Cryptography
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65 Answers

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33
How does order-preserving encryption work?
Jun 22 '13 at 1:39
21
Why not the one-time pad with pseudo-number generator
Sep 18 '13 at 21:24
20
RSA & DH at risk due to math advances, will this eventually affect elliptic curves too?
Nov 30 '15 at 5:29
17
Should I delete cryptographic data from memory?
Aug 27 '13 at 0:08
15
Any practical uses of machine learning for cryptography?
Aug 16 '13 at 17:43
12
Order-Preserving Encryption (OPE) and leakage
Jun 29 '16 at 18:07
12
SHA-1:Is there any mathematical result that gives us the minimum number of 1's in a 160-bit SHA-1 hash output?
May 15 '13 at 17:40
9
Which cryptography technique does not increase the size of the plain data?
Jan 22 '16 at 4:13
8
Practical multivariate quadratic FHE – how does it compare to other FHEs?
Jun 3 '16 at 18:12
7
Can anyone give an example where (asymmetric) crypto can go wrong due to selection of wrong groups?
Nov 11 '13 at 21:15
7
How to do a literature search
May 11 '13 at 1:20
6
Homomorphism and Zero Knowledge in FIPS 140-2 compliant systems
Feb 16 '16 at 18:51
6
Using HMAC as a nonce with AES-CTR encrypt-and-MAC
Nov 29 '15 at 0:37
6
Define “cryptographer”
Sep 28 '15 at 15:42
6
What is the most computationally efficient way of generating pseudo-random permutations?
Nov 6 '14 at 0:13
6
MARS and RC6 in CUDA
Oct 21 '13 at 21:51
5
What are good sources for properly learning cryptography for a mathematician?
Jul 10 '17 at 1:32
5
Does frequent key change weaken encryption?
Jan 15 '16 at 1:14
5
How resilient to attackers with extreme resources available is this encryption method?
Aug 20 '13 at 21:59
4
Is it generally okay to substitute “like for like”?
Jul 11 '17 at 3:59
4
Encrypting big numbers into small ones?
Jun 30 '16 at 3:23
4
Which ciphers produce random ciphertext?
Jan 16 '16 at 1:56
4
Is it an overkill to add external integrity check to the AES-GCM encoding?
Nov 17 '15 at 22:12
3
Zero knowledge proofs in practice
Jul 8 '17 at 18:58
3
Are any of the practical implementations of ORAM being used in a real world system?
Jul 9 '16 at 18:41
3
A confusion on the proof of Yao's theorem (Yao 82)
Mar 31 '16 at 22:38
3
How exactly does AES-NI work?
Oct 8 '14 at 20:24
3
Weak Stream Cipher cryptanalysis
Dec 1 '13 at 10:06
3
Open source implementations of Symmetric Searchable Encryption and Order Preserving Encryption
Oct 23 '13 at 18:37
3
If we can find prime numbers larger than 17 milion digits, why can't we find all 1024bit primes?
Jun 24 '13 at 1:15
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