前言

• mysql 5.7.31

md5函數加密

mysql> select md5(''); +----------------------------------+ | md5('') | +----------------------------------+ | d41d8cd98f00b204e9800998ecf8427e | +----------------------------------+ 1 row in set (0.02 sec) mysql> select md5('a'); +----------------------------------+ | md5('a') | +----------------------------------+ | 0cc175b9c0f1b6a831c399e269772661 | +----------------------------------+ 1 row in set (0.01 sec) mysql> select md5('12345678901234567890123456789012345678901234567890123456789012345678901234567890'); +-----------------------------------------------------------------------------------------+ | md5('12345678901234567890123456789012345678901234567890123456789012345678901234567890') | +-----------------------------------------------------------------------------------------+ | 57edf4a22be3c955ac49da2e2107b67a | +-----------------------------------------------------------------------------------------+ 1 row in set (0.01 sec)

參考

MD5測試用例

總結

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