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1h
comment How is the base64 encoded signature in Craig Wright's proof constructed?
blog.erratasec.com/2016/05/…
Apr
28
comment What would happen to AES if we replaced MixColumns with ShiftColumns?
all operation would be byte-wise. so you'll get a very very small state.
Apr
28
comment How is decryption done in AES CTR mode?
I would only add the idea that CTR mode is a way to use block cipher as a stream cipher. The only thing to understand is /how/ the keystream is generated. That adds almost nothing to your answer, but maybe could clear out some doubts...
Apr
22
revised GCM: use the same key:IV pair to encrypt file and filename
added 1591 characters in body
Apr
22
revised GCM: use the same key:IV pair to encrypt file and filename
edited body
Apr
21
comment What is the fastest block cipher in the (Intel) world?
I think that the question lacks of context... Are you asking about a software implementation? an hardware one? AES has a no negligible advantage: being a stardard, CPUs contain specialized instructions to compute faster the algorithm.
Apr
21
comment GCM: use the same key:IV pair to encrypt file and filename
You need to change only the iv. You could keep the same key. (or check the crypto specification of gocryptfs)
Apr
21
answered GCM: use the same key:IV pair to encrypt file and filename
Apr
16
answered Is LUKS Anti-Forensic information splitter (AFsplit) indistinguishable from random data?
Apr
7
comment Can you give me a summary of cryptographic hardness assumptions?
That would be great!
Apr
6
comment Can you give me a summary of cryptographic hardness assumptions?
I think you may refere to the wiki, that is linked on the webpage I pt as second link, but the wiki appears to be offline
Apr
6
comment Can you give me a summary of cryptographic hardness assumptions?
There is a pdf, a report by the Ecrypt II workgroup, that contains all (sort of) hardness assuptions used in cryptography... ecrypt.eu.org/ecrypt2/documents/D.MAYA.6.pdf or ecrypt.eu.org/ecrypt2/documents.html
Mar
16
answered AES key reuse and guessing the key
Feb
10
comment AES Twofish Serpent
@MaartenBodewes I suggested the link to the triplesec implementations for the same reason, I think the construction is very similar but using Xsalsa.
Feb
9
comment AES Twofish Serpent
Something similar keybase.io/triplesec
Feb
8
answered OpenSSL Signature different each time
Jan
28
revised RSA-OAEP: How does it work?
add the image to the post and not as link
Jan
28
suggested approved edit on RSA-OAEP: How does it work?
Jan
20
comment What does this advantage statement signify?
Acutally it works also in the opposite sense: "how bad is..." because ad adversary that never guess correctly can easily transformed in a good guesser just inverting its answers
Jan
20
comment What does this advantage statement signify?
It really means that: you can phrase it as "how good is the adversary in guessing the right answer against a simple guessing with a random coin".