--echo #
--echo # MDEV-31474 KDF() function
--echo #
select hex(kdf('foo', 'bar'));
select hex(kdf('foo', 'bar')); # same result every time
select hex(kdf('faa', 'bar'));
select hex(kdf('foo', 'bor'));

select hex(kdf('foo', 'bar', 10));
select hex(kdf('foo', 'bar', 11));

select hex(kdf('foo', 'bar', 'info', 'hkdf'));
select hex(kdf('foo', 'bar', 'infa', 'hkdf'));
select hex(kdf('foo', 'bar', 'info', 'pbkdf2_hmac'));
select hex(kdf('foo', 'bar', -1, 'pbkdf2_hmac'));
select hex(kdf('foo', 'bar',  0, 'pbkdf2_hmac'));
select hex(kdf('foo', 'bar',  1, 'pbkdf2_hmac'));
select hex(kdf('foo', 'bar', 10, 'pbkdf2_hmac'));

select hex(kdf(NULL, 'bar'));
select hex(kdf('foo', NULL));
select hex(kdf('foo', 'bar', NULL, 'hkdf'));
select hex(kdf('foo', 'bar', NULL, 'pbkdf2_hmac'));
select hex(kdf('foo', 'bar', 2000, NULL));
select hex(kdf('foo', 'bar', 2000, 'foo'));
select hex(kdf('foo', 'bar', 2000, '\n\n\n\0!!!'));
select hex(kdf('foo', 'bar', 1000, 'pbkdf2_hmac', NULL));
select hex(kdf('foo', 'bar', 1000, 'pbkdf2_hmac', -8));
select hex(kdf('foo', 'bar', 1000, 'pbkdf2_hmac', 10));
select hex(kdf('foo', 'bar', 1000, 'pbkdf2_hmac', 16));

set @@block_encryption_mode='aes-192-cbc';
select hex(kdf('foo', 'bar', 'info', 'hkdf'));
select hex(kdf('foo', 'bar', 'info', 'hkdf', 256));
select hex(kdf('foo', 'bar', 2000, 'pbkdf2_hmac'));
select hex(kdf('foo', 'bar', 2000, 'pbkdf2_hmac', 256));

set @key=kdf('password', 'salt', 2048);
select hex(aes_encrypt('secret', @key, '1234123412341234'));
select aes_decrypt(x'9EED553CDDEE426D5635EF559E015ECA', @key, '1234123412341234');

select length(kdf('foo', 'bar', 'info', 'hkdf', -1));
select length(kdf('foo', 'bar', 'info', 'hkdf', 0));
select length(kdf('foo', 'bar', 'info', 'hkdf', 32768));
select length(kdf('foo', 'bar', 'info', 'hkdf', 65536));
select length(kdf('foo', 'bar', 'info', 'hkdf', 65537));

select length(kdf('foo', 'bar', 100, 'pbkdf2_hmac', -1));
select length(kdf('foo', 'bar', 100, 'pbkdf2_hmac', 0));
select length(kdf('foo', 'bar', 100, 'pbkdf2_hmac', 32768));
select length(kdf('foo', 'bar', 100, 'pbkdf2_hmac', 65536));
select length(kdf('foo', 'bar', 100, 'pbkdf2_hmac', 65537));

--echo #
--echo # MDEV-33659 Test kdf() without parameters
--echo #

--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
select kdf();

--echo #
--echo # End of 11.3 tests
--echo #