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| bio | website | bolet.org/~pornin |
|---|---|---|
| location | Quebec City, Canada | |
| age | 37 | |
| visits | member for | 1 year, 10 months |
| seen | 14 hours ago | |
| stats | profile views | 284 |
Cryptographer, programmer in several languages (C, Java, several assemblies, Pascal, Forth...). I also have a life.
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Jul 20 |
comment |
Are any of the major asymmetric ciphers distinguishable (EG, RSA, ECC) ? @e501: security of an asymmetric encryption algorithm is not defined in how it looks like noise or not. On the other hand, trying to use an asymmetric encryption algorithm for the job of a block cipher, in particular encrypting a "long message", looks like a recipe for failure (you cannot just slap CBC over RSA, for instance). The critical part is that public key encryption necessarily enlarges the data (because randomness must be included at some point), and this makes all the work on encryption modes of operation unapplicable. |
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Jul 20 |
comment |
Are any of the major asymmetric ciphers distinguishable (EG, RSA, ECC) ? @e501: presence of a bias is not a necessity. It is just that we do not know how to make an asymmetric encryption algorithm which will output sequences of bits indistinguishable from random strings of the same size. Also, we do not (usually) care: this is not an issue with regards to how asymmetric encryption algorithms are used. |
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Jul 20 |
answered | Are any of the major asymmetric ciphers distinguishable (EG, RSA, ECC) ? |
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Jul 19 |
awarded | Student |
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Jul 19 |
asked | Should we MAC-then-encrypt or encrypt-then-MAC? |
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Jul 19 |
reviewed | Approve suggested edit on mac tag wiki excerpt |
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Jul 19 |
reviewed | Approve suggested edit on side-channel-attacks tag wiki excerpt |
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Jul 19 |
reviewed | Approve suggested edit on side-channel-attacks tag wiki |
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Jul 19 |
reviewed | Approve suggested edit on s-boxes tag wiki excerpt |
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Jul 19 |
answered | Asymmetric cryptographic algorithms that are not based on integer factorization and discrete logarithm |
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Jul 18 |
awarded | Tag Editor |
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Jul 18 |
revised |
passwords wiki description added 1853 characters in body |
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Jul 18 |
revised |
passwords wiki excerpt added 58 characters in body |
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Jul 18 |
answered | Can one efficiently iterate valid bcrypt hash output values? |
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Jul 18 |
suggested | suggested edit on passwords tag wiki excerpt |
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Jul 18 |
suggested | suggested edit on passwords tag wiki |
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Jul 18 |
wiki | created passwords description |
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Jul 18 |
wiki | created passwords excerpt |
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Jul 18 |
reviewed | Approve suggested edit on stream-cipher tag wiki excerpt |
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Jul 18 |
reviewed | Approve suggested edit on stream-cipher tag wiki |
