HMACSHA384.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 / clr / src / BCL / System / Security / Cryptography / HMACSHA384.cs / 1305376 / HMACSHA384.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// [....]
// 
 
//
// HMACSHA384.cs 
//

namespace System.Security.Cryptography {
    [System.Runtime.InteropServices.ComVisible(true)] 
    public class HMACSHA384 : HMAC {
 
        private bool m_useLegacyBlockSize = Utils._ProduceLegacyHmacValues(); 

        // 
        // public constructors
        //

        public HMACSHA384 () : this (Utils.GenerateRandom(128)) {} 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public HMACSHA384 (byte[] key) { 
            m_hashName = "SHA384";
            m_hash1 = new SHA384Managed(); 
            m_hash2 = new SHA384Managed();
            HashSizeValue = 384;
            BlockSizeValue = BlockSize;
            base.InitializeKey(key); 
        }
 
        private int BlockSize { 
            get { return m_useLegacyBlockSize ? 64 : 128; }
        } 

        // See code:System.Security.Cryptography.HMACSHA512.ProduceLegacyHmacValues
        public bool ProduceLegacyHmacValues {
            get { return m_useLegacyBlockSize; } 

            set { 
                m_useLegacyBlockSize = value; 

                BlockSizeValue = BlockSize; 
                InitializeKey(KeyValue);
            }
        }
    } 
}

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

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK