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15h ago
What should be the size of a Diffie-Hellman private key? — Jim 183
1d ago
Cipher Feedback Mode — goldroger 18611
jun 14 at 21:40
In the SHA hash algorithm, why is the message always padded? — hihello4 292
jun 12 at 19:29
Simple/beginner level explanation of salt — NullPointerException 1204
jun 12 at 13:12
Why is padding used for RSA encryption given that it is not a block cipher? — mario 112
jun 11 at 10:53
Common modulus attack on RSA when the 2 public exponents differ by a single bit — Kit Ho 1305
jun 7 at 16:20
How can we reason about the cryptographic capabilities of code-breaking agencies like the NSA or GCHQ? — jokoon 21216
jun 7 at 1:21
How does a birthday attack on a hashing algorithm work? — lxgr 2935
jun 6 at 10:11
Is every output of a hash function possible? — Polynomial 499114
jun 3 at 13:09
How much computing resource is required to brute-force RSA? — eggyal 1428
jun 2 at 17:06
SHA-256 “midstate” — ThePiachu 39718
may 27 at 12:53
Possible ways to crack simple substitution ciphers — GamingX 375
may 25 at 23:29
What alphanumeric string length can be used to guarantee no hash collisions from CRC-64? — brandx 1284
may 23 at 16:26
What is a white-box implementation of a cryptographic algorithm? — ir01 963419
may 23 at 14:25
Why is MixColumns omitted from the last round of AES? — Fixee 877214
may 21 at 3:32
Impacts of not using RSA exponent of 65537 — makerofthings7 361112
may 19 at 19:05
What is the post-quantum cryptography alternative to Diffie-Hellman? — Nakedible 52019
may 17 at 8:03
PBKDF2 and salt — thrylos_7 162
may 15 at 18:25
RIPEMD versus SHA-x, what are the main pros and cons? — Jesper Mortensen 34129
may 15 at 12:48
How strong is the ECDSA algorithm? — ThePiachu 39718
may 15 at 8:37
How does one implement the Inverse of AES' MixColumns — goldroger 18611
may 14 at 12:46
Use of salt to hash a password — hrishikeshp19 1667
may 11 at 16:17
How do I store encrypted files on a web server and decrypt them locally? — Eyal 1755
may 10 at 12:24
How exactly would someone crack a private key passphrase? — Andrew 1174
may 7 at 11:40
What are the advantages of TOTP over HOTP? — Jader Dias 1286
may 7 at 2:28
What are the details of the DES weakness of reusing the same IV in CBC mode with the same key? — FractalizeR 1286
may 6 at 19:40
What place do prime numbers have in cryptography? — Xeoncross 20116
may 5 at 2:44
Why has the RSA factoring challenge been withdrawn? — Jus12 72138
may 1 at 19:56
For Diffie-Hellman, must g be a generator? — mikeazo♦ 7,9161938
apr 30 at 13:32
How do I correctly derive a Key and IV? — John Bubriski 1286
apr 24 at 18:58
Definition of Textbook RSA — Bobby S 410110
apr 18 at 21:26
Initialization vector length insufficient in AES — Rubi Sharmax 184
apr 18 at 7:11
Difference between stream cipher and block cipher — Ravindra Bagale 1236
apr 16 at 20:35
Avalanche effect in DES — user5507 391210
apr 16 at 14:07
At the current time, is SHA256 the de facto standard for strong cryptographic hashes? — Andrew 1174
apr 15 at 20:52
Could one prevent double spending in decentralized digital currencies (like Bitcoin) without all transactions being public? — Artem Kaznatcheev 1916
apr 11 at 20:03
Why use an Initialization Vector (IV)? — Ethan Heilman 959416
apr 11 at 16:07
What is the effect of the different AES key lengths? — tom 522
apr 8 at 0:27
How to solve MixColumns — goldroger 18611
apr 3 at 20:25
Can CBC ciphertext be decrypted if the key is known, but the IV not? — Ben 1554
apr 2 at 22:59
Reverse engineering a hash? — user316 735
apr 1 at 23:21
Why is it insecure to use a randomized IV for CBC-MAC instead of an all-zero IV? — Bobby S 410110
mar 28 at 0:19
What is entropy? — this.josh 27727
mar 27 at 15:12
How can rainbow tables be used for a dictionary attack? — Mitchell Kaplan 584
mar 23 at 1:40
Difference between encrypting something and hashing something — Joel B 1335
mar 22 at 13:37
Encrypting small values with RSA private key — joe 462
mar 20 at 9:55
SHA1 usage for passwords, alternatives and advantages? — Nick Rtz 1285
mar 20 at 6:19
How can SSL secure a two-way communication with only one key-pair? — GWLlosa 26927
mar 19 at 20:12
How is CipherCloud doing homomorphic encryption? — sashank 6891313
mar 19 at 14:31
Difference between “Signature Algorithm” and “Signature Hash Algorithm” in X.509 — HomeCoder 1487
mar 19 at 7:34
Why RSA encryption key is based on modulo(phi(n)) rather than modulo n — user5507 391210
mar 12 at 19:24
Which one of the Block Cipher modes is the best? — MR.NASS 312
mar 12 at 10:44
Cryptographic security of PHP mt_rand() function using Mersenne Twister algo — owlstead 67019
mar 12 at 7:53
Does the SHA hash function always generate a fixed length hash? — Jarvis 1525
mar 10 at 0:35
Current mathematics theory used in cryptography/coding theory — Vicfred 2251412
mar 8 at 9:44
Is AES-256 weaker than 192 and 128 bit versions? — quantumSoup 2065
mar 6 at 8:04
Cracking Pre-Paid Cards — Ahmed Saleh 1314
mar 5 at 22:25
“SHA-256” vs “any 256 bits of SHA-512”, which is more secure? — Pacerier 1826
mar 4 at 15:35
How were the DES S-box values determined? — samoz 872618
mar 3 at 13:41
Is calculating a hash code for a large file in parallel less secure than doing it sequentially? — Michael Goldshteyn 1515
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