File tests/test_vectors/Symetric_Block/DES-CFB1.txt artifact 1c88060fd4 part of check-in 9bcee7c0e7

# DES-CFB1
# From FIPS Pub 81 Appendix D1


# CFB1-DES.Encrypt and CFB1-DES.Decrypt 
Klen = 8
Ilen = 8
Len = 3
Key = 0123456789abcdef
IV = 1234567890abcdef
# 010011100110111101110111
Plaintext = 4e6f77
# 110011010001111011001001
Ciphertext = cd1ec9