BinaryKeyIdentifierClause.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 / BinaryKeyIdentifierClause.cs / 1305376 / BinaryKeyIdentifierClause.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.IdentityModel.Tokens 
{
    using System.Globalization; 
    using HexBinary = System.Runtime.Remoting.Metadata.W3cXsd2001.SoapHexBinary; 

    public abstract class BinaryKeyIdentifierClause : SecurityKeyIdentifierClause 
    {
        readonly byte[] identificationData;

        protected BinaryKeyIdentifierClause(string clauseType, byte[] identificationData, bool cloneBuffer) 
            : this(clauseType, identificationData, cloneBuffer, null, 0)
        { 
        } 

        protected BinaryKeyIdentifierClause(string clauseType, byte[] identificationData, bool cloneBuffer, byte[] derivationNonce, int derivationLength) 
            : base(clauseType, derivationNonce, derivationLength)
        {
            if (identificationData == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("identificationData"));
            } 
            if (identificationData.Length == 0) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("identificationData", SR.GetString(SR.LengthMustBeGreaterThanZero))); 
            }

            if (cloneBuffer)
            { 
                this.identificationData = SecurityUtils.CloneBuffer(identificationData);
            } 
            else 
            {
                this.identificationData = identificationData; 
            }
        }

        public byte[] GetBuffer() 
        {
            return SecurityUtils.CloneBuffer(this.identificationData); 
        } 

        protected byte[] GetRawBuffer() 
        {
            return this.identificationData;
        }
 
        public override bool Matches(SecurityKeyIdentifierClause keyIdentifierClause)
        { 
            BinaryKeyIdentifierClause that = keyIdentifierClause as BinaryKeyIdentifierClause; 

            // 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.identificationData));
        }
 
        public bool Matches(byte[] data)
        { 
            return Matches(data, 0); 
        }
 
        public bool Matches(byte[] data, int offset)
        {
            if (offset < 0)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("offset", SR.GetString(SR.ValueMustBeNonNegative)));
            } 
            return SecurityUtils.MatchesBuffer(this.identificationData, 0, data, offset); 
        }
 
        internal string ToBase64String()
        {
            return Convert.ToBase64String(this.identificationData);
        } 

        internal string ToHexString() 
        { 
            return new HexBinary(this.identificationData).ToString();
        } 
    }
}

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

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