Hi,
If I run the following, for openSSL:
echo -n "0123456789abcdef0123456789abcdef" | openssl aes-128-ecb
-nosalt -nopad | xxd
and enter the key "YELLOW SUBMARINE", I get the following ciphertext:
a2a5 8316 129f c596 8341 c78a 0c36 5d20
a2a5 8316 129f c596 8341 c78a 0c36 5d20
Yet in M2Crypto, the following code:
import M2Crypto
cipher=M2Crypto.EVP.Cipher('aes_128_ecb',b'YELLOW SUBMARINE',"", op=1,
padding=0, salt=None)
out=b''
plaintext=b'0123456789abcdef0123456789abcdef'
out=out+cipher.update(plaintext)
print ' '.join(x.encode('hex') for x in out)
Outputs:
20 1e 80 2f 7b 6a ce 6f 6c d0 a7 43 ba 78 ae ad
20 1e 80 2f 7b 6a ce 6f 6c d0 a7 43 ba 78 ae ad
(line breaks added for clarity)
What is the cause of this discrepancy? Both are 128-bit AES in ECB
mode. M2Crypto doesn't appear to be salting, and padding should be
unnecessary in any case with this plaintext.
Thanks,
James McMurray
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