StrongNamePublicKeyBlob.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Security / Permissions / StrongNamePublicKeyBlob.cs / 1 / StrongNamePublicKeyBlob.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// StrongNamePublicKeyBlob.cs
// 
 
namespace System.Security.Permissions
{ 
    using System;
    using SecurityElement = System.Security.SecurityElement;
    using System.Security.Util;
 
[System.Runtime.InteropServices.ComVisible(true)]
    [Serializable] sealed public class StrongNamePublicKeyBlob 
    { 
        internal byte[] PublicKey;
 
        internal StrongNamePublicKeyBlob()
        {
        }
 
        public StrongNamePublicKeyBlob( byte[] publicKey )
        { 
            if (publicKey == null) 
                throw new ArgumentNullException( "PublicKey" );
 
            this.PublicKey = new byte[publicKey.Length];
            Array.Copy( publicKey, 0, this.PublicKey, 0, publicKey.Length );
        }
 
        internal StrongNamePublicKeyBlob( String publicKey )
        { 
            this.PublicKey = Hex.DecodeHexString( publicKey ); 
        }
 
        private static bool CompareArrays( byte[] first, byte[] second )
        {
            if (first.Length != second.Length)
            { 
                return false;
            } 
 
            int count = first.Length;
            for (int i = 0; i < count; ++i) 
            {
                if (first[i] != second[i])
                    return false;
            } 

            return true; 
        } 

 
        internal bool Equals( StrongNamePublicKeyBlob blob )
        {
            if (blob == null)
                return false; 
            else
                return CompareArrays( this.PublicKey, blob.PublicKey ); 
        } 

        public override bool Equals( Object obj ) 
        {
            if (obj == null || !(obj is StrongNamePublicKeyBlob))
                return false;
 
            return this.Equals( (StrongNamePublicKeyBlob)obj );
        } 
 
        static private int GetByteArrayHashCode( byte[] baData )
        { 
            if (baData == null)
                return 0;

            int accumulator = 0; 

            for (int i = 0; i < baData.Length; ++i) 
            { 
                accumulator = (accumulator << 8) ^ (int)baData[i] ^ (accumulator >> 24);
            } 

            return accumulator;
        }
 
        public override int GetHashCode()
        { 
            return GetByteArrayHashCode( PublicKey ); 
        }
 
        public override String ToString()
        {
            return Hex.EncodeHexString( PublicKey );
        } 
    }
}

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