23,743 reputation
23199
bio website
location Paris, France
age
visits member for 3 years, 7 months
seen 8 mins ago

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


23h
revised Can Poly1305-AES be used with AES-256?
Self-contained answer
2d
revised The effect of truncated hash on entropy
polish
2d
revised The effect of truncated hash on entropy
fix sign
2d
revised The effect of truncated hash on entropy
Simplify
2d
revised The effect of truncated hash on entropy
Link to thesis
2d
revised The effect of truncated hash on entropy
Link to author's webpage, fix gender
2d
revised The effect of truncated hash on entropy
Give the entropy before tuncation
2d
revised The effect of truncated hash on entropy
polish
Mar
26
revised zendo data size restrictions
Addition per comment
Mar
25
revised zendo data size restrictions
polish
Mar
25
revised Hash function such that fx(hash(s1),hash(s2)) = hash(concat(s1,s2))
Discuss principle of a practical implementation, and random reduction polynomial
Mar
25
revised Hash function such that fx(hash(s1),hash(s2)) = hash(concat(s1,s2))
Explain the simplest idea first, and in detail
Mar
25
revised Hash function such that fx(hash(s1),hash(s2)) = hash(concat(s1,s2))
polish update
Mar
25
revised Hash function such that fx(hash(s1),hash(s2)) = hash(concat(s1,s2))
polish update
Mar
25
revised Hash function such that fx(hash(s1),hash(s2)) = hash(concat(s1,s2))
There are simpler routes..
Mar
25
revised Hash function such that fx(hash(s1),hash(s2)) = hash(concat(s1,s2))
ceil->floor, fix a hash
Mar
25
revised What is this cryptosystem called?
fix statement of the last attack given
Mar
24
revised What is this cryptosystem called?
divide -> multiply in the decipher step
Mar
24
revised What is this cryptosystem called?
avoid repeated use of single; reorder decryption more logically.
Mar
24
revised What is this cryptosystem called?
Give earlier reference