I am running FIPS test vectors against AES-CFB. I am getting correct results for aes-cfb128 and aes-cfb8 tests but not getting correct values for aes-cfb1. The details are given below. Am I missing something ? =========================== Correct Results for CFB128 =========================== KEY = 10a58869d74be5a374cf867cfb473859 IV = 00000000000000000000000000000000 PLAINTEXT = 00000000000000000000000000000000 CIPHERTEXT = 6d251e6944b051e04eaa6fb4dbf78465 [root at Con]# echo 00000000000000000000000000000000 | xxd -r -p > plaintext [root at Con]# [root at Con]# openssl enc -aes-128-cfb -p -nopad -nosalt -K 10a58869d74be5a374cf867cfb473859 -iv 00000000000000000000000000000000 -in plaintext -out ciphertext key=10A58869D74BE5A374CF867CFB473859 iv =00000000000000000000000000000000 [root at Con]# xxd -p ciphertext > ciphertextssd [root at Con]# cat ciphertextssd 6d251e6944b051e04eaa6fb4dbf78465 <================== Correct Result [root at Controller]# ============================ In-Correct Results for CFB1 ============================ KEY = a2e2fa9baf7d20822ca9f0542f764a41 IV = 00000000000000000000000000000000 PLAINTEXT = 0 CIPHERTEXT = 1 [root at Con]# echo 0 | xxd -r -p > plaintext [root at Con]# [root at Con]# openssl enc -aes-128-cfb1 -p -nopad -nosalt -K a2e2fa9baf7d20822ca9f0542f764a41 -iv 00000000000000000000000000000000 -in pla intext -out ciphertext key=A2E2FA9BAF7D20822CA9F0542F764A41 iv =00000000000000000000000000000000 [root at Con]# xxd -p ciphertext > ciphertextssd [root at Cont]# [root at Con]# cat ciphertextssd [root at Con]# <================== No Result whereas it should be 1 Thanks,Haq -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mta.openssl.org/pipermail/openssl-users/attachments/20151111/9931c435/attachment-0001.html>
