File tests/test_vectors/Symetric_Block/ARIA256.txt artifact 6ea522af22 part of check-in cf6fddaa41

# ARIA256 cipher from RFC 5794

# A.3.  256-Bit Key
Key = 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
Plaintext = 00112233445566778899aabbccddeeff
Ciphertext = f92bd7c79fb72e2f2b8f80c1972d24fc