320 lines
12 KiB
C#
Executable File
320 lines
12 KiB
C#
Executable File
//
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// CryptoConfig.cs: Handles cryptographic implementations and OIDs mappings.
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//
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// Authors:
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// Sebastien Pouliot (sebastien@xamarin.com)
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// Tim Coleman (tim@timcoleman.com)
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//
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// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
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// Copyright (C) Tim Coleman, 2004
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// Copyright (C) 2004-2007,2011 Novell, Inc (http://www.novell.com)
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// Copyright 2011 Xamarin, Inc. (http://www.xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if !FEATURE_CRYPTO_CONFIGURABLE
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// This is a special version of CryptoConfig that is not configurable and
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// every "choice" is statiscally compiled. As long as CreateFromName is not
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// used the linker will be able to eliminate the crypto code from the applications
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using System.Runtime.InteropServices;
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using System.Security.Permissions;
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using System.Collections.Generic;
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using System.Runtime.CompilerServices;
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namespace System.Security.Cryptography {
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[ComVisible (true)]
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public partial class CryptoConfig {
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public static void AddOID (string oid, params string[] names)
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{
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throw new PlatformNotSupportedException ();
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}
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// try to avoid hitting the CreateFromName overloads to help the linker
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public static object CreateFromName (string name)
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{
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return CreateFromName (name, null);
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}
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#if MONOTOUCH || XAMMAC
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[PreserveDependencyAttribute (".ctor()", "System.Security.Cryptography.AesManaged", "System.Core")]
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#else
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[PreserveDependencyAttribute (".ctor()", "System.Security.Cryptography.AesCryptoServiceProvider", "System.Core")]
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#endif
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[PreserveDependencyAttribute (".ctor()", "System.Security.Cryptography.X509Certificates.X509Chain", "System")]
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[PreserveDependencyAttribute (".ctor()", "System.Security.Cryptography.X509Certificates.X509KeyUsageExtension", "System")]
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[PreserveDependencyAttribute (".ctor()", "System.Security.Cryptography.X509Certificates.X509BasicConstraintsExtension", "System")]
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[PreserveDependencyAttribute (".ctor()", "System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension", "System")]
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[PreserveDependencyAttribute (".ctor()", "System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension", "System")]
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public static object CreateFromName (string name, params object[] args)
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{
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if (name == null)
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throw new ArgumentNullException ("name");
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Type algoClass = null;
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// TODO: These ignore args
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switch (name.ToLowerInvariant ()) {
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case "system.security.cryptography.dsacryptoserviceprovider":
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case "system.security.cryptography.dsa":
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case "dsa":
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return new DSACryptoServiceProvider ();
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case "system.security.cryptography.dsasignaturedeformatter":
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return new DSASignatureDeformatter ();
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case "system.security.cryptography.dsasignatureformatter":
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return new DSASignatureFormatter ();
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case "system.security.cryptography.dsasignaturedescription":
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case "http://www.w3.org/2000/09/xmldsig#dsa-sha1":
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return new DSASignatureDescription ();
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case "system.security.cryptography.descryptoserviceprovider":
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case "system.security.cryptography.des":
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case "des":
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return new DESCryptoServiceProvider ();
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case "system.security.cryptography.hmacmd5":
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case "hmacmd5":
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return new HMACMD5 ();
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case "system.security.cryptography.hmacripemd160":
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case "hmacripemd160":
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case "http://www.w3.org/2001/04/xmldsig-more#hmac-ripemd160":
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return new HMACRIPEMD160 ();
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case "system.security.cryptography.keyedhashalgorithm":
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case "system.security.cryptography.hmac":
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case "system.security.cryptography.hmacsha1":
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case "hmacsha1":
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case "http://www.w3.org/2000/09/xmldsig#hmac-sha1":
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return new HMACSHA1 ();
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case "system.security.cryptography.hmacsha256":
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case "hmacsha256":
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case "http://www.w3.org/2001/04/xmldsig-more#hmac-sha256":
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return new HMACSHA256 ();
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case "system.security.cryptography.hmacsha384":
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case "hmacsha384":
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case "http://www.w3.org/2001/04/xmldsig-more#hmac-sha384":
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return new HMACSHA384 ();
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case "system.security.cryptography.hmacsha512":
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case "hmacsha512":
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case "http://www.w3.org/2001/04/xmldsig-more#hmac-sha512":
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return new HMACSHA512 ();
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case "system.security.cryptography.mactripledes":
