Cryptography Stack Exchange is a question and answer site for software developers, mathematicians and others interested in cryptography. It only takes a minute to sign up.

Sign up to join this community

Anybody can ask a question

Anybody can answer

The best answers are voted up and rise to the top

Explore our Questions

Ask Question

more tags

Active Hot Week Month

0

votes

0

answers

12

views

Comparing two private values and extracting the ciphertext corresponding to the minimum value

encryption zero-knowledge-proofs multiparty-computation order-preserving

asked 2 hours ago Mahsa Bastankhah 31

1

vote

1

answer

42

views

PRNG For RSA (ANSI_X9.31)

encryption hash rsa aes des

modified 14 hours ago Community♦ 1

6

votes

1

answer

1k

views

Help in understanding exactly how lattices are used as one-way functions for hashing

encryption hash one-way-function lattice-crypto

modified 20 hours ago Patriot 2,547

1

vote

1

answer

60

views

Using Alberti Disks to Create a Strong Cipher

encryption classical-cipher pen-and-paper

modified 22 hours ago Patriot 2,547

2

votes

1

answer

66

views

Does asymmetric order-preserving encryption exist?

encryption homomorphic-encryption order-preserving

answered 22 hours ago Maeher 6,044

86

votes

2

answers

150k

views

What is the difference between CBC and GCM mode?

encryption cbc modes-of-operation gcm

answered yesterday SSA 562

2

votes

1

answer

64

views

Can CPA secure scheme be converted to CCA secure?

encryption public-key provable-security chosen-plaintext-attack chosen-ciphertext-attack

modified yesterday Occams_Trimmer 3,933

1

vote

2

answers

1k

views

Key Scheduling of the International Data Encryption Algorithm (IDEA)

encryption key-schedule idea

modified 2 days ago Patriot 2,547

1

vote

1

answer

92

views

Creating nested messages in OpenPGP

encryption public-key pgp

modified 2 days ago Community♦ 1

2

votes

2

answers

130

views

Zero knowledge RSA public key

encryption rsa public-key zero-knowledge-proofs

modified Jul 23 at 6:27 fgrieu♦ 114k

2

votes

1

answer

44

views

How does Authentication-Key Recovery for GCM work?

encryption collision-resistance gcm forgery key-recovery

modified Jul 22 at 9:59 CodesInChaos 23.6k

0

votes

1

answer

83

views

Which encryption technique should be adopted to keep the search functionalities?

encryption aes cbc ecb searchable-encryption

modified Jul 22 at 1:03 Community♦ 1

1

vote

2

answers

93

views

Does reusing IV in AES-CBC weaken it?

encryption aes cbc

modified Jul 21 at 16:57 Mikero 8,720

4

votes

4

answers

728

views

Modifying an Enigma machine to allow unchanged letters

encryption cryptanalysis cryptographic-hardware enigma

modified Jul 21 at 15:25 Patriot 2,547

Browse more Questions

Cryptography Stack Exchange works best with JavaScript enabled