User pg1989

38 votes

Accepted

How does order-preserving encryption work?

encryption order-preserving

answered Jun 22, 2013 at 1:39

21 votes

Why not the one-time pad with pseudo-number generator

answered Sep 18, 2013 at 21:24

20 votes

Accepted

RSA & DH at risk due to math advances, will this eventually affect elliptic curves too?

rsa elliptic-curves diffie-hellman discrete-logarithm

answered Nov 30, 2015 at 5:29

17 votes

Accepted

Should I delete cryptographic data from memory?

implementation side-channel-attack

answered Aug 27, 2013 at 0:08

17 votes

Any practical uses of machine learning for cryptography?

encryption cryptanalysis

answered Aug 16, 2013 at 17:43

13 votes

Accepted

Order-Preserving Encryption (OPE) and leakage

order-preserving

answered Jun 29, 2016 at 18:07

12 votes

SHA-1:Is there any mathematical result that gives us the minimum number of 1's in a 160-bit SHA-1 hash output?

hash sha-1

answered May 15, 2013 at 17:40

9 votes

Accepted

Which cryptography technique does not increase the size of the plain data?

encryption reference-request

answered Jan 22, 2016 at 4:13

8 votes

Can anyone give an example where (asymmetric) crypto can go wrong due to selection of wrong groups?

provable-security group-theory

answered Nov 11, 2013 at 21:15

8 votes

Practical multivariate quadratic FHE – how does it compare to other FHEs?

homomorphic-encryption

answered Jun 3, 2016 at 18:12

7 votes

How to do a literature search

reference-request literature

answered May 11, 2013 at 1:20

7 votes

What is the most computationally efficient way of generating pseudo-random permutations?

block-cipher format-preserving pseudo-random-permutation

answered Nov 6, 2014 at 0:13

6 votes

Accepted

Define "cryptographer"

terminology

answered Sep 28, 2015 at 15:42

6 votes

Accepted

MARS and RC6 in CUDA

implementation rc6 mars

answered Oct 21, 2013 at 21:51

6 votes

Accepted

Homomorphism and Zero Knowledge in FIPS 140-2 compliant systems

zero-knowledge-proofs standards fips-140

answered Feb 16, 2016 at 18:51

6 votes

Accepted

Using HMAC as a nonce with AES-CTR encrypt-and-MAC

hmac authenticated-encryption ctr nonce deterministic-encryption

answered Nov 29, 2015 at 0:37

5 votes

What are good sources for properly learning cryptography for a mathematician?

reference-request

answered Jul 10, 2017 at 1:32

5 votes

How resilient to attackers with extreme resources available is this encryption method?

aes cbc authenticated-encryption scrypt

answered Aug 20, 2013 at 21:59

5 votes

Does frequent key change weaken encryption?

encryption protocol-analysis attack

answered Jan 15, 2016 at 1:14

4 votes

Accepted

Which ciphers produce random ciphertext?

encryption aes randomness

answered Jan 16, 2016 at 1:56

4 votes

Is it an overkill to add external integrity check to the AES-GCM encoding?

aes hmac cbc gcm integrity

answered Nov 17, 2015 at 22:12

4 votes

Accepted

Is it generally okay to substitute “like for like”?

protocol-design

answered Jul 11, 2017 at 3:59

4 votes

Is there a cryptography algorithm that will remain safe if P=NP?

provable-security complexity

answered Sep 14, 2017 at 17:08

4 votes

Encrypting big numbers into small ones?

encryption

answered Jun 30, 2016 at 3:23

3 votes

Are any of the practical implementations of ORAM being used in a real world system?

implementation multiparty-computation oblivious-ram

answered Jul 9, 2016 at 18:41

3 votes

Accepted

A confusion on the proof of Yao's theorem (Yao 82)

provable-security distinguisher pseudo-random-generator

answered Mar 31, 2016 at 22:38

3 votes

Accepted

Zero knowledge proofs in practice

zero-knowledge-proofs

answered Jul 8, 2017 at 18:58

3 votes

How exactly does AES-NI work?

aes cbc

answered Oct 8, 2014 at 20:24

3 votes

If we can find prime numbers larger than 17 milion digits, why can't we find all 1024bit primes?

rsa

answered Jun 24, 2013 at 1:15

3 votes

Asymmetric format preserving encryption?

public-key format-preserving

answered Sep 19, 2013 at 17:55

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64 Answers

How does order-preserving encryption work?

Why not the one-time pad with pseudo-number generator

RSA & DH at risk due to math advances, will this eventually affect elliptic curves too?

Should I delete cryptographic data from memory?

Any practical uses of machine learning for cryptography?

Order-Preserving Encryption (OPE) and leakage

SHA-1:Is there any mathematical result that gives us the minimum number of 1's in a 160-bit SHA-1 hash output?

Which cryptography technique does not increase the size of the plain data?

Can anyone give an example where (asymmetric) crypto can go wrong due to selection of wrong groups?

Practical multivariate quadratic FHE – how does it compare to other FHEs?

How to do a literature search

What is the most computationally efficient way of generating pseudo-random permutations?

Define "cryptographer"

MARS and RC6 in CUDA

Homomorphism and Zero Knowledge in FIPS 140-2 compliant systems

Using HMAC as a nonce with AES-CTR encrypt-and-MAC

What are good sources for properly learning cryptography for a mathematician?

How resilient to attackers with extreme resources available is this encryption method?

Does frequent key change weaken encryption?

Which ciphers produce random ciphertext?

Is it an overkill to add external integrity check to the AES-GCM encoding?

Is it generally okay to substitute “like for like”?

Is there a cryptography algorithm that will remain safe if P=NP?

Encrypting big numbers into small ones?

Are any of the practical implementations of ORAM being used in a real world system?

A confusion on the proof of Yao's theorem (Yao 82)

Zero knowledge proofs in practice

How exactly does AES-NI work?

If we can find prime numbers larger than 17 milion digits, why can't we find all 1024bit primes?

Asymmetric format preserving encryption?