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<H1>[pycrypto] Base64 encoded output differs from pycrypto and as3crypto libraries.</H1>
<B>Thorsten Behrens</B>
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TITLE="[pycrypto] Base64 encoded output differs from pycrypto and as3crypto libraries.">sbehrens at gmx.li
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<I>Wed Jan 12 14:04:00 CST 2011</I>
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<PRE>Joshua,
"I82NQEkSHhE=" is the result I get. I've tested with Python 3.1, hence
the b'' for the result string.
We use public test vectors to make sure our Blowfish encrypts correctly.
Test vectors are from <A HREF="http://www.schneier.com/code/vectors.txt.">http://www.schneier.com/code/vectors.txt.</A> We use
ECB mode with the test vectors. It is entirely possible that we have an
issue with CBC mode, I'll not rule it out right away.
Do you have a reference implementation handy that you can use to encrypt
this and see what the results are?
>>> from Crypto.Cipher import Blowfish
>>> B = Blowfish.new( 'Thisisthekey', Blowfish.MODE_CBC, '30313233' )
>>> S = 'testtest'
>>> X = B.encrypt( S )
>>> import base64
>>> Y = base64.b64encode( X )
>>> print (Y)
b'I82NQEkSHhE='
>>> import binascii
>>> Y = binascii.b2a_base64(X)
>>> print (Y)
b'I82NQEkSHhE=\n'
Thorsten
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