-- Hint: use Ctrl+Enter for SQL autocomplete
elect @@session.block_encryption_mode;
SET @@session.block_encryption_mode = 'aes-256-cbc';
select @@session.block_encryption_mode;
SET @key_str = 'qwer';
SET @init_vector = REPEAT(CHAR(0),16);
SET @crypt_str = 'hPxO5YtjequGwvf2WOd9Kg==';
SET @encrypt_str = 'test';
SELECT TO_BASE64(AES_ENCRYPT(@encrypt_str,@key_str,@init_vector)) AS 'ENC';
SELECT AES_DECRYPT(from_base64(@crypt_str),@key_str,@init_vector) AS 'DEC';
SELECT cast(AES_DECRYPT(from_base64(@crypt_str),@key_str,@init_vector) as char) AS 'DEC';