# Tests of the AES CFB8 block mode
#### cfb8
SET @IVA=REPEAT('a', 16);
SET @IVB=REPEAT('b', 16);
SET @KEY1=REPEAT('c', 16);
SET @KEY2=REPEAT('d', 16);
#### 128-cfb8
SET SESSION block_encryption_mode="aes-128-cfb8";
# must throw an error without an IV
SELECT AES_ENCRYPT('a', @KEY1);
ERROR 42000: Incorrect parameter count in the call to native function 'aes_encrypt'
block mode dependent. Must be non-0 and non-null
SELECT LENGTH(AES_ENCRYPT('a', @KEY1, @IVA));
LENGTH(AES_ENCRYPT('a', @KEY1, @IVA))
1
block mode dependent
SELECT TO_BASE64(AES_ENCRYPT('a', @KEY1, @IVA));
TO_BASE64(AES_ENCRYPT('a', @KEY1, @IVA))
Pw==
# must be equal
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a', @KEY1, @IVA), @KEY1, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('a', @KEY1, @IVA), @KEY1, @IVA)
1
# must not be equal
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVB);
'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVB)
0
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY2, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY2, @IVA)
0
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('b',@KEY1, @IVA), @KEY1, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('b',@KEY1, @IVA), @KEY1, @IVA)
0
#### 192-cfb8
SET SESSION block_encryption_mode="aes-192-cfb8";
# must throw an error without an IV
SELECT AES_ENCRYPT('a', @KEY1);
ERROR 42000: Incorrect parameter count in the call to native function 'aes_encrypt'
# must be equal
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVA)
1
# must not be equal
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVB);
'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVB)
0
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY2, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY2, @IVA)
0
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('b',@KEY1, @IVA), @KEY1, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('b',@KEY1, @IVA), @KEY1, @IVA)
0
#### 256-cfb8
SET SESSION block_encryption_mode="aes-256-cfb8";
# must throw an error without an IV
SELECT AES_ENCRYPT('a', @KEY1);
ERROR 42000: Incorrect parameter count in the call to native function 'aes_encrypt'
# must be equal
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVA)
1
# must not be equal
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVB);
'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY1, @IVB)
0
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY2, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('a',@KEY1, @IVA), @KEY2, @IVA)
0
SELECT 'a' = AES_DECRYPT(AES_ENCRYPT('b',@KEY1, @IVA), @KEY1, @IVA);
'a' = AES_DECRYPT(AES_ENCRYPT('b',@KEY1, @IVA), @KEY1, @IVA)
0
SET SESSION block_encryption_mode=DEFAULT;
#### 128, 192 and 256 bit cfb8
CREATE TABLE aes_cfb8(a VARCHAR(128), b128 VARCHAR(144),
b192 VARCHAR(144), b256 CHAR(144));
INSERT INTO aes_cfb8 (a) VALUES (REPEAT('a', 128));
INSERT INTO aes_cfb8 (a) VALUES (REPEAT(0x00313233, 32));
SET SESSION block_encryption_mode="aes-128-cfb8";
UPDATE aes_cfb8 SET b128 = AES_ENCRYPT(a, @KEY1, @IVA);
SET SESSION block_encryption_mode="aes-192-cfb8";
UPDATE aes_cfb8 SET b192 = AES_ENCRYPT(a, @KEY1, @IVA);
SET SESSION block_encryption_mode="aes-256-cfb8";
UPDATE aes_cfb8 SET b256 = AES_ENCRYPT(a, @KEY1, @IVA);
# must return 0
SELECT COUNT(*) FROM aes_cfb8 WHERE b128 = b192 OR B192 = b256 OR b128=b256;
COUNT(*)
0
SET SESSION block_encryption_mode="aes-256-cfb8";
# must return 2
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b256, @KEY1, @IVA);
COUNT(*)
2
# must return 0
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b256, 'b', @IVA);
COUNT(*)
0
# must return 0
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b256, @KEY1, @IVB);
COUNT(*)
0
SET SESSION block_encryption_mode="aes-192-cfb8";
# must return 2
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b192, @KEY1, @IVA);
COUNT(*)
2
# must return 0
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b192, @KEY2, @IVA);
COUNT(*)
0
# must return 0
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b256, @KEY1, @IVB);
COUNT(*)
0
SET SESSION block_encryption_mode="aes-128-cfb8";
# must return 2
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b128, @KEY1, @IVA);
COUNT(*)
2
# must return 0
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b128, @KEY2, @IVA);
COUNT(*)
0
# must return 0
SELECT COUNT(*) FROM aes_cfb8 WHERE a = AES_DECRYPT(b256, @KEY2, @IVB);
COUNT(*)
0
SET SESSION block_encryption_mode=DEFAULT;
DROP TABLE aes_cfb8;
SET SESSION block_encryption_mode=default;
#
# End of 5.7 tests
#