Cryptography Stack Exchange

0

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0

answers

12

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Need help determining what type of cipher was used for a message

encryption

asked 5 hours ago OolongMilkTea 1

3

votes

2

answers

180

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+50

Definition of $x^u \bmod k$

rsa

modified 5 hours ago fgrieu♦ 102k

2

votes

1

answer

106

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How to recover a message with shared modulus for textbook RSA

rsa

modified 7 hours ago fgrieu♦ 102k

0

votes

1

answer

34

views

questions about sensitivity in differential privacy

differential-privacy

modified 7 hours ago Community♦ 1

1

vote

1

answer

39

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Is it possible to get the PGP public key from PGP message?

pgp

answered 8 hours ago Maarten Bodewes♦ 71.7k

0

votes

2

answers

30

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Construction of a “simple”, nothing-up-my-sleeves, provably KPA resistant symmetric cipher

encryption aes known-plaintext-attack

modified 9 hours ago SEJPM♦ 39.5k

0

votes

0

answers

17

views

Advanced Composition (Differential Privacy)

data-privacy database differential-privacy

asked 11 hours ago Miguel Gutierrez 58

2

votes

1

answer

430

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Cracking a key using a combination of partial keys

cryptanalysis block-cipher keys entropy side-channel-attack

modified 12 hours ago Community♦ 1

1

vote

1

answer

33

views

MQV protocol and man-in-middle attack

public-key diffie-hellman key-exchange authenticated-encryption

answered 14 hours ago arcaynia 86

2

votes

1

answer

147

views

Chaining one-time signatures

signature post-quantum-cryptography one-time-signature

modified 15 hours ago uk-ny 29

7

votes

1

answer

464

views

How do client and server agree on the values of p and g during DHE exchange?

diffie-hellman tls finite-field

modified 21 hours ago dave_thompson_085 4,288

0

votes

1

answer

53

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Is there a re-encryption sheme that its re-encryption key can be public?

proxy-re-encryption

answered yesterday Carter Klein 1

1

vote

1

answer

44

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What is the best way of deterministically choosing N of M, given 32 bytes of sha256?

hmac sha-256

answered yesterday arcaynia 86

8

votes

1

answer

25k

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What is the difference between key size and block size (for AES)?

aes block-cipher algorithm-design keys terminology

modified yesterday Marcelo Fornet 103

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Need help determining what type of cipher was used for a message

Definition of $x^u \bmod k$

How to recover a message with shared modulus for textbook RSA

questions about sensitivity in differential privacy

Is it possible to get the PGP public key from PGP message?

Construction of a “simple”, nothing-up-my-sleeves, provably KPA resistant symmetric cipher

Advanced Composition (Differential Privacy)

Cracking a key using a combination of partial keys

MQV protocol and man-in-middle attack

Chaining one-time signatures

How do client and server agree on the values of p and g during DHE exchange?

Is there a re-encryption sheme that its re-encryption key can be public?

What is the best way of deterministically choosing N of M, given 32 bytes of sha256?

What is the difference between key size and block size (for AES)?

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