-- -- SHA1 message digest -- SELECT digest('', 'sha1'); SELECT digest('a', 'sha1'); SELECT digest('abc', 'sha1'); SELECT digest('message digest', 'sha1'); SELECT digest('abcdefghijklmnopqrstuvwxyz', 'sha1'); SELECT digest('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', 'sha1'); SELECT digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha1');