValue [i] != ex.extnValue [i])
return false;
}
return true;
}
public byte[] GetBytes ()
{
return ASN1.GetBytes ();
}
public override int GetHashCode ()
{
// OID should be unique in a collection of extensions
return extnOid.GetHashCode ();
}
private void WriteLine (StringBuilder sb, int n, int pos)
{
byte[] value = extnValue.Value;
int p = pos;
for (int j=0; j < 8; j++) {
if (j < n) {
sb.Append (value [p++].ToString ("X2", CultureInfo.InvariantCulture));
sb.Append (" ");
}
else
sb.Append (" ");
}
sb.Append (" ");
p = pos;
for (int j=0; j < n; j++) {
byte b = value [p++];
if (b < 0x20)
sb.Append (".");
else
sb.Append (Convert.ToChar (b));
}
sb.Append (Environment.NewLine);
}
public override string ToString ()
{
StringBuilder sb = new StringBuilder ();
int div = (extnValue.Length >> 3);
int rem = (extnValue.Length - (div << 3));
int x = 0;
for (int i=0; i < div; i++) {
WriteLine (sb, 8, x);
x += 8;
}
WriteLine (sb, rem, x);
return sb.ToString ();
}
}
}

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//
// X509Extensions.cs: Handles X.509 extensions.
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// (C) 2004 Novell (http://www.novell.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using Mono.Security;
namespace Mono.Security.X509 {
/*
* Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension
*
* Note: 1..MAX -> There shouldn't be 0 Extensions in the ASN1 structure
*/
#if INSIDE_CORLIB
internal
#else
public
#endif
sealed class X509ExtensionCollection : CollectionBase, IEnumerable {
private bool readOnly;
public X509ExtensionCollection () : base ()
{
}
public X509ExtensionCollection (ASN1 asn1) : this ()
{
readOnly = true;
if (asn1 == null)
return;
if (asn1.Tag != 0x30)
throw new Exception ("Invalid extensions format");
for (int i=0; i < asn1.Count; i++) {
X509Extension extension = new X509Extension (asn1 [i]);
InnerList.Add (extension);
}
}
public int Add (X509Extension extension)
{
if (extension == null)
throw new ArgumentNullException ("extension");
if (readOnly)
throw new NotSupportedException ("Extensions are read only");
return InnerList.Add (extension);
}
public void AddRange (X509Extension[] extension)
{
if (extension == null)
throw new ArgumentNullException ("extension");
if (readOnly)
throw new NotSupportedException ("Extensions are read only");
for (int i = 0; i < extension.Length; i++)
InnerList.Add (extension [i]);
}
public void AddRange (X509ExtensionCollection collection)
{
if (collection == null)
throw new ArgumentNullException ("collection");
if (readOnly)
throw new NotSupportedException ("Extensions are read only");
for (int i = 0; i < collection.InnerList.Count; i++)
InnerList.Add (collection [i]);
}
public bool Contains (X509Extension extension)
{
return (IndexOf (extension) != -1);
}
public bool Contains (string oid)
{
return (IndexOf (oid) != -1);
}
public void CopyTo (X509Extension[] extensions, int index)
{
if (extensions == null)
throw new ArgumentNullException ("extensions");
InnerList.CopyTo (extensions, index);
}
public int IndexOf (X509Extension extension)
{
if (extension == null)
throw new ArgumentNullException ("extension");
for (int i=0; i < InnerList.Count; i++) {
X509Extension ex = (X509Extension) InnerList [i];
if (ex.Equals (extension))
return i;
}
return -1;
}
public int IndexOf (string oid)
{
if (oid == null)
throw new ArgumentNullException ("oid");
for (int i=0; i < InnerList.Count; i++) {
X509Extension ex = (X509Extension) InnerList [i];
if (ex.Oid == oid)
return i;
}
return -1;
}
public void Insert (int index, X509Extension extension)
{
if (extension == null)
throw new ArgumentNullException ("extension");
InnerList.Insert (index, extension);
}
public void Remove (X509Extension extension)
{
if (extension == null)
throw new ArgumentNullException ("extension");
InnerList.Remove (extension);
}
public void Remove (string oid)
{
if (oid == null)
throw new ArgumentNullException ("oid");
int index = IndexOf (oid);
if (index != -1)
