在sql server中对现有数据进行md5加密

psuo 2007-12-06 01:31:06
在sql server中对现有数据进行md5加密

用户数据库中密码是明码现在想改用MD5加密方式,现在数据库里面有2万多条记录。
请问:SQL SERVER里面有没有函数可以对某个字段的所有数据库进行MD5加密的?
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-狙击手- 2007-12-06
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哥们,你的QQ太好了,我眼红了呀
psuo 2007-12-06
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加你的QQ了,请通过以下。谢谢
-狙击手- 2007-12-06
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上传不了,加我的QQ:184947580
ojuju10 2007-12-06
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看不懂哦!能不能说更清楚一些。谢谢

---------------
Md5函数,有10多个函数,一般人看不懂的,也没有必要看懂
ojuju10 2007-12-06
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网上有数据库MD5加密的函数,不过一般是前台程序加密后,保存到数据库中去的
-狙击手- 2007-12-06
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这儿上传后怎么这样了呀?

我上传到我的资源中吧
加点例你看看
psuo 2007-12-06
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看不懂哦!能不能说更清楚一些。谢谢
-狙击手- 2007-12-06
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    SELECT @b = dbo.MD5_HH(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 2), @S34, 0xC4AC5665)

    SELECT @a = dbo.MD5_II(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 0), @S41, 0xF4292244)
    SELECT @d = dbo.MD5_II(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 7), @S42, 0x432AFF97)
    SELECT @c = dbo.MD5_II(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 14), @S43, 0xAB9423A7)
    SELECT @b = dbo.MD5_II(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 5), @S44, 0xFC93A039)
    SELECT @a = dbo.MD5_II(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 12), @S41, 0x655B59C3)
    SELECT @d = dbo.MD5_II(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 3), @S42, 0x8F0CCC92)
    SELECT @c = dbo.MD5_II(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 10), @S43, 0xFFEFF47D)
    SELECT @b = dbo.MD5_II(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 1), @S44, 0x85845DD1)
    SELECT @a = dbo.MD5_II(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 8), @S41, 0x6FA87E4F)
    SELECT @d = dbo.MD5_II(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 15), @S42, 0xFE2CE6E0)
    SELECT @c = dbo.MD5_II(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 6), @S43, 0xA3014314)
    SELECT @b = dbo.MD5_II(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 13), @S44, 0x4E0811A1)
    SELECT @a = dbo.MD5_II(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 4), @S41, 0xF7537E82)
    SELECT @d = dbo.MD5_II(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 11), @S42, 0xBD3AF235)
    SELECT @c = dbo.MD5_II(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 2), @S43, 0x2AD7D2BB)
    SELECT @b = dbo.MD5_II(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 9), @S44, 0xEB86D391)

    SET @a = dbo.MD5_AddUnsigned(@a, @AA)
    SET @b = dbo.MD5_AddUnsigned(@b, @BB)
    SET @c = dbo.MD5_AddUnsigned(@c, @CC)
    SET @d = dbo.MD5_AddUnsigned(@d, @DD)

    SET @iWordArrayCount = @iWordArrayCount + 16
  END

  SET @sRes = dbo.MD5_WordToHex(@a) + dbo.MD5_WordToHex(@b) + dbo.MD5_WordToHex(@c) + dbo.MD5_WordToHex(@d)
  SET @sRes = LOWER(@sRes)
  RETURN(@sRes)
END
GO

--Test
set nocount on
select dbo.MD5('') as 'MD5('''')'
union
select 'd41d8cd98f00b204e9800998ecf8427e'

select dbo.MD5('a') as 'MD5(''a'')'
union
select '0cc175b9c0f1b6a831c399e269772661'

select dbo.MD5('abc') as 'MD5(''abc'')'
union
select '900150983cd24fb0d6963f7d28e17f72'

select dbo.MD5('message digest') as 'MD5(''message digest'')'
union
select 'f96b697d7cb7938d525a2f31aaf161d0'

select dbo.MD5('abcdefghijklmnopqrstuvwxyz') as 'MD5(''abcdefghijklmnopqrstuvwxyz'')'
union
select 'c3fcd3d76192e4007dfb496cca67e13b'

select dbo.MD5('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789') as 'MD5(''ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'')'
union
select 'd174ab98d277d9f5a5611c2c9f419d9f'

