MD5麻隈議T-SQL糞(FOR SQL2000)匯

恬宀魂始 栖坿 晩豚2005-11-1

/*****************************************************************************
* Name: T-SQL MD5麻隈糞
* Author: Rambo Qian
* Create Date: 2003-04-10
* Last Modified by: Rambo Qian
* Last Update Date: 2003-04-16
* Version: V1.0.00
*****************************************************************************/
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_m_OnBits]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_m_OnBits]
GO
/*****************************************************************************
* Name: MD5_m_OnBits
* Description: 械方怏
*****************************************************************************/
CREATE FUNCTION dbo.MD5_m_OnBits(
  @i  TINYINT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  DECLARE @iRes  INT
  SELECT @iRes =
    CASE @i
      WHEN 0 THEN 1      -- 00000000000000000000000000000001
      WHEN 1 THEN 3      -- 00000000000000000000000000000011
      WHEN 2 THEN 7      -- 00000000000000000000000000000111
      WHEN 3 THEN 15      -- 00000000000000000000000000001111
      WHEN 4 THEN 31      -- 00000000000000000000000000011111
      WHEN 5 THEN 63      -- 00000000000000000000000000111111
      WHEN 6 THEN 127     -- 00000000000000000000000001111111
      WHEN 7 THEN 255     -- 00000000000000000000000011111111
      WHEN 8 THEN 511     -- 00000000000000000000000111111111
      WHEN 9 THEN 1023     -- 00000000000000000000001111111111
      WHEN 10 THEN 2047     -- 00000000000000000000011111111111
      WHEN 11 THEN 4095     -- 00000000000000000000111111111111
      WHEN 12 THEN 8191     -- 00000000000000000001111111111111
      WHEN 13 THEN 16383    -- 00000000000000000011111111111111
      WHEN 14 THEN 32767    -- 00000000000000000111111111111111
      WHEN 15 THEN 65535    -- 00000000000000001111111111111111
      WHEN 16 THEN 131071    -- 00000000000000011111111111111111
      WHEN 17 THEN 262143    -- 00000000000000111111111111111111
      WHEN 18 THEN 524287    -- 00000000000001111111111111111111
      WHEN 19 THEN 1048575   -- 00000000000011111111111111111111
      WHEN 20 THEN 2097151   -- 00000000000111111111111111111111
      WHEN 21 THEN 4194303   -- 00000000001111111111111111111111
      WHEN 22 THEN 8388607   -- 00000000011111111111111111111111
      WHEN 23 THEN 16777215   -- 00000000111111111111111111111111
      WHEN 24 THEN 33554431   -- 00000001111111111111111111111111
      WHEN 25 THEN 67108863   -- 00000011111111111111111111111111
      WHEN 26 THEN 134217727  -- 00000111111111111111111111111111
      WHEN 27 THEN 268435455  -- 00001111111111111111111111111111
      WHEN 28 THEN 536870911  -- 00011111111111111111111111111111
      WHEN 29 THEN 1073741823  -- 00111111111111111111111111111111
      WHEN 30 THEN 2147483647  -- 01111111111111111111111111111111
      ELSE 0
    END
  RETURN(@iRes)
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_m_2Power]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_m_2Power]
GO
/*****************************************************************************
* Name: MD5_m_2Power
* Description: 械方怏
*****************************************************************************/
CREATE FUNCTION dbo.MD5_m_2Power(
  @i  TINYINT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  DECLARE @iRes  INT
  SELECT @iRes =
    CASE @i
      WHEN 0 THEN 1      -- 00000000000000000000000000000001
      WHEN 1 THEN 2      -- 00000000000000000000000000000010
      WHEN 2 THEN 4      -- 00000000000000000000000000000100
      WHEN 3 THEN 8      -- 00000000000000000000000000001000
      WHEN 4 THEN 16      -- 00000000000000000000000000010000
      WHEN 5 THEN 32      -- 00000000000000000000000000100000
      WHEN 6 THEN 64      -- 00000000000000000000000001000000
      WHEN 7 THEN 128     -- 00000000000000000000000010000000
      WHEN 8 THEN 256     -- 00000000000000000000000100000000
      WHEN 9 THEN 512     -- 00000000000000000000001000000000
      WHEN 10 THEN 1024     -- 00000000000000000000010000000000
      WHEN 11 THEN 2048     -- 00000000000000000000100000000000
      WHEN 12 THEN 4096     -- 00000000000000000001000000000000