InnerList.RemoveAt (index);
}
IEnumerator IEnumerable.GetEnumerator ()
{
return InnerList.GetEnumerator ();
}
public X509Extension this [int index] {
get { return (X509Extension) InnerList [index]; }
}
public X509Extension this [string oid] {
get {
int index = IndexOf (oid);
if (index == -1)
return null;
return (X509Extension) InnerList [index];
}
}
public byte[] GetBytes ()
{
if (InnerList.Count < 1)
return null;
ASN1 sequence = new ASN1 (0x30);
for (int i=0; i < InnerList.Count; i++) {
X509Extension x = (X509Extension) InnerList [i];
sequence.Add (x.ASN1);
}
return sequence.GetBytes ();
}
}
}

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//
// X520.cs: X.520 related stuff (attributes, RDN)
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Globalization;
using System.Text;
using Mono.Security;
namespace Mono.Security.X509 {
// References:
// 1. Information technology - Open Systems Interconnection - The Directory: Selected attribute types
// http://www.itu.int/rec/recommendation.asp?type=folders&lang=e&parent=T-REC-X.520
// 2. Internet X.509 Public Key Infrastructure Certificate and CRL Profile
// http://www.ietf.org/rfc/rfc3280.txt
// 3. A Summary of the X.500(96) User Schema for use with LDAPv3
// http://www.faqs.org/rfcs/rfc2256.html
// 4. RFC 2247 - Using Domains in LDAP/X.500 Distinguished Names
// http://www.faqs.org/rfcs/rfc2247.html
/*
* AttributeTypeAndValue ::= SEQUENCE {
* type AttributeType,
* value AttributeValue
* }
*
* AttributeType ::= OBJECT IDENTIFIER
*
* AttributeValue ::= ANY DEFINED BY AttributeType
*/
#if INSIDE_CORLIB
internal
#else
public
#endif
class X520 {
public abstract class AttributeTypeAndValue {
private string oid;
private string attrValue;
private int upperBound;
private byte encoding;
protected AttributeTypeAndValue (string oid, int upperBound)
{
this.oid = oid;
this.upperBound = upperBound;
this.encoding = 0xFF;
}
protected AttributeTypeAndValue (string oid, int upperBound, byte encoding)
{
this.oid = oid;
this.upperBound = upperBound;
this.encoding = encoding;
}
public string Value {
get { return attrValue; }
set {
if ((attrValue != null) && (attrValue.Length > upperBound)) {
string msg = ("Value length bigger than upperbound ({0}).");
throw new FormatException (String.Format (msg, upperBound));
}
attrValue = value;
}
}
public ASN1 ASN1 {
get { return GetASN1 (); }
}
internal ASN1 GetASN1 (byte encoding)
{
byte encode = encoding;
if (encode == 0xFF)
encode = SelectBestEncoding ();
ASN1 asn1 = new ASN1 (0x30);
asn1.Add (ASN1Convert.FromOid (oid));
switch (encode) {
case 0x13:
// PRINTABLESTRING
asn1.Add (new ASN1 (0x13, Encoding.ASCII.GetBytes (attrValue)));
break;
case 0x16:
// IA5STRING
asn1.Add (new ASN1 (0x16, Encoding.ASCII.GetBytes (attrValue)));
break;
case 0x1E:
// BMPSTRING
asn1.Add (new ASN1 (0x1E, Encoding.BigEndianUnicode.GetBytes (attrValue)));
break;
}
return asn1;
}
internal ASN1 GetASN1 ()
{
return GetASN1 (encoding);
}
public byte[] GetBytes (byte encoding)
{
return GetASN1 (encoding) .GetBytes ();
}
public byte[] GetBytes ()
{
return GetASN1 () .GetBytes ();
}
private byte SelectBestEncoding ()
{
foreach (char c in attrValue) {
switch (c) {
case '@':
case '_':
return 0x1E; // BMPSTRING
default:
if (c > 127)
return 0x1E; // BMPSTRING
break;
}
}
return 0x13; // PRINTABLESTRING
}
}
public class Name : AttributeTypeAndValue {
public Name () : base ("2.5.4.41", 32768)
{
}
}
public class CommonName : AttributeTypeAndValue {
public CommonName () : base ("2.5.4.3", 64)
{
}
}
// RFC2256, Section 5.6
public class SerialNumber : AttributeTypeAndValue {
// max length 64 bytes, Printable String only
public SerialNumber ()
: base ("2.5.4.5", 64, 0x13)
{
}
}
public class LocalityName : AttributeTypeAndValue {
public LocalityName () : base ("2.5.4.7", 128)
{
}
}
public class StateOrProvinceName : AttributeTypeAndValue {
public StateOrProvinceName () : base ("2.5.4.8", 128)
{
}
}
public class OrganizationName : AttributeTypeAndValue {
