SHA1CryptoServiceProvider.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / Cryptography / SHA1CryptoServiceProvider.cs / 1305376 / SHA1CryptoServiceProvider.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// [....]
// 
 
//
// SHA1CryptoServiceProvider.cs 
//

namespace System.Security.Cryptography {
[System.Runtime.InteropServices.ComVisible(true)] 
    public sealed class SHA1CryptoServiceProvider : SHA1
    { 
        [System.Security.SecurityCritical /*auto-generated*/] 
        private SafeHashHandle _safeHashHandle = null;
 
        //
        // public constructors
        //
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public SHA1CryptoServiceProvider() { 
            // _CreateHash will check for failures and throw the appropriate exception 
            _safeHashHandle = Utils.CreateHash(Utils.StaticProvHandle, Constants.CALG_SHA1);
        } 

        [System.Security.SecuritySafeCritical] // overrides public transparent member
        protected override void Dispose(bool disposing)
        { 
            if (_safeHashHandle != null && !_safeHashHandle.IsClosed)
                _safeHashHandle.Dispose(); 
            // call the base class's Dispose 
            base.Dispose(disposing);
        } 

        //
        // public methods
        // 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public override void Initialize() { 
            if (_safeHashHandle != null && !_safeHashHandle.IsClosed)
                _safeHashHandle.Dispose(); 

            // _CreateHash will check for failures and throw the appropriate exception
            _safeHashHandle = Utils.CreateHash(Utils.StaticProvHandle, Constants.CALG_SHA1);
        } 

        [System.Security.SecuritySafeCritical] // overrides protected transparent member 
        protected override void HashCore(byte[] rgb, int ibStart, int cbSize) 
        {
            Utils.HashData(_safeHashHandle, rgb, ibStart, cbSize); 
        }

        [System.Security.SecuritySafeCritical] // overrides protected transparent member
        protected override byte[] HashFinal() 
        {
            return Utils.EndHash(_safeHashHandle); 
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// [....]
// 
 
//
// SHA1CryptoServiceProvider.cs 
//

namespace System.Security.Cryptography {
[System.Runtime.InteropServices.ComVisible(true)] 
    public sealed class SHA1CryptoServiceProvider : SHA1
    { 
        [System.Security.SecurityCritical /*auto-generated*/] 
        private SafeHashHandle _safeHashHandle = null;
 
        //
        // public constructors
        //
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public SHA1CryptoServiceProvider() { 
            // _CreateHash will check for failures and throw the appropriate exception 
            _safeHashHandle = Utils.CreateHash(Utils.StaticProvHandle, Constants.CALG_SHA1);
        } 

        [System.Security.SecuritySafeCritical] // overrides public transparent member
        protected override void Dispose(bool disposing)
        { 
            if (_safeHashHandle != null && !_safeHashHandle.IsClosed)
                _safeHashHandle.Dispose(); 
            // call the base class's Dispose 
            base.Dispose(disposing);
        } 

        //
        // public methods
        // 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public override void Initialize() { 
            if (_safeHashHandle != null && !_safeHashHandle.IsClosed)
                _safeHashHandle.Dispose(); 

            // _CreateHash will check for failures and throw the appropriate exception
            _safeHashHandle = Utils.CreateHash(Utils.StaticProvHandle, Constants.CALG_SHA1);
        } 

        [System.Security.SecuritySafeCritical] // overrides protected transparent member 
        protected override void HashCore(byte[] rgb, int ibStart, int cbSize) 
        {
            Utils.HashData(_safeHashHandle, rgb, ibStart, cbSize); 
        }

        [System.Security.SecuritySafeCritical] // overrides protected transparent member
        protected override byte[] HashFinal() 
        {
            return Utils.EndHash(_safeHashHandle); 
        } 
    }
} 

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

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