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2

votes

1

answer

68

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Why HAIFA and sponge constructions are not prone to length extension attacks?

hash sha-256 sha-3 sponge blake2

modified 22 hours ago kelalaka 20.6k

0

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0

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33

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Explaining the reason of radically more accuracy while using different set of hash functions instead of same set of hash functions on some operations

hash sha-256 randomness differential-privacy probability

modified 22 hours ago Anastasia Tillibiu 1

4

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0

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402

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Hash Function Properties

hash terminology preimage-resistance

modified yesterday Maarten Bodewes♦ 72.5k

-1

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1

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2k

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Hash-Then-Encrypt or Encrypt-the-Hash?

hash rsa aes

modified yesterday kelalaka 20.6k

10

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1

answer

968

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Why does SHA2-224 use different IV's than SHA2-256?

hash sha-256 initialization-vector sha-2 sha-224

modified yesterday kelalaka 20.6k

5

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1

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200

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What is the sponge construction in simple terms?

hash pseudo-random-function sha-3 sha-2 sponge

modified Aug 9 at 16:14 Maarten Bodewes♦ 72.5k

8

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1

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513

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“official” guidelines about the minimum length of a truncated hash

hash sha-256 preimage-resistance standards

modified Aug 9 at 11:42 kelalaka 20.6k

2

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2

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75

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Is it safe to XOR-combine hashes by rotating them first?

hash xor

modified Aug 8 at 23:11 Daniel Lubarov 277

10

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2

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3k

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Is 512 bits a more secure hashing than 256 bits?

encryption hash pseudo-random-function

modified Aug 8 at 15:24 Nezar Abo Ghanem 301

1

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1

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75

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Understanding the HAIFA (hash iterative framework) structure

hash blake2

modified Aug 8 at 11:58 kelalaka 20.6k

0

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1

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59

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Design flaws when designing a MAC-function

hash block-cipher mac

modified Aug 6 at 20:06 Community♦ 1

4

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2

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166

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Why blake2b is the fastest despite it being 512 bits hashing algorithm?

hash blocksize blake2

modified Aug 6 at 16:53 kelalaka 20.6k

6

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3

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3k

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How to get an output of SHA-1 with first 2-bit are zeros?

hash sha-1

modified Aug 6 at 13:48 kelalaka 20.6k

4

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2

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465

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The length extension attack and security on length shortening of a hashed message by one byte

hash sha-1 md5 sha-2 length-extension

modified Aug 6 at 7:24 Evgeni Vaknin 766

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