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location Paris, France
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visits member for 3 years
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I'm an engineer with experience in applied cryptography, in particular in Smart Card systems.


Jul
24
accepted What security authorities and standards reject $e=3$ in RSA, when, and with what rationale?
Jul
15
accepted Which version(s) of SRP are in ISO/IEC 11770-4:2006?
May
17
accepted How secure would HMAC-SHA3 be?
Apr
15
accepted Attack of an RSA signature scheme using PKCS#1 v1.5 encryption padding
Mar
31
accepted Can a commutative block cipher be indistinguishable from a random permutation, for fixed key?
Mar
18
accepted Keyed digest function with odds of collision below the birthday bound?
Mar
18
accepted What could “look for the constants that you might find in RC6” mean?
Mar
18
accepted How much can we compress RSA public keys?
Mar
6
accepted What key exchange protocols give Forward-Secrecy resisting future progress?
Feb
26
accepted How to construct a good PRF from a block cipher?
Feb
26
accepted In textbook RSA with low public exponent, how big does a random message needs to be?
Feb
26
accepted In ECDSA, how many field operations are used for signature verification?
Feb
26
accepted Maximal-length LFSR with $n$ bits when the factorization of $2^n-1$ is unavailable?
Oct
2
accepted Why was the winner of the AES competition not a Feistel cipher?
Jul
28
accepted What changed in PKCS#1 v2.2, and why?
Jun
6
accepted Do recent announcements about solving the DLP in $GF(2^{6120})$ apply to schemes proposed for cryptographic use?
Dec
21
accepted On-the-fly computation of AES Round Keys for decryption?
Nov
23
accepted Proof that a function constructed from a PRP is, or is not a PRF?
Oct
6
accepted Is a second preimage attack on MD5 feasible?
Oct
6
accepted RSA-based authentication and key-agreement protocol