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  • 4 votes cast
Nov
12
revised TLS RSA Certificate with Elliptic Curve Negotiation
added 338 characters in body
Nov
12
answered TLS RSA Certificate with Elliptic Curve Negotiation
Nov
12
asked TLS RSA Certificate with Elliptic Curve Negotiation
Oct
18
accepted Increasing number of rounds in AES
Oct
17
comment Increasing number of rounds in AES
As to the keys I know TrueCrypt when it offers to encrpyt with multiple ciphers just takes a PBKDF to generate say 768 bits and splits it up to three 256 bit keys
Oct
17
comment Increasing number of rounds in AES
So would there be a point in using two rounds of AES? Would it mitigate what Bruce Schneier was suggesting when he said to increase to 16 rounds?
Oct
17
comment Increasing number of rounds in AES
So the problem would be that on the second part of AES the key schedule is continuing where it left off with the first encryption of AES. It is either starting over or it is using another key and starting over.
Oct
17
comment Increasing number of rounds in AES
But why wouldn't it be 20 rounds (well 2 initial, 2 last and 16 middle rounds)? You have just done 16 middle rounds, 2 initial rounds, 2 last rounds correct?
Oct
17
comment Increasing number of rounds in AES
What if it was the same key? You could never tell if it was right until you did the full two decryption as the first decryption would still be pseudo random noise wouldn't it? Also couldn't you just use a 512 bit key split in two?
Oct
17
revised Increasing number of rounds in AES
added 41 characters in body
Oct
17
comment Increasing number of rounds in AES
Why would the key schedule be incorrect? (assuming that the key is given else where and AES_128 just does encryption). Also isn't the first round of AES different as well so it would be 2 initial rounds + 16 middle rounds + 2 last rounds?
Oct
17
asked Increasing number of rounds in AES
Oct
14
awarded  Scholar
Oct
14
awarded  Supporter
Oct
14
accepted Is scrypt a hashing function, encryption, or PBKDF?
Oct
13
asked Is scrypt a hashing function, encryption, or PBKDF?
Oct
8
comment Self authenticating tamper resistant first meetings
If there is really an ability to fake video and voice data for arbitrary data then that would pose much worse issues then intercepting communications.
Oct
7
awarded  Student
Oct
7
comment Self authenticating tamper resistant first meetings
Note didn't mean ! as mad or annoyed just glad in that both had the same thought
Oct
7
awarded  Editor