meta user
network profile
| bio | website | |
|---|---|---|
| location | France | |
| age | 21 | |
| visits | member for | 3 months |
| seen | Apr 26 at 12:44 | |
| stats | profile views | 0 |
Hello curious reader !
I am a student in telecommunication engeneering at the time. I'm very interested in computer science. I do have a favorite programming language ... Yes you got it, it's C ! But I also had a touch with a couple of others (C++, Java, Python < I really enjoyed my little introduction about Python >), but since my growing interest in the Linux Kernel, I think I'll stick with the good old C for a while.
Lots of fun on SE for you all !
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Apr 8 |
accepted | Understanding one-way hash functions construction |
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Apr 8 |
comment |
Understanding one-way hash functions construction I don't claim to design my own hash function ! I just wanted to understand how the designers of such tools make their choices (I mean in a global scale). By the way, excellent guidance that I will follow right away |
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Apr 5 |
comment |
Understanding one-way hash functions construction @fgrieu What you said is exactly the kind of things I am looking for. I read a bit the review about sponge functions by the creators of Keccak and heard about the HAC. I also found Schneier's book by googling a little but the character does not make me feel any sympathy ... |
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Apr 5 |
awarded | Commentator |
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Apr 5 |
comment |
Understanding one-way hash functions construction @D.W. I am aware that they are very different although they can be linked together and the fact is ... I am interested in both ! But for the sake of simplicity, I will prioritize hash functions this time |
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Apr 5 |
comment |
Understanding one-way hash functions construction @mikeazo, actually it's a bit related to the second hypothesis you were formulating. I edited the question |
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Apr 5 |
revised |
Understanding one-way hash functions construction Reformulation of the question |
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Apr 4 |
asked | Understanding one-way hash functions construction |
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Mar 28 |
answered | one-time pad key related attack |
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Mar 28 |
accepted | How to design a practical and secure MAC scheme? |
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Mar 28 |
comment |
How to design a practical and secure MAC scheme? Every day I get more impressed by what crypto people can think of ... That's brilliant. The paper about cold boot attacks you linked is also very impressive ! I suggest you edit your answer to append that last comment since it is a witty advice. |
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Mar 28 |
comment |
How to design a practical and secure MAC scheme? The scheme I described only authenticates a $PEB(p) \leftrightarrow LEB(v,l)$ mapping, not the actual content of the block. I might add also add tags to authenticate the data written in the block. Could you explain more precisely the flaw induced by the use of $K$ for both tags ? |
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Mar 28 |
comment |
How to design a practical and secure MAC scheme? The fields involved in my HMAC scheme are fixed length, I even mentioned their respective length ;). I have read somewhere that the same key should not be used to produce several different tags. Should I use key derivation techniques instead of keeping on using the raw K ? |
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Mar 27 |
revised |
How to design a practical and secure MAC scheme? Added cryptanalysis tag + spell correction |
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Mar 27 |
comment |
What is the probability of breaking the AES algorithm? Please note that a block cipher can be used with several modes of execution. A few examples : ECB (Electronic CodeBook), CBC (Cipher Block Chaining), CTR (CounTeR mode) ... In addition to the AES security itself, the mode you pick up can also have some specific security concerns. |
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Mar 27 |
asked | How to design a practical and secure MAC scheme? |
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Mar 27 |
awarded | Supporter |
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Feb 8 |
comment |
AES-CTR vulnerability to cryptographic oracle Very instructive and useful advice, thanks |
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Feb 7 |
awarded | Student |
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Feb 7 |
comment |
AES-CTR vulnerability to cryptographic oracle Perfect, thanks a lot ! |
