Thomas Pornin

19,537 reputation

13671

bio	website	bolet.org/~pornin
	location	Quebec City, Canada
	age	38
visits	member for	1 year, 11 months
	seen	Jun 8 at 19:00
stats	profile views	296

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

	19,537 reputation	bio	website	bolet.org/~pornin	visits	member for	1 year, 11 months
13671 badges		location	Quebec City, Canada		seen	Jun 8 at 19:00

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30 Revisions

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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.
Nov 13	revised	Linear Cryptanalysis rewrote text to phrase it as an actual question
Nov 11	revised	Best way to reduce chance of hash collisions: Multiple hashes, or larger hash? fixed probability of collision (2^{-76}, not 2^{-78})
Nov 9	revised	Is it reasonable to assure that p-1 and q-1 aren't smooth? fixed size of prime factors (512-bit for a classical 1024-bit RSA modulus)
Oct 31	revised	Why can't one implement bcrypt in Cuda? added 155 characters in body
Oct 28	revised	Why would you expect to find a collision in a hash function after approximately $\sqrt{n}$ hashes? added 167 characters in body
Oct 17	revised	Which algorithms are used to factorize large integers? TeXified notation. Also fixed a few typos.
Sep 26	revised	What is the signature scheme with the fastest batch verification protocol for multiple signers? Fixed link to Bernstein article on bitsliced Edwards curves (was google-garbled).
Sep 22	revised	Understanding CRC corrected wrong degree