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7h
revised Words having weight near to minimum distance
added 29 characters in body
9h
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.
17h
comment Words having weight near to minimum distance
@D.W. I have edited my question.
17h
revised Words having weight near to minimum distance
added 85 characters in body
1d
asked Words having weight near to minimum distance
2d
comment Example: pre-image resistance to second pre-image resistance
what are that tests?
2d
comment Example: pre-image resistance to second pre-image resistance
The constructions of that paper are not for preimage-resistance.
2d
comment Example: pre-image resistance to second pre-image resistance
@SEJPM Yes it is
2d
revised Example: pre-image resistance to second pre-image resistance
added 1 character in body
2d
asked Example: pre-image resistance to second pre-image resistance
Jul
22
asked Converting a pre-image resistant hash to second pre-image resistant
Jul
16
asked One-Time-Signature based codes
Jul
14
asked Stern identification scheme to signature scheme
Jun
28
awarded  Caucus
Jun
13
asked CMSS key sizes flexiprovider
Jun
9
awarded  Nice Question
May
25
comment Name of this attack?
@poncho Before, $Y_s$ be validated, first needs validation with $X_s$. Then I think that it is necessary ...
May
25
comment Name of this attack?
@poncho according the postquantum cryptography book of Sendried and et al. it is necessary $Y_s$ in the Merkle signature. Could you explain me please how retrieve $Y_s$ using $\sigma_{\text{OTS}}$ and the hash?
May
25
revised Name of this attack?
added 29 characters in body
May
25
asked Name of this attack?