30,981 reputation
557114
bio website bolet.org/~pornin
location Quebec City, Canada
age 39
visits member for 3 years
seen 8 mins ago

Cryptographer, programmer in several languages (C, Java, several assemblies, Pascal, Forth...). I also have a life.


Jun
15
revised Trial divisions before Miller-Rabin checks?
added 666 characters in body
Dec
27
revised Why is public-key encryption so much less efficient than secret-key encryption?
edited body
Dec
20
revised Should I use ECB or CBC encryption mode for my block cipher?
added 6 characters in body
Oct
30
revised Attacking 2DES efficiently
Fixed numbers (56 - 39 = 17, not 16)
Oct
24
revised Good Encryption Exponent
fixed key size per @poncho suggestion.
Oct
6
revised Which platforms are most vulnerable to Simple Power Analyse Attack
added 8 characters in body
Sep
29
revised Should we trust the NIST-recommended ECC parameters?
added 2759 characters in body
Aug
9
revised Can ECDSA signatures be safely made “deterministic”?
Added reference to the final RFC, which is now published.
Jan
26
revised What is a block cipher?
Better title and improved grammar
Oct
24
revised A discrete-log-like problem, with matrices: given $A^k x$, find $k$
Fixed summary ("easy" vs "hard") to match the rest of the answer.
Oct
16
revised How was the complexity of the Biclique Attack calculated?
Fixed complexity figure to account for success rate (100% vs 50%).
Apr
22
revised Why is elliptic curve cryptography not widely used, compared to RSA?
added 1 characters in body
Jan
26
revised What is the best way to send two floating point numbers to a server on the internet from a small device such as an arduino?
edited body
Jan
12
revised Compressing EC private keys
typo
Jan
8
revised group-theory wiki description
added 454 characters in body
Dec
28
revised AESManaged Trade Compliance Issue in United States
grammar and spelling
Nov
30
revised Software implementation of a commutative cipher?
edited tags
Nov
27
revised How can one show that an ElGamal-like signature verification scheme is valid?
added 1 characters in body
Nov
22
revised Message space in security definitions
More TeX.
Nov
22
revised Message space in security definitions
TeXified equations, fixed grammar.