select dbo.MD5('12345678901234567890123456789012345678901234567890123456789012345678901234567890') as 'MD5(''12345678901234567890123456789012345678901234567890123456789012345678901234567890'')'
union
select '57edf4a22be3c955ac49da2e2107b67a'

select dbo.MD5('我') as 'MD5(''我'')'
union
select 'a31d0f25367ebe046897f8a939ca4a9f'
-狙击手- 2007-12-06
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/*****************************************************************************
* Name: MD5
* Description: MD5
*****************************************************************************/
CREATE FUNCTION dbo.MD5(
   @sOrigMess  NVARCHAR(4000)
)
RETURNS CHAR(32)
WITH ENCRYPTION
AS
BEGIN
  --====================================
  DECLARE @S11 TINYINT
  DECLARE @S12 TINYINT
  DECLARE @S13 TINYINT
  DECLARE @S14 TINYINT
  DECLARE @S21 TINYINT
  DECLARE @S22 TINYINT
  DECLARE @S23 TINYINT
  DECLARE @S24 TINYINT
  DECLARE @S31 TINYINT
  DECLARE @S32 TINYINT
  DECLARE @S33 TINYINT
  DECLARE @S34 TINYINT
  DECLARE @S41 TINYINT
  DECLARE @S42 TINYINT
  DECLARE @S43 TINYINT
  DECLARE @S44 TINYINT

  SELECT @S11 = 7, @S12 = 12, @S13 = 17, @S14 = 22
  SELECT @S21 = 5, @S22 = 9, @S23 = 14, @S24 = 20
  SELECT @S31 = 4, @S32 = 11, @S33 = 16, @S34 = 23
  SELECT @S41 = 6, @S42 = 10, @S43 = 15, @S44 = 21
  --====================================
  DECLARE @a INT
  DECLARE @b INT
  DECLARE @c INT
  DECLARE @d INT
  DECLARE @AA  INT
  DECLARE @BB  INT
  DECLARE @CC  INT
  DECLARE @DD  INT

  SELECT  @a = 0x67452301
      ,@b = 0xEFCDAB89
      ,@c = 0x98BADCFE
      ,@d = 0x10325476
  --====================================
  DECLARE @sRes  VARCHAR(32)
  SET @sRes = ''
  DECLARE @iWordArrayLen    INT
  DECLARE @iWordArrayCount  INT

  DECLARE @tTmp TABLE([ID] INT, [Word] INT)
  INSERT INTO @tTmp SELECT * FROM dbo.MD5_ConvertToWordArray(@sOrigMess)
  SELECT @iWordArrayCount=0, @iWordArrayLen = COUNT(*) FROM @tTmp

  WHILE(@iWordArrayCount < @iWordArrayLen)
  BEGIN
    SELECT @AA = @a, @BB = @b, @CC = @c, @DD = @d

    SELECT @a = dbo.MD5_FF(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 0), @S11, 0xD76AA478)
    SELECT @d = dbo.MD5_FF(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 1), @S12, 0xE8C7B756)
    SELECT @c = dbo.MD5_FF(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 2), @S13, 0x242070DB)
    SELECT @b = dbo.MD5_FF(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 3), @S14, 0xC1BDCEEE)
    SELECT @a = dbo.MD5_FF(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 4), @S11, 0xF57C0FAF)
    SELECT @d = dbo.MD5_FF(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 5), @S12, 0x4787C62A)
    SELECT @c = dbo.MD5_FF(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 6), @S13, 0xA8304613)
    SELECT @b = dbo.MD5_FF(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 7), @S14, 0xFD469501)
    SELECT @a = dbo.MD5_FF(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 8), @S11, 0x698098D8)
    SELECT @d = dbo.MD5_FF(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 9), @S12, 0x8B44F7AF)
    SELECT @c = dbo.MD5_FF(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 10), @S13, 0xFFFF5BB1)
    SELECT @b = dbo.MD5_FF(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 11), @S14, 0x895CD7BE)
    SELECT @a = dbo.MD5_FF(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 12), @S11, 0x6B901122)
    SELECT @d = dbo.MD5_FF(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 13), @S12, 0xFD987193)
    SELECT @c = dbo.MD5_FF(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 14), @S13, 0xA679438E)
    SELECT @b = dbo.MD5_FF(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 15), @S14, 0x49B40821)

