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Active 3 Bountied Hot Week Month

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2

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KDF and salt storage

authentication key-derivation pbkdf-2 salt

modified 1 hour ago Community♦ 1

1

vote

0

answers

21

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Is there any block-cipher, format-preserving or similar encryption method with known cycle size? (without short-cut)

block-cipher algorithm-design format-preserving

modified 5 hours ago fgrieu♦ 110k

1

vote

1

answer

50

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Security level of DSA when $q$ is a 224 bit prime?

dsa

modified 7 hours ago fgrieu♦ 110k

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1

answer

53

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How to solve this decryption algorithm given the encryption algorithm?

encryption perfect-secrecy decryption

modified 10 hours ago Community♦ 1

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1

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70

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Why would you want to keep the Initialization Vectors Public?

encryption hash public-key cryptanalysis initialization-vector

modified 13 hours ago Community♦ 1

2

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1

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158

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Is Lamport-Diffie EUF-CMA secure in the standard model?

signature random-oracle-model hash-signature

modified 17 hours ago Community♦ 1

4

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2

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275

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Why are leaf nodes hashed in merkle tree?

hash hash-tree

answered 21 hours ago Maarten Bodewes♦ 77.2k

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35

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PGP file size limit for encryption

pgp

asked yesterday Ozwel 13

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1

answer

51

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Meaning of Dilithium-1024x768 or Dilithium2

signature post-quantum-cryptography nist

modified yesterday DannyNiu 4,541

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1

answer

56

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Is there a way to use a one-way hash function for both sides to “ratchet” an asymmetric keypair?

hash public-key

answered yesterday poncho 117k

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1

answer

159

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A generalisation of Shannon's theorem of perfect secrecy

perfect-secrecy semantic-security

modified yesterday Community♦ 1

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42

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Calculating ECDSA Private Key From Multiple Signatures With Shared k (random nonce)

elliptic-curves signature dsa

asked yesterday Martin 103

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1

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22

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Speeding up XMSS

hash post-quantum-cryptography hash-tree

modified yesterday poncho 117k

1

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1

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384

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Triple Diffie-Hellman and MITM

encryption diffie-hellman man-in-the-middle

modified yesterday Community♦ 1

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