Re: HMAC_SHA1 does not match test vectors

Paul Lambert <[email protected]>
Newsgroups gmane.comp.python.cryptography
Message-ID <[email protected]>
oops ignore that last message,  the HMAC_SHA1 should be:

effcdf6ae5eb2fa2d27416d5f184df9c259a7c79

for the example I gave.  The problem was in the document that I am reviewing.

Thanks anyway :-)


Paul


> -----Original Message-----
> From: Paul Lambert 
> Sent: Tuesday, May 14, 2002 8:34 PM
> To: '[email protected]'
> Subject: HMAC_SHA1 does not match test vectors
> 
> 
> 
> Has anyone successfully tested the python hmac with
> sha1?   Looking at the built-in regression tests, it has only 
> been tested for md5.
> 
> In using the HMAC_SHA1, I can not get the results to
> match the published test vectors in RFC 2202 :-(
> 
> For example:
> 
> >>> import hmac
> >>> import sha
> >>> import md5
> >>> hm=hmac.new("Jefe","what do ya want for nothing?",sha)
> >>> hm.hexdigest()
> 'effcdf6ae5eb2fa2d27416d5f184df9c259a7c79'
> 
> The actual result should be:
> '750c783e6ab0b503eaa86e310a5db738'
> 
> What's odd is that the hmac.py works fine for
> md5 and matches all the test vectors.  SHA1 seems to
> have problems.
> 
> Advice on how to get the correct test vector results
> would be greatly appreciated.
> 
> Regards,
> 
> Paul 
>
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