    SELECT @a = dbo.MD5_GG(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 1), @S21, 0xF61E2562)
    SELECT @d = dbo.MD5_GG(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 6), @S22, 0xC040B340)
    SELECT @c = dbo.MD5_GG(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 11), @S23, 0x265E5A51)
    SELECT @b = dbo.MD5_GG(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 0), @S24, 0xE9B6C7AA)
    SELECT @a = dbo.MD5_GG(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 5), @S21, 0xD62F105D)
    SELECT @d = dbo.MD5_GG(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 10), @S22, 0x2441453)
    SELECT @c = dbo.MD5_GG(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 15), @S23, 0xD8A1E681)
    SELECT @b = dbo.MD5_GG(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 4), @S24, 0xE7D3FBC8)
    SELECT @a = dbo.MD5_GG(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 9), @S21, 0x21E1CDE6)
    SELECT @d = dbo.MD5_GG(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 14), @S22, 0xC33707D6)
    SELECT @c = dbo.MD5_GG(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 3), @S23, 0xF4D50D87)
    SELECT @b = dbo.MD5_GG(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 8), @S24, 0x455A14ED)
    SELECT @a = dbo.MD5_GG(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 13), @S21, 0xA9E3E905)
    SELECT @d = dbo.MD5_GG(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 2), @S22, 0xFCEFA3F8)
    SELECT @c = dbo.MD5_GG(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 7), @S23, 0x676F02D9)
    SELECT @b = dbo.MD5_GG(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 12), @S24, 0x8D2A4C8A)

    SELECT @a = dbo.MD5_HH(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 5), @S31, 0xFFFA3942)
    SELECT @d = dbo.MD5_HH(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 8), @S32, 0x8771F681)
    SELECT @c = dbo.MD5_HH(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 11), @S33, 0x6D9D6122)
    SELECT @b = dbo.MD5_HH(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 14), @S34, 0xFDE5380C)
    SELECT @a = dbo.MD5_HH(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 1), @S31, 0xA4BEEA44)
    SELECT @d = dbo.MD5_HH(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 4), @S32, 0x4BDECFA9)
    SELECT @c = dbo.MD5_HH(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 7), @S33, 0xF6BB4B60)
    SELECT @b = dbo.MD5_HH(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 10), @S34, 0xBEBFBC70)
    SELECT @a = dbo.MD5_HH(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 13), @S31, 0x289B7EC6)
    SELECT @d = dbo.MD5_HH(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 0), @S32, 0xEAA127FA)
    SELECT @c = dbo.MD5_HH(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 3), @S33, 0xD4EF3085)
    SELECT @b = dbo.MD5_HH(@b, @c, @d, @a, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 6), @S34, 0x4881D05)
    SELECT @a = dbo.MD5_HH(@a, @b, @c, @d, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 9), @S31, 0xD9D4D039)
    SELECT @d = dbo.MD5_HH(@d, @a, @b, @c, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 12), @S32, 0xE6DB99E5)
    SELECT @c = dbo.MD5_HH(@c, @d, @a, @b, (SELECT [Word] FROM @tTmp WHERE [ID] = @iWordArrayCount + 15), @S33, 0x1FA27CF8)
-狙击手- 2007-12-06
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IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_ConvertToWordArray]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_ConvertToWordArray]
GO
/*****************************************************************************
* Name: MD5_ConvertToWordArray
* Description: MD5_ConvertToWordArray
*****************************************************************************/
CREATE FUNCTION dbo.MD5_ConvertToWordArray(
   @sOrigMess    VARCHAR(8000)  = ''
)
RETURNS @tWordArray TABLE([ID] INT IDENTITY(0,1),[Word] INT)
WITH ENCRYPTION
AS
BEGIN
  IF @sOrigMess IS NULL
    SET @sOrigMess = ''

  DECLARE @iLenOfMess      INT
  DECLARE @iWordArrayLen    INT
  DECLARE @iPosOfWord      INT
  DECLARE @iPosOfMess      INT
  DECLARE @iCountOfWord    INT

