SM3

描述

计算 SM3 256-bit

语法

SM3( <input> )

参数

参数	说明
<input>	需要被计算 sm3 的值, 接受字符串和二进制类型

返回值

返回输入字符串的 sm3 值

示例

-- vb (VarBinary) 和 vc (VarChar) 插入时使用了相同的字符串.
SELECT * FROM mysql_catalog.binary_test.binary_test;

+------+------------+------+
| id   | vb         | vc   |
+------+------------+------+
|    1 | 0x616263   | abc  |
|    2 | 0x78797A   | xyz  |
|    3 | NULL       | NULL |
+------+------------+------+

SELECT SM3(vb), SM3(vc) FROM mysql_catalog.binary_test.binary_test;

+------------------------------------------------------------------+------------------------------------------------------------------+
| SM3(vb)                                                          | SM3(vc)                                                          |
+------------------------------------------------------------------+------------------------------------------------------------------+
| 66c7f0f462eeedd9d1f2d46bdc10e4e24167c4875cf2f7a2297da02b8f4ba8e0 | 66c7f0f462eeedd9d1f2d46bdc10e4e24167c4875cf2f7a2297da02b8f4ba8e0 |
| 869fff440724014a7e086c8b3680f4cfc6a3390670f6e7755a4f0c43c1c31db6 | 869fff440724014a7e086c8b3680f4cfc6a3390670f6e7755a4f0c43c1c31db6 |
| NULL                                                             | NULL                                                             |
+------------------------------------------------------------------+------------------------------------------------------------------+