      WHEN 13 THEN 8192     -- 00000000000000000010000000000000
      WHEN 14 THEN 16384    -- 00000000000000000100000000000000
      WHEN 15 THEN 32768    -- 00000000000000001000000000000000
      WHEN 16 THEN 65536    -- 00000000000000010000000000000000
      WHEN 17 THEN 131072    -- 00000000000000100000000000000000
      WHEN 18 THEN 262144    -- 00000000000001000000000000000000
      WHEN 19 THEN 524288    -- 00000000000010000000000000000000
      WHEN 20 THEN 1048576   -- 00000000000100000000000000000000
      WHEN 21 THEN 2097152   -- 00000000001000000000000000000000
      WHEN 22 THEN 4194304   -- 00000000010000000000000000000000
      WHEN 23 THEN 8388608   -- 00000000100000000000000000000000
      WHEN 24 THEN 16777216   -- 00000001000000000000000000000000
      WHEN 25 THEN 33554432   -- 00000010000000000000000000000000
      WHEN 26 THEN 67108864   -- 00000100000000000000000000000000
      WHEN 27 THEN 134217728  -- 00001000000000000000000000000000
      WHEN 28 THEN 268435456  -- 00010000000000000000000000000000
      WHEN 29 THEN 536870912  -- 00100000000000000000000000000000
      WHEN 30 THEN 1073741824  -- 01000000000000000000000000000000
      ELSE 0
    END
  RETURN(@iRes)
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_LShift]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_LShift]
GO
/*****************************************************************************
* Name: MD5_LShift
* Description: MD5_LShift
*****************************************************************************/
CREATE FUNCTION dbo.MD5_LShift(
   @iValue    INT
  ,@iShiftBits  TINYINT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  DECLARE @iRes  BIGINT
  SET @iRes = CAST(@iValue AS BINARY(8))
  SET @iRes = @iRes * dbo.MD5_m_2Power(@iShiftBits)
  RETURN(CAST(@iRes & 0x00000000FFFFFFFF AS BINARY(4)))
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_RShift]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_RShift]
GO
/*****************************************************************************
* Name: MD5_RShift
* Description: MD5_RShift
*****************************************************************************/
CREATE FUNCTION dbo.MD5_RShift(
   @iValue    INT
  ,@iShiftBits  TINYINT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  DECLARE @iRes  BIGINT
  SET @iRes = CAST(@iValue AS BINARY(8))
  SET @iRes = @iRes / dbo.MD5_m_2Power(@iShiftBits)
  RETURN(CAST(@iRes & 0x00000000FFFFFFFF AS BINARY(4)))
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_RotateLeft]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_RotateLeft]
GO
/*****************************************************************************
* Name: MD5_RotateLeft
* Description: MD5_RotateLeft
*****************************************************************************/
CREATE FUNCTION dbo.MD5_RotateLeft(
   @iValue    INT
  ,@iShiftBits  TINYINT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  RETURN(dbo.MD5_LShift(@iValue, @iShiftBits) | dbo.MD5_RShift(@iValue, (32 - @iShiftBits)))
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_AddUnsigned]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_AddUnsigned]
GO
/*****************************************************************************
* Name: MD5_AddUnsigned
* Description: MD5_AddUnsigned
*****************************************************************************/
CREATE FUNCTION dbo.MD5_AddUnsigned(
   @iX    INT
  ,@iY    INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  DECLARE @iRes  BIGINT
  SET @iRes = CAST(CAST(@iX AS BINARY(8)) AS BIGINT) + CAST(CAST(@iY AS BINARY(8)) AS BIGINT)
  RETURN(CAST(@iRes & 0x00000000FFFFFFFF AS BINARY(4)))
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_F]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_F]
GO
/*****************************************************************************
* Name: MD5_F
* Description: MD5_F
*****************************************************************************/
CREATE FUNCTION dbo.MD5_F(
   @x    INT
  ,@y    INT
  ,@z    INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  RETURN((@x & @y) | ((~@x) & @z))