  SET @iLenOfMess = LEN(@sOrigMess)
  SET @iWordArrayLen = ((@iLenOfMess + 8)/64 + 1) * 16
  SET @iCountOfWord = 0
  WHILE(@iCountOfWord<@iWordArrayLen)
  BEGIN
    INSERT INTO @tWordArray([Word]) VALUES(0)
    SET @iCountOfWord = @iCountOfWord + 1
  END

  SELECT @iPosOfMess = 0, @iPosOfWord = 0, @iCountOfWord = 0
  WHILE(@iPosOfMess < @iLenOfMess)
  BEGIN
    SELECT @iCountOfWord = @iPosOfMess / 4, @iPosOfWord = @iPosOfMess % 4
    UPDATE @tWordArray
      SET [Word] = [Word] | dbo.MD5_LShift(UNICODE(SUBSTRING(@sOrigMess,@iPosOfMess+1,1)),@iPosOfWord*8)
      WHERE [ID] = @iCountOfWord
    SET @iPosOfMess = @iPosOfMess + 1
  END
  
  SELECT @iCountOfWord = @iPosOfMess / 4, @iPosOfWord = @iPosOfMess % 4
  UPDATE @tWordArray
    SET [Word] = [Word] | dbo.MD5_LShift(0x80,@iPosOfWord*8)
    WHERE [ID] = @iCountOfWord

  UPDATE @tWordArray
    SET [Word] = [Word] | dbo.MD5_LShift(@iLenOfMess,3)
    WHERE [ID] = @iWordArrayLen - 2
  UPDATE @tWordArray
    SET [Word] = [Word] | dbo.MD5_RShift(@iLenOfMess,29)
    WHERE [ID] = @iWordArrayLen - 1
  RETURN
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5_WordToHex]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5_WordToHex]
GO
/*****************************************************************************
* Name: MD5_WordToHex
* Description: MD5_WordToHex
*****************************************************************************/
CREATE FUNCTION dbo.MD5_WordToHex(
   @iValue    INT
)
RETURNS CHAR(8)
WITH ENCRYPTION
AS
BEGIN
  DECLARE @sRes  VARCHAR(8)
  DECLARE @iTmp  INT
  DECLARE @iCount TINYINT

  SELECT @sRes = '', @iCount = 0
  WHILE(@iCount<4)
  BEGIN
    SET @iTmp = dbo.MD5_RShift(@iValue,@iCount*8) & 0x000000FF
    SET @sRes = @sRes + CASE @iTmp / 16 WHEN 0 THEN '0'
                      WHEN 1 THEN '1'
                      WHEN 2 THEN '2'
                      WHEN 3 THEN '3'
                      WHEN 4 THEN '4'
                      WHEN 5 THEN '5'
                      WHEN 6 THEN '6'
                      WHEN 7 THEN '7'
                      WHEN 8 THEN '8'
                      WHEN 9 THEN '9'
                      WHEN 10 THEN 'A'
                      WHEN 11 THEN 'B'
                      WHEN 12 THEN 'C'
                      WHEN 13 THEN 'D'
                      WHEN 14 THEN 'E'
                      WHEN 15 THEN 'F'
                      ELSE '' END
             + CASE @iTmp % 16 WHEN 0 THEN '0'
                      WHEN 1 THEN '1'
                      WHEN 2 THEN '2'
                      WHEN 3 THEN '3'
                      WHEN 4 THEN '4'
                      WHEN 5 THEN '5'
                      WHEN 6 THEN '6'
                      WHEN 7 THEN '7'
                      WHEN 8 THEN '8'
                      WHEN 9 THEN '9'
                      WHEN 10 THEN 'A'
                      WHEN 11 THEN 'B'
                      WHEN 12 THEN 'C'
                      WHEN 13 THEN 'D'
                      WHEN 14 THEN 'E'
                      WHEN 15 THEN 'F'
                      ELSE '' END
    SET @iCount = @iCount + 1
  END
  RETURN(@sRes)
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[MD5]') AND xtype IN(N'FN', N'IF', N'TF'))
  DROP FUNCTION [dbo].[MD5]
GO
-狙击手- 2007-12-06
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select encrypt('原始密码')
select pwdencrypt('原始密码')
select pwdcompare('原始密码','加密后密码')

都是不可逆转的
-狙击手- 2007-12-06
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pwdencrypt(@passwd)

用这个

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