SHA2

Description

The information is digested using SHA2.

Syntax

SHA2( <str>, <digest_length>)

Parameters

parameter	description
<str>	Content to be encrypted
<digest_length>	Summary length, supports 224, 256, 384, 512

Return Value

Returns the sha2 value of the input string

Examples

select sha2('abc', 224), sha2('abc', 384), sha2(NULL, 512);

+----------------------------------------------------------+--------------------------------------------------------------------------------------------------+-----------------+
| sha2('abc', 224)                                         | sha2('abc', 384)                                                                                 | sha2(NULL, 512) |
+----------------------------------------------------------+--------------------------------------------------------------------------------------------------+-----------------+
| 23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7 | cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7 | NULL            |
+----------------------------------------------------------+--------------------------------------------------------------------------------------------------+-----------------+