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case "mactripledes":
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return new MACTripleDES ();
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case "system.security.cryptography.md5cryptoserviceprovider":
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case "system.security.cryptography.md5":
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case "md5":
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return new MD5CryptoServiceProvider ();
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case "system.security.cryptography.rc2cryptoserviceprovider":
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case "system.security.cryptography.rc2":
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case "rc2":
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return new RC2CryptoServiceProvider ();
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case "system.security.cryptography.symmetricalgorithm":
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case "system.security.cryptography.rijndaelmanaged":
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case "system.security.cryptography.rijndael":
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case "rijndael":
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return new RijndaelManaged ();
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case "system.security.cryptography.ripemd160managed":
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case "system.security.cryptography.ripemd160":
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case "ripemd-160":
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case "ripemd160":
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return new RIPEMD160Managed ();
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case "system.security.cryptography.rngcryptoserviceprovider":
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case "system.security.cryptography.randomnumbergenerator":
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case "randomnumbergenerator":
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return new RNGCryptoServiceProvider ();
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case "system.security.cryptography.asymmetricalgorithm":
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case "system.security.cryptography.rsa":
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case "rsa":
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return new RSACryptoServiceProvider ();
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case "system.security.cryptography.rsapkcs1signaturedeformatter":
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return new RSAPKCS1SignatureDeformatter ();
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case "system.security.cryptography.rsapkcs1signatureformatter":
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return new RSAPKCS1SignatureFormatter ();
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case "system.security.cryptography.rsapkcs1sha1signaturedescription":
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case "http://www.w3.org/2000/09/xmldsig#rsa-sha1":
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return new RSAPKCS1SHA1SignatureDescription ();
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case "system.security.cryptography.rsapkcs1sha256signaturedescription":
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case "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256":
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return new RSAPKCS1SHA256SignatureDescription ();
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case "system.security.cryptography.rsapkcs1sha384signaturedescription":
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case "http://www.w3.org/2001/04/xmldsig-more#rsa-sha384":
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return new RSAPKCS1SHA384SignatureDescription ();
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case "system.security.cryptography.rsapkcs1sha512signaturedescription":
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case "http://www.w3.org/2001/04/xmldsig-more#rsa-sha512":
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return new RSAPKCS1SHA512SignatureDescription ();
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case "system.security.cryptography.hashalgorithm":
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case "system.security.cryptography.sha1":
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case "system.security.cryptography.sha1cryptoserviceprovider":
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case "sha1":
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case "system.security.cryptography.sha1cng":
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case "sha":
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case "http://www.w3.org/2000/09/xmldsig#sha1":
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return new SHA1CryptoServiceProvider ();
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case "system.security.cryptography.sha1managed":
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return new SHA1Managed ();
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case "system.security.cryptography.sha256managed":
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case "system.security.cryptography.sha256":
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case "system.security.cryptography.sha256cryptoserviceprovider":
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case "system.security.cryptography.sha256cng":
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case "sha256":
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case "sha-256":
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case "http://www.w3.org/2001/04/xmlenc#sha256":
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return new SHA256Managed ();
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case "system.security.cryptography.sha384managed":
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case "system.security.cryptography.sha384":
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case "system.security.cryptography.sha384cryptoserviceprovider":
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case "system.security.cryptography.sha384cng":
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case "sha384":
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case "sha-384":
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case "http://www.w3.org/2001/04/xmldsig-more#sha384":
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return new SHA384Managed ();
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case "system.security.cryptography.sha512managed":
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case "system.security.cryptography.sha512":
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case "system.security.cryptography.sha512cryptoserviceprovider":
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case "system.security.cryptography.sha512cng":
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case "sha512":
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case "sha-512":
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case "http://www.w3.org/2001/04/xmlenc#sha512":
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return new SHA512Managed ();
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case "system.security.cryptography.tripledescryptoserviceprovider":
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case "system.security.cryptography.tripledes":
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case "triple des":
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case "tripledes":
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case "3des":
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return new TripleDESCryptoServiceProvider ();
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// Use Type.GetType to be linker friendly
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// TODO: This does not work when the assembly is not referenced by the project
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case "x509chain":
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algoClass = Type.GetType ("System.Security.Cryptography.X509Certificates.X509Chain, System");
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break;
