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Aug
23
revised How feasible would it be to generate 300 million public key pairs in 8 hours?
Expand to detail DSA and cover RSA.
Aug
23
answered How feasible would it be to generate 300 million public key pairs in 8 hours?
Aug
23
comment Does it make sense to have a compression function that uses 64-bit of the message to create an output of 64-bit?
@B-Con: I understand what you describe in your comment and the following one; but not how that would allows to find a collision or preimage more efficiently than a generic birthday attack.
Aug
23
comment Does it make sense to have a compression function that uses 64-bit of the message to create an output of 64-bit?
@Thomas: I nailed that cryptanalytic attack!
Aug
23
revised Does it make sense to have a compression function that uses 64-bit of the message to create an output of 64-bit?
added 112 characters in body
Aug
23
answered Does it make sense to have a compression function that uses 64-bit of the message to create an output of 64-bit?
Aug
23
comment Why the $IV$ used in Merkle-Damgard has to be fixed to a specific value?
One reason is convenience: a variable IV would need to be transmitted, perhaps authenticated.. Another reason is explained here following with the IV replaced by a constant of unknown origin
Aug
23
revised How to prove the hardness of Rabin's function?
Polish
Aug
23
revised How to prove the hardness of Rabin's function?
Polish
Aug
23
revised How to prove the hardness of Rabin's function?
Make a proof sketch, and tighten the proof.
Aug
22
revised How to prove the hardness of Rabin's function?
Polish
Aug
22
revised How to prove the hardness of Rabin's function?
Polish
Aug
22
revised How to prove the hardness of Rabin's function?
Polish
Aug
22
revised How to prove the hardness of Rabin's function?
polish
Aug
22
revised How to prove the hardness of Rabin's function?
Conclusion
Aug
22
revised How to prove the hardness of Rabin's function?
Designate correct alg and step; remove unused ref
Aug
22
revised How to prove the hardness of Rabin's function?
Streamline the proof; give exact classification of residues.
Aug
22
revised How to prove the hardness of Rabin's function?
Clarify
Aug
22
answered How to prove the hardness of Rabin's function?
Aug
21
revised zendo data size restrictions
Fix expression