> When I hash 50 or 60 bytes (or any lower length) of
> my string the hashes
> are identical, but if I hash 70 bytes the hashes are
> different somehow.
> Does anybody have an explaination for this?
>
> Thanks,
I think the problem is whith padding.
Try to hash some "reference data" longer than 65 bytes
to discover which one is correct.
See in http://csrc.nist.gov/cryptval/dss.htm and
http://www.itl.nist.gov/fipspubs/fip180-1.htm
ivan
=====
----------------------------------------------------
Ivan da Silva Sendin
Computer Security & Cryptography
http://www.geocities.com/isendin.geo
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