Explore Our Questions

more tags

Active 2 Featured Hot Week Month

6

votes

2

answers

625

views

Is it possible to derive a public key from another public key without knowing a private key (Ed25519)?

public-key elliptic-curves key-derivation ed25519

modified 8 hours ago lovesh 330

2

votes

1

answer

76

views

Why does gnupg create 4 separate keys and what does sub and ssb mean?

public-key pgp

modified 23 hours ago F1Linux 90

1

vote

0

answers

39

views

Reason for including the public key of the key agreement in the KDF

public-key elliptic-curves diffie-hellman key-exchange key-derivation

modified yesterday Maarten Bodewes♦ 54.7k

3

votes

1

answer

146

views

Diffie-Hellman private key recover with non-prime modulus

public-key diffie-hellman discrete-logarithm modular-arithmetic elgamal-encryption

modified Feb 12 at 11:33 fgrieu 79.9k

0

votes

0

answers

42

views

Can we build a zero knowledge mapping using public-key encryption?

public-key zero-knowledge-proofs

modified Feb 12 at 10:16 liamzebedee 215

3

votes

1

answer

57

views

In NIST modulus and key size recommendations is `group` equivalent to modulus and `key` equivalent to exponent?

public-key diffie-hellman keys discrete-logarithm

modified Feb 12 at 7:11 fgrieu 79.9k

1

vote

1

answer

223

views

Post-quantum candidates for asymmetric cryptography with small key sizes

public-key post-quantum-cryptography key-size

modified Feb 8 at 7:22 forest 3,980

2

votes

1

answer

49

views

Find hash and signature algorithms used in an X.509 certificate signed with RSASSA-PSS

rsa public-key certificates x.509

modified Feb 6 at 22:03 Maarten Bodewes♦ 54.7k

0

votes

0

answers

27

views

Mitigating leakage of asymmetric encryption scheme leaking the length of plaintext

public-key padding

asked Feb 4 at 23:15 AppCryptoCK 1

0

votes

2

answers

99

views

zero knowledge proof of encryption

public-key zero-knowledge-proofs

modified Feb 3 at 16:01 Community♦ 1

1

vote

1

answer

53

views

How can you derive a P-256 public key from the X and Y points

public-key elliptic-curves encoding

modified Feb 2 at 11:21 Maarten Bodewes♦ 54.7k

0

votes

0

answers

33

views

Could any one suggest alternative Zero knowledge proof protocol to Schnorr protocol ZKP?

public-key cryptanalysis zero-knowledge-proofs schnorr-identification

modified Feb 1 at 8:41 lovesh 330

0

votes

1

answer

37

views

Finding a secret key corresponding to a public key

public-key brute-force-attack key-generation

answered Feb 1 at 1:32 bomberb17 28

10

votes

3

answers

2k

views

Asymmetry between public key and private key: digital signatures use the private key for “encryption”?

encryption public-key signature

modified Jan 31 at 23:06 Ella Rose♦ 16.2k

Browse More Questions

Cryptography Stack Exchange works best with JavaScript enabled