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  • 42 votes cast
Feb
3
awarded  Notable Question
Jan
6
revised Question about lower bound and upper bound key collision
added 1 character in body
Jan
6
asked Question about lower bound and upper bound key collision
Jan
6
accepted Winternitz Signature in standard model
Jan
6
asked Why Generate Keys are inside game
Jan
5
asked Winternitz Signature in standard model
Jan
1
accepted Is the IV value in Davies Meyer construction public?
Dec
31
comment Davies-Meyer Hash Function
what happens if the message to evaluate has size equal to the key size? I make this question because in this case IV and $H_1$ are know, then the message is easy to get.
Dec
31
comment Is the IV value in Davies Meyer construction public?
ok, then In this case the Davies-Mayer construction doesn't work?
Dec
31
asked Is the IV value in Davies Meyer construction public?
Jul
28
revised Words having weight near to minimum distance
added 29 characters in body
Jul
28
comment Words having weight near to minimum distance
I only know Hamming Codes and Goppa Codes. In the case of the Goppa Codes when I say that its construction is know, is because in the Syndrome Decoding problem if we know the Goppa polynomial and the support of the code then the problem Syndrome decoding is not problem, is too easy to solve. I need to know a class of Codes where it is easy to generate a several words with the same syndrome and same weight and the Syndrome Decoding Problem is still hard.
Jul
28
comment Words having weight near to minimum distance
@D.W. I have edited my question.
Jul
28
revised Words having weight near to minimum distance
added 85 characters in body
Jul
27
asked Words having weight near to minimum distance
Jul
26
comment Example: pre-image resistance to second pre-image resistance
The constructions of that paper are not for preimage-resistance.
Jul
26
comment Example: pre-image resistance to second pre-image resistance
@SEJPM Yes it is
Jul
26
revised Example: pre-image resistance to second pre-image resistance
added 1 character in body
Jul
26
asked Example: pre-image resistance to second pre-image resistance
Jul
22
asked Converting a pre-image resistant hash to second pre-image resistant