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AES plaintext is smaller than 128 bits

aes block-cipher stream-cipher modes-of-operation

answered 2 days ago SAI Peregrinus 3,788

1

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1

answer

478

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How does using a really small block size reduce the key space?

block-cipher blocksize

modified Apr 11 at 7:55 fgrieu♦ 111k

3

votes

1

answer

65

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Number of plaintext–ciphertext pairs needed to rule out false keys with a reasonable likelihood in AES

aes block-cipher brute-force-attack known-plaintext-attack

answered Apr 5 at 12:33 poncho 118k

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1

answer

32

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Can we design a block cipher based on SP-network without loss of E/D similarity theoretically?

aes block-cipher des feistel-network spn

modified Apr 3 at 11:03 Community♦ 1

1

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0

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49

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Proving Security of a Tweakable Block Cipher in CBC Mode (Threefish)

block-cipher cbc initialization-vector tweakable-cipher

modified Mar 29 at 10:54 Ant.Ger 31

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1

answer

52

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1:1 algorithmic shuffle of massive numerical space

block-cipher

answered Mar 28 at 15:07 SEJPM♦ 42.6k

5

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1

answer

164

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

aes block-cipher authenticated-encryption gcm blocksize

modified Mar 26 at 18:32 kelalaka 34k

2

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0

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35

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LibTomCrypt Documentation on LRW Mode/Tweakable Block Cipher - Apparent Contradiction?

block-cipher initialization-vector tweakable-cipher

asked Mar 26 at 16:36 Ant.Ger 31

1

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1

answer

58

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Listing first 8 bits generated by LFSR

encryption block-cipher stream-cipher lfsr

answered Mar 26 at 15:06 Daniel Shiu 2,435

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1

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34

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IND-CCA insecurity of modified CBC encrypt + MAC scheme

block-cipher mac authenticated-encryption chosen-ciphertext-attack

answered Mar 19 at 3:03 poncho 118k

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1

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53

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Finding Multiplicative Inverse In Field

block-cipher stream-cipher finite-field algebraic-attack

modified Mar 18 at 15:18 fgrieu♦ 111k

2

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0

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55

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Is there any way to encrypt the path in between a small number of 3D positions?

elliptic-curves block-cipher algorithm-design discrete-logarithm

modified Mar 17 at 3:11 J. Doe 589

12

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2

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4k

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Why don't we use Blowfish if it hasn't been cracked?

encryption cryptanalysis block-cipher provable-security blowfish

modified Mar 14 at 21:25 kelalaka 34k

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41

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OpenSSL DES encryption for KCV calculation

block-cipher des openssl

modified Mar 11 at 21:11 daniel.franzini 33

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