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case "2.5.29.15":
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algoClass = Type.GetType ("System.Security.Cryptography.X509Certificates.X509KeyUsageExtension, System");
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break;
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case "2.5.29.19":
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algoClass = Type.GetType ("System.Security.Cryptography.X509Certificates.X509BasicConstraintsExtension, System");
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break;
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case "2.5.29.14":
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algoClass = Type.GetType ("System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension, System");
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break;
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case "2.5.29.37":
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algoClass = Type.GetType ("System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension, System");
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break;
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case "aes":
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#if MONOTOUCH || XAMMAC
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algoClass = Type.GetType ("System.Security.Cryptography.AesManaged, System.Core");
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#else
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algoClass = Type.GetType ("System.Security.Cryptography.AesCryptoServiceProvider, System.Core");
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#endif
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break;
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}
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if (algoClass == null) {
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lock (lockObject) {
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if (algorithms?.TryGetValue (name, out algoClass) == true) {
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try {
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return Activator.CreateInstance (algoClass, args);
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} catch {
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}
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}
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}
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algoClass = Type.GetType (name);
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}
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try {
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// last resort, the request type might be available (if care is taken for the type not to be linked
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// away) and that can allow some 3rd party code to work (e.g. extra algorithms) and make a few more
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// unit tests happy
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return Activator.CreateInstance (algoClass, args);
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} catch {
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// method doesn't throw any exception
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return null;
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}
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}
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internal static string MapNameToOID (string name, object arg)
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{
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return MapNameToOID (name);
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}
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public static string MapNameToOID (string name)
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{
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if (name == null)
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throw new ArgumentNullException ("name");
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switch (name.ToLowerInvariant ()) {
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case "system.security.cryptography.sha1cryptoserviceprovider":
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case "system.security.cryptography.sha1cng":
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case "system.security.cryptography.sha1managed":
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case "system.security.cryptography.sha1":
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case "sha1":
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return "1.3.14.3.2.26";
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case "system.security.cryptography.md5cryptoserviceprovider":
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case "system.security.cryptography.md5":
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case "md5":
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return "1.2.840.113549.2.5";
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case "system.security.cryptography.sha256cryptoserviceprovider":
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case "system.security.cryptography.sha256cng":
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case "system.security.cryptography.sha256managed":
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case "system.security.cryptography.sha256":
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case "sha256":
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return "2.16.840.1.101.3.4.2.1";
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case "system.security.cryptography.sha384cryptoserviceprovider":
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case "system.security.cryptography.sha384cng":
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case "system.security.cryptography.sha384managed":
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case "system.security.cryptography.sha384":
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case "sha384":
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return "2.16.840.1.101.3.4.2.2";
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case "system.security.cryptography.sha512cryptoserviceprovider":
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case "system.security.cryptography.sha512cng":
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case "system.security.cryptography.sha512managed":
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case "system.security.cryptography.sha512":
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case "sha512":
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return "2.16.840.1.101.3.4.2.3";
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case "system.security.cryptography.ripemd160managed":
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case "system.security.cryptography.ripemd160":
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case "ripemd160":
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return "1.3.36.3.2.1";
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case "tripledeskeywrap":
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return "1.2.840.113549.1.9.16.3.6";
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case "des":
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return "1.3.14.3.2.7";
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case "tripledes":
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return "1.2.840.113549.3.7";
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case "rc2":
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return "1.2.840.113549.3.2";
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default:
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return null;
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}
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}
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static void Initialize ()
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{
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algorithms = new Dictionary<string, Type> (StringComparer.OrdinalIgnoreCase);
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}
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}
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}
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#endif
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