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Active 1 Bountied Hot Week Month

1

vote

1

answer

11

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SHA-256 security for initial 32 bits

sha-256 birthday-attack

modified 14 mins ago kelalaka 17.9k

1

vote

2

answers

268

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Why is Math.floor(Math.random()*9000) not secure in JavaScript?

random-number-generator randomness

modified 1 hour ago fgrieu 97.5k

1

vote

4

answers

144

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Why are there standards of encryption?

encryption standards

answered 2 hours ago Moisés Ferreira 46

0

votes

2

answers

99

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Why is Curve25519 mostly used for key exchange?

elliptic-curves key-exchange

modified 5 hours ago Woodstock 886

0

votes

1

answer

57

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Are bijective polynomials of degree $2 \bmod 2^m$ efficiently inverted?

hash modular-arithmetic one-way-function bijection

answered 6 hours ago Wolfgang Brehm 101

0

votes

1

answer

18

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ECDH Public Key Recovery - Determine if valid key exists from just signature and message

signature diffie-hellman dsa

answered 6 hours ago poncho 106k

0

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2

answers

43

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Modes of operation that simply uses the tweak of a tweakable block cipher

modes-of-operation tweakable-cipher

answered 7 hours ago SEJPM♦ 37.6k

0

votes

0

answers

40

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Why did the NSA create SHA?

hash nsa

asked 8 hours ago How_To _Privacy 17

0

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1

answer

26

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How can I get VMAC Code in pure c?

algorithm-design mac

answered 8 hours ago SEJPM♦ 37.6k

0

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0

answers

28

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Is XChacha20 - Poly1305 Quantum resistant?

stream-cipher post-quantum-cryptography chacha salsa20

asked 14 hours ago Vivekanand V 425

0

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1

answer

26

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Example of a Two-party GMW Protocol

answered 18 hours ago Mikero 6,696

1

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2

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122

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Chosen plain-text Attack on DES-X with roughly $2^{64}$ DES operations

des chosen-plaintext-attack

answered 18 hours ago user6584 41

0

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2

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120

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Is there an efficient algorithm that allows to construct a cryptographically secure $n$-bit hash function based on two unkeyed $n$-bit permutations?

hash algorithm-design

modified 20 hours ago Community♦ 1

0

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1

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36

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How modern messengers encryption keys can't be hacked

answered 20 hours ago gusto2 1,109

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