EncryptedKeyIdentifierClause.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Tokens / EncryptedKeyIdentifierClause.cs / 1305376 / EncryptedKeyIdentifierClause.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 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);
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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