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revision 1.71 by tjl, Sun May 18 07:52:24 2003 UTC revision 1.72 by tjl, Sun May 18 09:05:37 2003 UTC
# Line 321  Deterministic: a Full Digital Signature Line 321  Deterministic: a Full Digital Signature
321    
322          and has the octuplet??          and has the octuplet??
323    
324    - Security not straightforward:
325      There is a large number of hashes used, and a collision
326      between any two could allow forging of signatures.
327      birthday attacks, ...
328    
329  - AAAGH We can't use 80-bit hashes inside the tree, and it's  - AAAGH We can't use 80-bit hashes inside the tree, and it's
330    questionable whether we can even use 160-bit!    questionable whether we can even use 160-bit!
331    Reason: if you sign a lot of docs, chances are    Reason: if you sign a lot of docs, chances are

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