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Can XEX or XTS modes be used with only one tweak? (part 2)

block-cipher modes-of-operation xts tweakable-cipher

asked 4 hours ago Post as a guest 11

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1

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32

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Can I derive IV, if I know Encrypted Txt, Key and Encryption Method?

aes cryptanalysis block-cipher sha-256 decryption

answered 11 hours ago poncho 113k

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Is there a universal construction for Davies-Meyer hash functions?

hash block-cipher collision-resistance pseudo-random-function pseudo-random-permutation

asked Oct 18 at 5:51 Keshav Srinivasan 97

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75

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How to decide which diffusion scheme is better for a block cipher design

block-cipher diffusion mds

modified Oct 13 at 13:03 kelalaka 23.3k

6

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143

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Are any block ciphers provably free of equivalent keys?

block-cipher keys permutation

modified Oct 13 at 3:25 forest 10.6k

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270

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Parity attack on block cipher

block-cipher permutation

modified Oct 10 at 4:42 fgrieu♦ 106k

10

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1k

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What is the most computationally efficient way of generating pseudo-random permutations?

block-cipher format-preserving pseudo-random-permutation

modified Oct 9 at 11:29 kelalaka 23.3k

3

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131

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Is it possible to construct a $3*3$ MDS matrix in $GF(2^4)$?

block-cipher mds

modified Oct 2 at 7:31 kelalaka 23.3k

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110

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Application of MDS matrices in serial and round-based implementations

block-cipher implementation diffusion mds

modified Sep 30 at 11:26 kelalaka 23.3k

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397

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DES : Is Double Encryption using same key twice equivalent to single DES using different key but of same size

encryption block-cipher des

modified Sep 29 at 18:48 kelalaka 23.3k

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How is Twofish flattening the result of Reed-Solomon MDS matrix multiplication into a 32-bit result?

block-cipher twofish mds

modified Sep 29 at 9:55 kelalaka 23.3k

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58

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Decrypting an AES string

aes cryptanalysis block-cipher cbc obfuscation

modified Sep 28 at 20:08 William Martens 137

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118

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What Is The Number of Active S-boxes over 5 Rounds of Fides AE cipher?

block-cipher s-boxes mds

modified Sep 28 at 9:07 kelalaka 23.3k

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Mixing block cipher modes (AES)

aes block-cipher gcm aes-gcm

modified Sep 27 at 16:40 William Martens 137

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