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location Paris, France
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visits member for 2 years, 8 months
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I'm an engineer with experience in applied cryptography, in particular in Smart Card systems.


2d
revised Turning a cipher into a hashing function
Tone down my endorsement
2d
revised Turning a cipher into a hashing function
Update the answer to state points in its motivating question, which is not the present one.
Apr
15
revised Why does HMAC need a fixed length padding?
Remove a complex and perhaps wrong argument
Apr
15
revised Security of RSA for paranoids with padding?
Cleanup and repolish
Apr
15
revised Attack of an RSA signature scheme using PKCS#1 v1.5 encryption padding
Fix per remark
Apr
15
revised Security of RSA for paranoids with padding?
Clarify
Apr
15
revised Security of RSA for paranoids with padding?
Fix link to SPAKE article, polish
Apr
15
revised Security of RSA for paranoids with padding?
Back from the grave with a better and more general question
Apr
15
revised Why does HMAC need a fixed length padding?
Answer the other part of the question, as asked in comment
Apr
14
revised Are AES-256's related-key weaknesses exploitable if it is used to build a hash?
Emphasize the Kelsey and Schneier paper.
Apr
14
revised Are AES-256's related-key weaknesses exploitable if it is used to build a hash?
Emphasize the size of the blocks; fix title
Apr
14
revised Are AES-256's related-key weaknesses exploitable if it is used to build a hash?
Polish hypothesis
Apr
14
revised Turning a cipher into a hashing function
Fix description of Hirose construction
Apr
14
revised Turning a cipher into a hashing function
Link to a more prudent answer.
Apr
13
revised Why does HMAC need a fixed length padding?
typo
Apr
13
revised Turning a cipher into a hashing function
Polish
Apr
13
revised
RSAP in not used for signature
Apr
13
revised
Streamline
Apr
13
revised Security of RSA for paranoids with padding?
Understood Rabin's argument
Apr
13
revised
Introduce the name Unbalanced RSA. Change definition to make imbalance secondary to message of constrained size.