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  • 0 posts edited
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  • 49 votes cast
May
25
comment Does the MixColumns step come before or after AddRoundKey in AES decryption?
what do you mean by different expanded key?
May
25
asked In which order are the round keys used during AES decryption?
May
25
asked Does the MixColumns step come before or after AddRoundKey in AES decryption?
May
25
comment Is my pseudo-random initialization vector secure?
thanks @PaŭloEbermann, and now this question is more clear and specific.
May
23
comment Is my pseudo-random initialization vector secure?
@PaŭloEbermann - I edit my question, I am asking how can I determined if I am generating a secured IV..
May
23
revised Is my pseudo-random initialization vector secure?
added 15 characters in body
May
22
comment Is my pseudo-random initialization vector secure?
what if I am using a OFB mode? is it okay to used pseudorandom number in IV?
May
22
asked Is my pseudo-random initialization vector secure?
May
9
accepted How does one implement the Inverse of AES' MixColumns
May
8
asked How does one implement the Inverse of AES' MixColumns
May
4
comment Which attacks can be avoided by the use of OFB instead of ECB?
security for encrypted message and encrypted file.
May
3
asked Which attacks can be avoided by the use of OFB instead of ECB?
May
3
comment Complexity of ECB and OFB
ah, I see the space is the memory.. how to explain that thing? :D
May
3
comment Complexity of ECB and OFB
what is O? Big-O notation?
May
3
asked Complexity of ECB and OFB
Apr
30
revised Advanced Encryption Standard Algorithm Secret Key
added 332 characters in body
Apr
30
accepted How does Output Feedback mode use the initialization vector?
Apr
30
asked Advanced Encryption Standard Algorithm Secret Key
Apr
30
comment How does Output Feedback mode use the initialization vector?
It means, Initialization Vector will stand like a plaintext? like in ECB mode?
Apr
30
comment How does the key schedule of Rijndael looks for keysizes other than 128 bit?
If I used a non standard key size, How can I follow the rijndael key schedule? most of the tutorials about AES is only using 128 bits of key... :(