User e-sushi

4 votes

Can someone give me an example of a Merkle–Damgård transformation?

answered Oct 25, 2017 at 7:09

4 votes

Accepted

Has any crypto hash function been proven to be surjective?

answered Jan 12, 2018 at 0:24

4 votes

What is the difference between these two TLS suites?

answered Jan 23, 2018 at 18:01

4 votes

How to attack RSA with 13 primes

answered Apr 17, 2018 at 11:30

4 votes

What is an example of asymmetric cryptography?

answered Mar 12, 2018 at 11:34

4 votes

Best way to encrypt lots of private keys with the same passphrase

answered Mar 1, 2018 at 17:48

4 votes

Is it possible to crack a LFSR encrypted file without using bruteforce?

answered May 5, 2018 at 12:52

4 votes

Is it possible for a cryptographic algorithm to limit the number of times a package/ciphertext can be decrypted?

answered Jun 21, 2018 at 2:17

4 votes

Is there a consensus on what text encoding to use when hashing a string?

answered Jul 21, 2018 at 5:27

3 votes

Accepted

Looking for the inverse of the following equation

answered May 22, 2017 at 18:32

3 votes

What is logical key hierarchy (LKH)?

answered Jun 12, 2017 at 17:39

3 votes

Accepted

Tiger Tree Hash vs generic Merkle Tree

answered Jul 4, 2017 at 15:34

3 votes

Why is plain-hash-then-encrypt not a secure MAC?

answered May 28, 2014 at 3:49

3 votes

Pseudocode for constant time modular exponentiation

answered Apr 29, 2014 at 19:16

3 votes

How do you test the security of your cipher?

answered Apr 30, 2014 at 17:49

3 votes

Is modern encryption needlessly complicated?

answered May 2, 2014 at 19:53

3 votes

Accepted

Is SHA-256 safe when used in this way?

answered Jan 20, 2014 at 0:54

3 votes

Accepted

Is it possible to track down copies of WW2-era codebooks?

answered Apr 22, 2014 at 8:58

3 votes

Accepted

Is the logic for how the enigma machine worked documented somewhere?

answered Jan 2, 2014 at 16:27

3 votes

Accepted

What is the difference between PPE and SPPE?

answered Dec 12, 2013 at 4:56

3 votes

Digicipher and other proprietary systems?

answered Jan 18, 2014 at 13:13

3 votes

Accepted

What are requirements for this grille?

answered Sep 29, 2013 at 7:54

3 votes

How to attack a fixed LCG with partial output?

answered Sep 29, 2013 at 17:41

3 votes

Is there any open-source white-box implementation of AES or DES?

answered Aug 27, 2013 at 2:03

3 votes

Can someone randomly guess the key to AES 256 bit encryption?

answered Apr 5, 2017 at 18:34

3 votes

Truncated 60 bit SHA1 collision detection?

answered Oct 30, 2016 at 23:55

3 votes

What is straight line black box reduction?

answered Nov 17, 2016 at 17:34

3 votes

Does a Vigenère cipher with SHA-512 and a little foresight turn into a one-time pad? How safe can it be?

answered Oct 7, 2016 at 4:58

3 votes

Finding AES ciphertext stealing test vectors?

answered Jan 11, 2017 at 8:43

3 votes

Accepted

Decrypting SHA-512

answered Oct 4, 2018 at 3:13

Stack Exchange Network

207 Answers

Can someone give me an example of a Merkle–Damgård transformation?

Has any crypto hash function been proven to be surjective?

What is the difference between these two TLS suites?

How to attack RSA with 13 primes

What is an example of asymmetric cryptography?

Best way to encrypt lots of private keys with the same passphrase

Is it possible to crack a LFSR encrypted file without using bruteforce?

Is it possible for a cryptographic algorithm to limit the number of times a package/ciphertext can be decrypted?

Is there a consensus on what text encoding to use when hashing a string?

Looking for the inverse of the following equation

What is logical key hierarchy (LKH)?

Tiger Tree Hash vs generic Merkle Tree

Why is plain-hash-then-encrypt not a secure MAC?

Pseudocode for constant time modular exponentiation

How do you test the security of your cipher?

Is modern encryption needlessly complicated?

Is SHA-256 safe when used in this way?

Is it possible to track down copies of WW2-era codebooks?

Is the logic for how the enigma machine worked documented somewhere?

What is the difference between PPE and SPPE?

Digicipher and other proprietary systems?

What are requirements for this grille?

How to attack a fixed LCG with partial output?

Is there any open-source white-box implementation of AES or DES?

Can someone randomly guess the key to AES 256 bit encryption?

Truncated 60 bit SHA1 collision detection?

What is straight line black box reduction?

Does a Vigenère cipher with SHA-512 and a little foresight turn into a one-time pad? How safe can it be?

Finding AES ciphertext stealing test vectors?

Decrypting SHA-512