public OrganizationName () : base ("2.5.4.10", 64)
{
}
}
public class OrganizationalUnitName : AttributeTypeAndValue {
public OrganizationalUnitName () : base ("2.5.4.11", 64)
{
}
}
// NOTE: Not part of RFC2253
public class EmailAddress : AttributeTypeAndValue {
public EmailAddress () : base ("1.2.840.113549.1.9.1", 128, 0x16)
{
}
}
// RFC2247, Section 4
public class DomainComponent : AttributeTypeAndValue {
// no maximum length defined
public DomainComponent ()
: base ("0.9.2342.19200300.100.1.25", Int32.MaxValue, 0x16)
{
}
}
// RFC1274, Section 9.3.1
public class UserId : AttributeTypeAndValue {
public UserId ()
: base ("0.9.2342.19200300.100.1.1", 256)
{
}
}
public class Oid : AttributeTypeAndValue {
public Oid (string oid)
: base (oid, Int32.MaxValue)
{
}
}
/* -- Naming attributes of type X520Title
* id-at-title AttributeType ::= { id-at 12 }
*
* X520Title ::= CHOICE {
* teletexString TeletexString (SIZE (1..ub-title)),
* printableString PrintableString (SIZE (1..ub-title)),
* universalString UniversalString (SIZE (1..ub-title)),
* utf8String UTF8String (SIZE (1..ub-title)),
* bmpString BMPString (SIZE (1..ub-title))
* }
*/
public class Title : AttributeTypeAndValue {
public Title () : base ("2.5.4.12", 64)
{
}
}
public class CountryName : AttributeTypeAndValue {
// (0x13) PRINTABLESTRING
public CountryName () : base ("2.5.4.6", 2, 0x13)
{
}
}
public class DnQualifier : AttributeTypeAndValue {
// (0x13) PRINTABLESTRING
public DnQualifier () : base ("2.5.4.46", 2, 0x13)
{
}
}
public class Surname : AttributeTypeAndValue {
public Surname () : base ("2.5.4.4", 32768)
{
}
}
public class GivenName : AttributeTypeAndValue {
public GivenName () : base ("2.5.4.42", 16)
{
}
}
public class Initial : AttributeTypeAndValue {
public Initial () : base ("2.5.4.43", 5)
{
}
}
}
/* From RFC3280
* -- specifications of Upper Bounds MUST be regarded as mandatory
* -- from Annex B of ITU-T X.411 Reference Definition of MTS Parameter
*
* -- Upper Bounds
*
* ub-name INTEGER ::= 32768
* ub-common-name INTEGER ::= 64
* ub-locality-name INTEGER ::= 128
* ub-state-name INTEGER ::= 128
* ub-organization-name INTEGER ::= 64
* ub-organizational-unit-name INTEGER ::= 64
* ub-title INTEGER ::= 64
* ub-serial-number INTEGER ::= 64
* ub-match INTEGER ::= 128
* ub-emailaddress-length INTEGER ::= 128
* ub-common-name-length INTEGER ::= 64
* ub-country-name-alpha-length INTEGER ::= 2
* ub-country-name-numeric-length INTEGER ::= 3
* ub-domain-defined-attributes INTEGER ::= 4
* ub-domain-defined-attribute-type-length INTEGER ::= 8
* ub-domain-defined-attribute-value-length INTEGER ::= 128
* ub-domain-name-length INTEGER ::= 16
* ub-extension-attributes INTEGER ::= 256
* ub-e163-4-number-length INTEGER ::= 15
* ub-e163-4-sub-address-length INTEGER ::= 40
* ub-generation-qualifier-length INTEGER ::= 3
* ub-given-name-length INTEGER ::= 16
* ub-initials-length INTEGER ::= 5
* ub-integer-options INTEGER ::= 256
* ub-numeric-user-id-length INTEGER ::= 32
* ub-organization-name-length INTEGER ::= 64
* ub-organizational-unit-name-length INTEGER ::= 32
* ub-organizational-units INTEGER ::= 4
* ub-pds-name-length INTEGER ::= 16
* ub-pds-parameter-length INTEGER ::= 30
* ub-pds-physical-address-lines INTEGER ::= 6
* ub-postal-code-length INTEGER ::= 16
* ub-pseudonym INTEGER ::= 128
* ub-surname-length INTEGER ::= 40
* ub-terminal-id-length INTEGER ::= 24
* ub-unformatted-address-length INTEGER ::= 180
* ub-x121-address-length INTEGER ::= 16
*
* -- Note - upper bounds on string types, such as TeletexString, are
* -- measured in characters. Excepting PrintableString or IA5String, a
* -- significantly greater number of octets will be required to hold
* -- such a value. As a minimum, 16 octets, or twice the specified
* -- upper bound, whichever is the larger, should be allowed for
* -- TeletexString. For UTF8String or UniversalString at least four
* -- times the upper bound should be allowed.
*/
}
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