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37

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Find salt that produces hash(knownInput , salt) = knownOutput

salt

modified 1 hour ago Fallouturama 1

0

votes

1

answer

19

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How can we reduce indistinguishability-from-random to other security notions?

encryption randomness

answered 2 hours ago Squeamish Ossifrage 33.2k

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9

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What's the likelihood of a collision if I use a hash to detect data change?

hash

asked 2 hours ago Nelson 101

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3

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60

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Why is “key-rotation” called key-rotation?

terminology key-rotation

modified 5 hours ago kayleeFrye_onDeck 113

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8

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Image (Encryption/Decryption) system using Residue Number System

encryption file-encryption

asked 5 hours ago pariola 101

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0

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126

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Missing public exponent

cryptanalysis lucas

modified 8 hours ago Maeher 4,390

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4

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121

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How is PBKDF2 so much better than normal Hashing or even using HMAC

encryption hmac brute-force-attack pbkdf-2 password-hashing

modified 8 hours ago hlayhel 7

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0

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13

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Do I need to use a matrix of size N x n for the public key in the BGV scheme when using Ring-LWE?

public-key homomorphic-encryption

modified 8 hours ago kelalaka 10.7k

0

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1

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24

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Proving a function is or is not a pseudorandom function F_k(x) = F_k(x)||0

pseudo-random-function

modified 9 hours ago Squeamish Ossifrage 33.2k

1

vote

1

answer

75

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Post-Quantum security of Pseudo-Random Functions

post-quantum-cryptography pseudo-random-function

modified 9 hours ago Squeamish Ossifrage 33.2k

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1

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15

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Constant number of rounds in Yao's Protocol for semi honest adversaries

multiparty-computation protocol-analysis

answered 9 hours ago Mikero 6,066

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1

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77

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CBC-MAC Padding weaknesses

padding cbc-mac

answered 10 hours ago hlayhel 7

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2

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678

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What is the difference between PRF and a Random Oracle?

pseudo-random-function

answered 11 hours ago hlayhel 7

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2

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52

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what are the benefits/limits of constructing AEAD using Duplex mode with ARX primitive (chacha20 for example)?

chacha sponge arx

answered 12 hours ago picarresursix 401

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