File tests/test_vectors/Symetric_Block/AES-256-OFB.txt artifact 9d110b4297 part of check-in 8ae6d68bc3

# AES-256-OFB128
# From NIST SP_800-38A Appendix F.4


# OFB128-AES256.Encrypt and OFB128-AES256.Decrypt 
Klen = 32
Ilen = 16
Len = 64
Key = 603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4
IV = 000102030405060708090a0b0c0d0e0f
Plaintext = 6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710
Ciphertext = dc7e84bfda79164b7ecd8486985d38604febdc6740d20b3ac88f6ad82a4fb08d71ab47a086e86eedf39d1c5bba97c4080126141d67f37be8538f5a8be740e484