//
// CryptoConfig.cs: Handles cryptographic implementations and OIDs mappings.
//
// Authors:
// Sebastien Pouliot (sebastien@xamarin.com)
// Tim Coleman (tim@timcoleman.com)
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) Tim Coleman, 2004
// Copyright (C) 2004-2007,2011 Novell, Inc (http://www.novell.com)
// Copyright 2011 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.
//
#if FULL_AOT_RUNTIME
// This is a special version of CryptoConfig that is not configurable and
// every "choice" is statiscally compiled. As long as CreateFromName is not
// used the linker will be able to eliminate the crypto code from the applications
using System.Runtime.InteropServices;
using System.Security.Permissions;
namespace System.Security.Cryptography {
[ComVisible (true)]
public partial class CryptoConfig {
public static void AddAlgorithm (Type algorithm, params string[] names)
{
throw new PlatformNotSupportedException ();
}
public static void AddOID (string oid, params string[] names)
{
throw new PlatformNotSupportedException ();
}
// try to avoid hitting the CreateFromName overloads to help the linker
public static object CreateFromName (string name)
{
return CreateFromName (name, null);
}
[PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
public static object CreateFromName (string name, params object[] args)
{
if (name == null)
throw new ArgumentNullException ("name");
switch (name.ToLowerInvariant ()) {
case "system.security.cryptography.dsacryptoserviceprovider":
case "system.security.cryptography.dsa":
case "dsa":
return new DSACryptoServiceProvider ();
case "system.security.cryptography.dsasignaturedeformatter":
return new DSASignatureDeformatter ();
case "system.security.cryptography.dsasignatureformatter":
return new DSASignatureFormatter ();
case "system.security.cryptography.dsasignaturedescription":
case "http://www.w3.org/2000/09/xmldsig#dsa-sha1":
return new DSASignatureDescription ();
case "system.security.cryptography.descryptoserviceprovider":
case "system.security.cryptography.des":
case "des":
return new DESCryptoServiceProvider ();
case "system.security.cryptography.hmacmd5":
case "hmacmd5":
return new HMACMD5 ();
case "system.security.cryptography.hmacripemd160":
case "hmacripemd160":
case "http://www.w3.org/2001/04/xmldsig-more#hmac-ripemd160":
return new HMACRIPEMD160 ();
case "system.security.cryptography.keyedhashalgorithm":
case "system.security.cryptography.hmac":
case "system.security.cryptography.hmacsha1":
case "hmacsha1":
return new HMACSHA1 ();
case "system.security.cryptography.hmacsha256":
case "hmacsha256":
case "http://www.w3.org/2001/04/xmldsig-more#hmac-sha256":
return new HMACSHA256 ();
case "system.security.cryptography.hmacsha384":
case "hmacsha384":
case "http://www.w3.org/2001/04/xmldsig-more#hmac-sha384":
return new HMACSHA384 ();
case "system.security.cryptography.hmacsha512":
case "hmacsha512":
case "http://www.w3.org/2001/04/xmldsig-more#hmac-sha512":
return new HMACSHA512 ();
case "system.security.cryptography.mactripledes":
case "mactripledes":
return new MACTripleDES ();
case "system.security.cryptography.md5cryptoserviceprovider":
case "system.security.cryptography.md5":
case "md5":
return new MD5CryptoServiceProvider ();
case "system.security.cryptography.rc2cryptoserviceprovider":
case "system.security.cryptography.rc2":
case "rc2":
return new RC2CryptoServiceProvider ();
case "system.security.cryptography.symmetricalgorithm":
case "system.security.cryptography.rijndaelmanaged":
case "system.security.cryptography.rijndael":
case "rijndael":
return new RijndaelManaged ();
case "system.security.cryptography.ripemd160managed":
case "system.security.cryptography.ripemd160":
case "ripemd-160":
case "ripemd160":
return new RIPEMD160Managed ();
case "system.security.cryptography.rngcryptoserviceprovider":
case "system.security.cryptography.randomnumbergenerator":
case "randomnumbergenerator":
return new RNGCryptoServiceProvider ();
case "system.security.cryptography.asymmetricalgorithm":
case "system.security.cryptography.rsa":
case "rsa":
return new RSACryptoServiceProvider ();
case "system.security.cryptography.rsapkcs1signaturedeformatter":
return new RSAPKCS1SignatureDeformatter ();
case "system.security.cryptography.rsapkcs1signatureformatter":
return new RSAPKCS1SignatureFormatter ();
case "system.security.cryptography.rsapkcs1sha1signaturedescription":
case "http://www.w3.org/2000/09/xmldsig#rsa-sha1":
return new RSAPKCS1SHA1SignatureDescription ();
case "system.security.cryptography.rsapkcs1sha256signaturedescription":
case "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256":
return new RSAPKCS1SHA256SignatureDescription ();
case "system.security.cryptography.rsapkcs1sha384signaturedescription":
case "http://www.w3.org/2001/04/xmldsig-more#rsa-sha384":
return new RSAPKCS1SHA384SignatureDescription ();
case "system.security.cryptography.rsapkcs1sha512signaturedescription":
case "http://www.w3.org/2001/04/xmldsig-more#rsa-sha512":
return new RSAPKCS1SHA512SignatureDescription ();
case "system.security.cryptography.hashalgorithm":
case "system.security.cryptography.sha1":
case "system.security.cryptography.sha1cryptoserviceprovider":
case "system.security.cryptography.sha1cng":
case "sha1":
case "sha":
case "http://www.w3.org/2000/09/xmldsig#sha1":
return new SHA1CryptoServiceProvider ();
case "system.security.cryptography.sha1managed":
return new SHA1Managed ();
case "system.security.cryptography.sha256managed":
case "system.security.cryptography.sha256":
case "system.security.cryptography.sha256cryptoserviceprovider":
case "system.security.cryptography.sha256cng":
case "sha256":
case "sha-256":
case "http://www.w3.org/2001/04/xmlenc#sha256":
return new SHA256Managed ();
case "system.security.cryptography.sha384managed":
case "system.security.cryptography.sha384":
case "system.security.cryptography.sha384cryptoserviceprovider":
case "system.security.cryptography.sha384cng":
case "sha384":
case "sha-384":
case "http://www.w3.org/2001/04/xmldsig-more#sha384":
return new SHA384Managed ();
case "system.security.cryptography.sha512managed":
case "system.security.cryptography.sha512":
case "system.security.cryptography.sha512cryptoserviceprovider":
case "system.security.cryptography.sha512cng":
case "sha512":
case "sha-512":
case "http://www.w3.org/2001/04/xmlenc#sha512":
return new SHA512Managed ();
case "system.security.cryptography.tripledescryptoserviceprovider":
case "system.security.cryptography.tripledes":
case "triple des":
case "tripledes":
case "3des":
return new TripleDESCryptoServiceProvider ();
case "x509chain":
name = "System.Security.Cryptography.X509Certificates.X509Chain, System";
break;
case "aes":
#if MOBILE_STATIC
name = "System.Security.Cryptography.AesCryptoServiceProvider, System.Core";
#else
name = "System.Security.Cryptography.AesManaged, System.Core";
#endif
break;
}
try {
// last resort, the request type might be available (if care is taken for the type not to be linked
// away) and that can allow some 3rd party code to work (e.g. extra algorithms) and make a few more
// unit tests happy
return Activator.CreateInstance (Type.GetType (name));
}
catch {
// method doesn't throw any exception
return null;
}
}
internal static string MapNameToOID (string name, object arg)
{
return MapNameToOID (name);
}
public static string MapNameToOID (string name)
{
if (name == null)
throw new ArgumentNullException ("name");
switch (name.ToLowerInvariant ()) {
case "system.security.cryptography.sha1cryptoserviceprovider":
case "system.security.cryptography.sha1cng":
case "system.security.cryptography.sha1managed":
case "system.security.cryptography.sha1":
case "sha1":
return "1.3.14.3.2.26";
case "system.security.cryptography.md5cryptoserviceprovider":
case "system.security.cryptography.md5":
case "md5":
return "1.2.840.113549.2.5";
case "system.security.cryptography.sha256cryptoserviceprovider":
case "system.security.cryptography.sha256cng":
case "system.security.cryptography.sha256managed":
case "system.security.cryptography.sha256":
case "sha256":
return "2.16.840.1.101.3.4.2.1";
case "system.security.cryptography.sha384cryptoserviceprovider":
case "system.security.cryptography.sha384cng":
case "system.security.cryptography.sha384managed":
case "system.security.cryptography.sha384":
case "sha384":
return "2.16.840.1.101.3.4.2.2";
case "system.security.cryptography.sha512cryptoserviceprovider":
case "system.security.cryptography.sha512cng":
case "system.security.cryptography.sha512managed":
case "system.security.cryptography.sha512":
case "sha512":
return "2.16.840.1.101.3.4.2.3";
case "system.security.cryptography.ripemd160managed":
case "system.security.cryptography.ripemd160":
case "ripemd160":
return "1.3.36.3.2.1";
case "tripledeskeywrap":
return "1.2.840.113549.1.9.16.3.6";
case "des":
return "1.3.14.3.2.7";
case "tripledes":
return "1.2.840.113549.3.7";
case "rc2":
return "1.2.840.113549.3.2";
default:
return null;
}
}
}
}
#endif