Cryptography Stack Exchange

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32

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Estimating the Security of SIS-Based Signature, by verifiying a subset of coordinates?

hash collision-resistance lattice-crypto forgery sis

asked 22 hours ago abdul rahman taleb 99

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1

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24

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Are hashes only used to confirm data integrity when used for distributed ledgers?

hash

answered Jun 21 at 22:21 Squeamish Ossifrage 29.1k

1

vote

1

answer

113

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Strength of key derived from a hash function considering the birthday attack

hash entropy birthday-attack

modified Jun 20 at 15:47 Squeamish Ossifrage 29.1k

1

vote

1

answer

108

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Where do the constants for SHA-1/2/3 come from?

hash sha-1 sha-3 sha-2 constants

modified Jun 19 at 13:35 Ella Rose♦ 17.2k

7

votes

1

answer

161

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How many unique elements are generated by a variation on the equation in DSA for r?

hash dsa

modified Jun 16 at 14:29 Squeamish Ossifrage 29.1k

2

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2

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91

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Verify partial message given hash of full message

hash verifiability checksum

modified Jun 16 at 13:54 Squeamish Ossifrage 29.1k

6

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2

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1k

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Signing Files vs. Signing File Hashes

hash sha-256 pgp

modified Jun 13 at 18:22 yls 1

0

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1

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40

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Probabilistic verification of signature schemes like RSA?

hash rsa public-key signature modular-arithmetic

modified Jun 12 at 15:19 Squeamish Ossifrage 29.1k

14

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3

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3k

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Can we assume that a hash function with high collision resistance also means a highly uniform distribution?

hash random-number-generator collision-resistance

modified Jun 7 at 12:21 assobuco 31

4

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2

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316

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GMAC vs HMAC in message forgery and bandwidth

hash tls hmac forgery ghash

modified Jun 6 at 13:25 Squeamish Ossifrage 29.1k

2

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3

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114

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How can a hash have a fixed length?

encryption hash algorithm-design

answered Jun 4 at 1:57 assobuco 31

2

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2

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548

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HMAC-SHA512 output randomness?

hash random-number-generator hmac sha-512

modified Jun 3 at 21:33 assobuco 31

6

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2

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618

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Are there MD5 collisions for inputs of different length?

hash collision-resistance md5

answered Jun 1 at 14:11 SEJPM♦ 30k

5

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2

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3k

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Looking at hash output – is Base64 encoding in any way better than HEX encoding?

hash key-derivation bcrypt scrypt argon2

modified May 29 at 11:22 Maarten Bodewes♦ 56.6k

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Estimating the Security of SIS-Based Signature, by verifiying a subset of coordinates?

Are hashes only used to confirm data integrity when used for distributed ledgers?

Strength of key derived from a hash function considering the birthday attack

Where do the constants for SHA-1/2/3 come from?

How many unique elements are generated by a variation on the equation in DSA for r?

Verify partial message given hash of full message

Signing Files vs. Signing File Hashes

Probabilistic verification of signature schemes like RSA?

Can we assume that a hash function with high collision resistance also means a highly uniform distribution?

GMAC vs HMAC in message forgery and bandwidth

How can a hash have a fixed length?

HMAC-SHA512 output randomness?

Are there MD5 collisions for inputs of different length?

Looking at hash output – is Base64 encoding in any way better than HEX encoding?

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