21,565 reputation
12990
bio website
location Paris, France
age
visits member for 3 years, 3 months
seen 23 mins ago

I'm an engineer with experience in applied cryptography, in particular in Smart Card systems.


14h
revised Are there any digital signature algorithms in common use that result in 32-byte signatures?
remove repetiton, more explicit signature step 5
14h
revised Are there any digital signature algorithms in common use that result in 32-byte signatures?
fix that M' was used without definition; explicit size overhead.
17h
revised Are there any digital signature algorithms in common use that result in 32-byte signatures?
Add missing term at verification step 6
17h
revised Maximum length in bits of the product n=pq
Per request, explain how things are in practice.
18h
revised Are there any digital signature algorithms in common use that result in 32-byte signatures?
Fix RSA public key fuction in verification
18h
revised Are there any digital signature algorithms in common use that result in 32-byte signatures?
Give step-by-step description
19h
revised Maximum length in bits of the product n=pq
Full proof
20h
revised simulating rc4-256 with rc4-128
point interesting comment
22h
revised Are there any digital signature algorithms in common use that result in 32-byte signatures?
Give mitigation to attacks on ISO/IEC 9796-2 scheme 1 with SHA-1
1d
revised Are there any digital signature algorithms in common use that result in 32-byte signatures?
Link to a description to the scheme, which is not so well known in theindustry; attempt to align notation to that source.
1d
revised Are there any digital signature algorithms in common use that result in 32-byte signatures?
explain the risk
2d
revised simulating rc4-256 with rc4-128
added 4 characters in body
Nov
24
revised Inverse of a function $f_k(x) := f (x ⊕ k) ⊕ k$
TeXify
Nov
22
revised Verbatim of early work on public-key cryptography?
Conspiracy theory is weakened by history of CESG; link to that
Nov
21
revised Why we can't implement AES 512 key size?
typo
Nov
21
revised Why we can't implement AES 512 key size?
More precise summary of the criticized article
Nov
21
revised Verbatim of early work on public-key cryptography?
Expand description of Simon Singh's writing
Nov
21
revised Verbatim of early work on public-key cryptography?
Add quote of [6]
Nov
21
revised Verbatim of early work on public-key cryptography?
Add new reference [6], and better link to the FoIA case
Nov
21
revised Is there a way to systematically calculate the public exponent $e$ in RSA?
fix another OB1, polish