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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.IdentityModel.Tokens
{
using System.Globalization;
sealed public class EncryptedKeyIdentifierClause : BinaryKeyIdentifierClause
{
readonly string carriedKeyName;
readonly string encryptionMethod;
readonly SecurityKeyIdentifier encryptingKeyIdentifier;
public EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod)
: this(encryptedKey, encryptionMethod, null)
{
}
public EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod, SecurityKeyIdentifier encryptingKeyIdentifier)
: this(encryptedKey, encryptionMethod, encryptingKeyIdentifier, null)
{
}
public EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod, SecurityKeyIdentifier encryptingKeyIdentifier, string carriedKeyName)
: this(encryptedKey, encryptionMethod, encryptingKeyIdentifier, carriedKeyName, true, null, 0)
{
}
public EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod, SecurityKeyIdentifier encryptingKeyIdentifier, string carriedKeyName, byte[] derivationNonce, int derivationLength)
: this(encryptedKey, encryptionMethod, encryptingKeyIdentifier, carriedKeyName, true, derivationNonce, derivationLength)
{
}
internal EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod, SecurityKeyIdentifier encryptingKeyIdentifier, string carriedKeyName, bool cloneBuffer, byte[] derivationNonce, int derivationLength)
: base("http://www.w3.org/2001/04/xmlenc#EncryptedKey", encryptedKey, cloneBuffer, derivationNonce, derivationLength)
{
if (encryptionMethod == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("encryptionMethod");
}
this.carriedKeyName = carriedKeyName;
this.encryptionMethod = encryptionMethod;
this.encryptingKeyIdentifier = encryptingKeyIdentifier;
}
public string CarriedKeyName
{
get { return this.carriedKeyName; }
}
public SecurityKeyIdentifier EncryptingKeyIdentifier
{
get { return this.encryptingKeyIdentifier; }
}
public string EncryptionMethod
{
get { return this.encryptionMethod; }
}
public override bool Matches(SecurityKeyIdentifierClause keyIdentifierClause)
{
EncryptedKeyIdentifierClause that = keyIdentifierClause as EncryptedKeyIdentifierClause;
// PreSharp Bug: Parameter 'that' to this public method must be validated: A null-dereference can occur here.
#pragma warning suppress 56506
return ReferenceEquals(this, that) || (that != null && that.Matches(this.GetRawBuffer(), this.encryptionMethod, this.carriedKeyName));
}
public bool Matches(byte[] encryptedKey, string encryptionMethod, string carriedKeyName)
{
return Matches(encryptedKey) && this.encryptionMethod == encryptionMethod && this.carriedKeyName == carriedKeyName;
}
public byte[] GetEncryptedKey()
{
return GetBuffer();
}
public override string ToString()
{
return string.Format(CultureInfo.InvariantCulture, "EncryptedKeyIdentifierClause(EncryptedKey = {0}, Method '{1}')",
Convert.ToBase64String(GetRawBuffer()), this.EncryptionMethod);
}
}
}
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