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SHA2

SHA2​

description​

Use SHA2 to digest the message.

Syntax​

SHA2(str, digest_length)

Arguments​

  • str: content to be encrypted
  • digest_length: the length of the digest. Support 224, 256, 384, 512

example​

mysql> select sha2('abc', 224);
+----------------------------------------------------------+
| sha2('abc', 224) |
+----------------------------------------------------------+
| 23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7 |
+----------------------------------------------------------+
1 row in set (0.13 sec)

mysql> select sha2('abc', 384);
+--------------------------------------------------------------------------------------------------+
| sha2('abc', 384) |
+--------------------------------------------------------------------------------------------------+
| cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7 |
+--------------------------------------------------------------------------------------------------+
1 row in set (0.13 sec)

mysql> select sha2(NULL, 512);
+-----------------+
| sha2(NULL, 512) |
+-----------------+
| NULL |
+-----------------+
1 row in set (0.09 sec)

keywords​

SHA2, SHA224, SHA256, SHA384, SHA512