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location Paris, France
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visits member for 3 years
seen 5 hours ago

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


Aug
25
revised Why should I use an Initialization Vector (IV) when I have unique keys?
Oups! We can (and do) live with no IV when unique keys are used, but that does make some attacks less difficult.
Aug
15
revised Can you fake messages from recorded message-history?
Add note
Aug
2
revised Is perfect-forward secrecy achieved with RSA?
Incorporate some of CodesInChaos's comment
Aug
1
revised Is perfect-forward secrecy achieved with RSA?
Mention the public key used to verify the signature
Aug
1
revised Is perfect-forward secrecy achieved with RSA?
Polish
Aug
1
revised Is perfect-forward secrecy achieved with RSA?
start from general and apply to RSA
Jul
31
revised Rainbow table for DES with all-zero plaintext?
Use m rather than k as the width of the input of F, to avoid conflict with answers using k for another purpose
Jul
31
revised How can rainbow tables be used for a dictionary attack?
Embed links
Jul
28
revised Rainbow table for DES with all-zero plaintext?
Addition stating my ignorance
Jul
26
revised Rainbow tables and blowfish
Add rainbow-table tag
Jul
25
revised Idea for user/pass hashing to prevent rainbow tables, would it work?
Add rainbow-table tag
Jul
25
revised How does using salt reduce rainbow table attack?
Add rainbow-table tag
Jul
25
revised How can rainbow tables be used for a dictionary attack?
Add rainbow-table tag
Jul
25
revised Why must we hash lot of times in rainbow tables?
Add rainbow-table tag
Jul
25
revised Is rainbow table attack applicable to any hash?
Add rainbow-table tag
Jul
25
revised Example Rainbow Table Generation
Add rainbow-table tag
Jul
24
revised What security authorities and standards reject $e=3$ in RSA, when, and with what rationale?
typo
Jul
24
revised What security authorities and standards reject $e=3$ in RSA, when, and with what rationale?
typo
Jul
24
revised What security authorities and standards reject $e=3$ in RSA, when, and with what rationale?
Clearly state my opinion
Jul
24
revised What security authorities and standards reject $e=3$ in RSA, when, and with what rationale?
Include links to RGS and its approval, with corrected date; state main change