93 lines
4.3 KiB
C#
93 lines
4.3 KiB
C#
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//----------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace System.ServiceModel
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{
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using System;
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using System.IdentityModel.Claims;
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using System.IdentityModel.Policy;
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using System.Security.Cryptography;
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using System.Security.Cryptography.X509Certificates;
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using System.ServiceModel.Security;
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using System.Xml;
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using System.Xml.Serialization;
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public class RsaEndpointIdentity : EndpointIdentity
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{
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public RsaEndpointIdentity(string publicKey)
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{
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if (publicKey == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("publicKey");
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base.Initialize(Claim.CreateRsaClaim(ToRsa(publicKey)));
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}
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public RsaEndpointIdentity(X509Certificate2 certificate)
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{
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if (certificate == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("certificate");
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#pragma warning suppress 56506 // A Certificate Public key can never be null.
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RSA rsa = certificate.PublicKey.Key as RSA;
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if (rsa == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.PublicKeyNotRSA)));
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base.Initialize(Claim.CreateRsaClaim(rsa));
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}
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public RsaEndpointIdentity(Claim identity)
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{
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if (identity == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("identity");
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// PreSharp Bug: Parameter 'identity.ClaimType' to this public method must be validated: A null-dereference can occur here.
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#pragma warning suppress 56506 // Claim.ClaimType will never return null
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if (!identity.ClaimType.Equals(ClaimTypes.Rsa))
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.UnrecognizedClaimTypeForIdentity, identity.ClaimType, ClaimTypes.Rsa));
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base.Initialize(identity);
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}
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internal RsaEndpointIdentity(XmlDictionaryReader reader)
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{
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reader.ReadStartElement(XD.XmlSignatureDictionary.RsaKeyValue, XD.XmlSignatureDictionary.Namespace);
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byte[] modulus = Convert.FromBase64String(reader.ReadElementString(XD.XmlSignatureDictionary.Modulus.Value, XD.XmlSignatureDictionary.Namespace.Value));
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byte[] exponent = Convert.FromBase64String(reader.ReadElementString(XD.XmlSignatureDictionary.Exponent.Value, XD.XmlSignatureDictionary.Namespace.Value));
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reader.ReadEndElement();
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RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
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RSAParameters parameters = new RSAParameters();
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parameters.Exponent = exponent;
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parameters.Modulus = modulus;
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rsa.ImportParameters(parameters);
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base.Initialize(Claim.CreateRsaClaim(rsa));
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}
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internal override void WriteContentsTo(XmlDictionaryWriter writer)
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{
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if (writer == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("writer");
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writer.WriteStartElement(XD.XmlSignatureDictionary.Prefix.Value, XD.XmlSignatureDictionary.KeyInfo, XD.XmlSignatureDictionary.Namespace);
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writer.WriteStartElement(XD.XmlSignatureDictionary.Prefix.Value, XD.XmlSignatureDictionary.RsaKeyValue, XD.XmlSignatureDictionary.Namespace);
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RSA rsa = (RSA)this.IdentityClaim.Resource;
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RSAParameters parameters = rsa.ExportParameters(false);
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writer.WriteElementString(XD.XmlSignatureDictionary.Prefix.Value, XD.XmlSignatureDictionary.Modulus, XD.XmlSignatureDictionary.Namespace, Convert.ToBase64String(parameters.Modulus));
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writer.WriteElementString(XD.XmlSignatureDictionary.Prefix.Value, XD.XmlSignatureDictionary.Exponent, XD.XmlSignatureDictionary.Namespace, Convert.ToBase64String(parameters.Exponent));
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writer.WriteEndElement();
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writer.WriteEndElement();
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}
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static RSA ToRsa(string keyString)
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{
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if (keyString == null)
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("keyString");
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RSA rsa = new RSACryptoServiceProvider();
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rsa.FromXmlString(keyString);
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return rsa;
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}
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}
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}
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