ietf-openpgp
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Re: New results against SHA-1

2009-05-04 23:05:02

Daniel Kahn Gillmor <dkg(_at_)fifthhorseman(_dot_)net> writes:

What do other folks think?

Given that the MDC is a hash of plaintext that's then encrypted, and the hash 
value is itself encrypted, I'm not losing any sleep over it.  The hash attacks 
so far have required bit-for-bit carefully-chosen plaintext with known hash 
values, not unknown (or even partially-known) plaintext with an unknown hash 
value.

Peter.

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