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Indistinguishability versus Indifferentiability

block-cipher feistel-network indistinguishability

asked 9 hours ago Novice_researcher 415

1

vote

1

answer

68

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How are keys mapped to cipher texts in block ciphers with large block sizes?

block-cipher

modified yesterday kelalaka 38.4k

1

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2

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98

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Is there any fundamental difference between the block cipher operations encryption and decryption?

encryption block-cipher decryption pseudo-random-permutation

answered Dec 2 at 18:14 Fractalice 2,905

8

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3

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952

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Any advantage to a block cipher which is not efficiently invertible?

block-cipher pseudo-random-permutation

modified Dec 1 at 18:39 kelalaka 38.4k

24

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2

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62k

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How to solve MixColumns

aes block-cipher

modified Nov 25 at 19:59 Matthias Braun 139

3

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2

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693

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RCON for AES 192 and 256

aes block-cipher keys

modified Nov 22 at 15:25 kelalaka 38.4k

1

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1

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598

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How can AES-CCM behave as an AEAD stream cipher?

encryption aes block-cipher stream-cipher aes-gcm

modified Nov 18 at 14:55 Maarten Bodewes♦ 81.8k

0

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1

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328

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8 bit block cipher in CTR mode for practice - counter is 32 bits

block-cipher ctr

modified Nov 15 at 23:06 CommunityBot 1

2

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1

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566

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Cracking a key using a combination of partial keys

cryptanalysis block-cipher keys entropy side-channel-attack

modified Nov 6 at 20:00 CommunityBot 1

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2

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764

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What will be appropriate AES padding characters?

aes block-cipher padding

modified Nov 3 at 11:27 kelalaka 38.4k

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1

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68

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What is the need of substitution and permutation networks in AES?

aes block-cipher diffusion spn

answered Nov 3 at 1:26 Luis Casillas 13.8k

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0

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56

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What would be an O(n) time adversary for this kind of scheme

block-cipher symmetric chosen-plaintext-attack

modified Nov 1 at 8:53 DiegoLopez 31

6

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1

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318

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How to securely encrypt/decrypt data with a maximum chunk size?

aes block-cipher authenticated-encryption gcm blocksize

modified Oct 31 at 15:15 kelalaka 38.4k

1

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2

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63

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How do we find differentials in differential cryptanalysis when we don't the details about the S-boxes

cryptanalysis block-cipher differential-analysis linear-cryptanalysis

modified Oct 28 at 21:26 kelalaka 38.4k

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