SQL des加密算法存储过程
CREATE SYMMETRIC KEY key1 WITH ALGORITHM=DES
ENCRYPTION BY PASSWORD='abc$123'
GO
OPEN SYMMETRIC KEY key1
DECRYPTION BY PASSWORD='abc$123'
DECLARE @str NVARCHAR(100),@Encrypted VARBINARY(MAX)
SET @str=N'要加密的字串'
SELECT @Encrypted=ENCRYPTBYKEY(KEY_GUID('key1'),@str)
SELEcT '加密'=@Encrypted ,'解密'=CAST(DECRYPTBYKEY(@Encrypted) AS NVARCHAR(100))
CLOSE SYMMETRIC KEY key1
GO
DROP SYMMETRIC KEY key1
GO
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