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_G]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_G]
GO
/*****************************************************************************
* Name: MD5_G
* Description: MD5_G
*****************************************************************************/
CREATE FUNCTION dbo.MD5_G(
   @x    INT
  ,@y    INT
  ,@z    INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  RETURN((@x & @z) | (@y & (~@z)))
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_H]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_H]
GO
/*****************************************************************************
* Name: MD5_H
* Description: MD5_H
*****************************************************************************/
CREATE FUNCTION dbo.MD5_H(
   @x    INT
  ,@y    INT
  ,@z    INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  RETURN(@x ^ @y ^ @z)
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_I]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_I]
GO
/*****************************************************************************
* Name: MD5_I
* Description: MD5_I
*****************************************************************************/
CREATE FUNCTION dbo.MD5_I(
   @x    INT
  ,@y    INT
  ,@z    INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  RETURN(@y ^ (@x | (~@z)))
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_FF]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_FF]
GO
/*****************************************************************************
* Name: MD5_FF
* Description: MD5_FF
*****************************************************************************/
CREATE FUNCTION dbo.MD5_FF(
   @a    INT
  ,@b    INT
  ,@c    INT
  ,@d    INT
  ,@x    INT
  ,@s   INT
  ,@ac  INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  SET @a = dbo.MD5_AddUnsigned(@a, dbo.MD5_AddUnsigned(dbo.MD5_AddUnsigned(dbo.MD5_F(@b, @c, @d), @x), @ac))
  SET @a = dbo.MD5_RotateLeft(@a, @s)
  SET @a = dbo.MD5_AddUnsigned(@a, @b)
  RETURN(@a)
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_GG]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_GG]
GO
/*****************************************************************************
* Name: MD5_GG
* Description: MD5_GG
*****************************************************************************/
CREATE FUNCTION dbo.MD5_GG(
   @a    INT
  ,@b    INT
  ,@c    INT
  ,@d    INT
  ,@x    INT
  ,@s   INT
  ,@ac  INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  SET @a = dbo.MD5_AddUnsigned(@a, dbo.MD5_AddUnsigned(dbo.MD5_AddUnsigned(dbo.MD5_G(@b, @c, @d), @x), @ac))
  SET @a = dbo.MD5_RotateLeft(@a, @s)
  SET @a = dbo.MD5_AddUnsigned(@a, @b)
  RETURN(@a)
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_HH]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_HH]
GO
/*****************************************************************************
* Name: MD5_HH
* Description: MD5_HH
*****************************************************************************/
CREATE FUNCTION dbo.MD5_HH(
   @a    INT
  ,@b    INT
  ,@c    INT
  ,@d    INT
  ,@x    INT
  ,@s   INT
  ,@ac  INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  SET @a = dbo.MD5_AddUnsigned(@a, dbo.MD5_AddUnsigned(dbo.MD5_AddUnsigned(dbo.MD5_H(@b, @c, @d), @x), @ac))
  SET @a = dbo.MD5_RotateLeft(@a, @s)
  SET @a = dbo.MD5_AddUnsigned(@a, @b)
  RETURN(@a)
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_II]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_II]
GO
/*****************************************************************************
* Name: MD5_II
* Description: MD5_II
*****************************************************************************/
CREATE FUNCTION dbo.MD5_II(
   @a    INT
  ,@b    INT
  ,@c    INT
  ,@d    INT
  ,@x    INT
  ,@s   INT
  ,@ac  INT
)
RETURNS INT
WITH ENCRYPTION
AS
BEGIN
  SET @a = dbo.MD5_AddUnsigned(@a, dbo.MD5_AddUnsigned(dbo.MD5_AddUnsigned(dbo.MD5_I(@b, @c, @d), @x), @ac))
  SET @a = dbo.MD5_RotateLeft(@a, @s)
  SET @a = dbo.MD5_AddUnsigned(@a, @b)
  RETURN(@a)
END
GO

 

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