Scholar Badge - Cryptography Stack Exchange

dec 21 '11 at 15:40

How close is homomorphic encryption to handling regular expressions? — Jeff Burdges 25216

dec 16 '11 at 19:23

How to choose a padding mode with AES — Cocowalla 1646

dec 16 '11 at 11:26

Is it safe to store initial counter value for AES-CTR alongside with ciphertext? — Anton Gogolev 1383

dec 14 '11 at 18:24

How does GPG verify succesful decryption? — Christopher Käck 235

dec 14 '11 at 0:52

What does SSL use? RSA? El-Gamal? Elliptic curves? — chizwiz 162

dec 13 '11 at 14:55

Are there two-way encryption algorithms that include a work factor? — Nathan Long 1233

dec 11 '11 at 0:29

Why does the padding in MD5 contain the message length? — Sniffer 1463

dec 1 '11 at 22:03

Is a using salt important when creating a hash data validator? — Chad 1536

dec 1 '11 at 5:44

What is the property of RSA where N=e? — Jake 404

nov 30 '11 at 19:35

Is it a good idea to use bitwise XOR on a set of MD5 sums? — Benoit 1184

nov 30 '11 at 16:49

Software implementation of a commutative cipher? — Roy Pardee 232

nov 29 '11 at 12:52

How to distribute session keys in public key cryptography? — Lunar Mushrooms 1794

nov 28 '11 at 9:35

Why is elliptic curve cryptography not widely used, compared to RSA? — Vineet Menon 22027

nov 23 '11 at 20:17

How can I create a fixed length output in my hash function? — joesavage 1212

nov 22 '11 at 19:20

What is the proper way to use a client nonce? — Shad 1283

nov 22 '11 at 18:00

Is a RSA-signature of some identifying data a safe way to implement a license key? — ispiro 1595

nov 22 '11 at 0:13

Cipher for Product Registration? — Anti Earth 1282

nov 19 '11 at 1:03

How does a chosen ciphertext attack work, with a simple example? — mixkat 1785

nov 17 '11 at 14:46

RSA-PSS salt size — Conrado PLG 700111

nov 15 '11 at 21:47

Is H(k||length||x) a secure MAC construction? — Gilles 462219

nov 13 '11 at 0:12

Why is it insecure to use a randomized IV for CBC-MAC instead of an all-zero IV? — Bobby S 410110

nov 11 '11 at 9:21

Is it reasonable to assure that p-1 and q-1 aren't smooth? — Stefano Palazzo 29619

nov 11 '11 at 6:50

(post deleted or otherwise unavailable) — Kiran Ravindranathan 1032

nov 11 '11 at 2:19

(post deleted or otherwise unavailable) — Mr_CryptoPrime 1715

nov 7 '11 at 3:20

Threshold Secret sharing - How to create a shared secret from pre existing secret parts? — Hamouid 462

nov 5 '11 at 22:48

Can CBC ciphertext be decrypted if the key is known, but the IV not? — Ben 1554

nov 2 '11 at 20:16

Is there a secret sharing scheme which allows delegation/re-sharing without reconstructing the original secret? — imichaelmiers 59617

nov 1 '11 at 3:17

How can I encrypt more than 64 bit with the Data Encryption Standard? — Prasanna Kumar 132

oct 31 '11 at 15:06

Can one generalize the Diffie-Hellman key exchange to three or more parties? — hobeau 934

oct 31 '11 at 14:36

Is Blowfish strong enough for VPN encryption? — Rory Alsop 232112

oct 30 '11 at 11:23

If the PSK is known, is it possible to decrypt traffic from other clients in a WPA2 wlan network? — Bachi 1283

oct 28 '11 at 16:14

How can Cipher Block Chaining (CBC) in SSL be attacked? — antonpug 1413

oct 26 '11 at 22:19

Why is H(k||x) not a secure MAC construction? — Anne Nonimus 1583

oct 26 '11 at 20:45

Does the XML Encryption flaw affect SSL/TLS? — zimdanen 1185

oct 25 '11 at 21:11

Endless PRNG from PRNG with specific stretch? — Ricky Demer 860210

oct 25 '11 at 12:13

AES in ECB mode weakness — jjsanchez 384

oct 24 '11 at 21:23

Is there a group of prime order which could fit the CT-Computational Diffie-Hellman assumption? — oopsdude 182

oct 24 '11 at 13:22

Deniable Encryption from simple primitives — Jason Knight 333

oct 20 '11 at 5:19

Getting the encryption method and key from the encrypted data and the raw data — CYMR0 132

oct 18 '11 at 11:21

Is there a hash function with 2048bit output? — mykhal 1214

oct 17 '11 at 6:13

Encrypt-then-MAC Confidentiality, Integrity and Authenticity — John Black 282

oct 17 '11 at 2:30

uniquely identify a symmetric key — senecaso 1834

oct 13 '11 at 5:26

Is there an algorithm or hardware that can sign/verify natural time? — est 1233

oct 12 '11 at 17:52

RIPEMD versus SHA-x, what are the main pros and cons? — Jesper Mortensen 34119

oct 12 '11 at 16:32

Are there reference implementations of ECQV implicit certificates? — Yann Ramin 1084

oct 10 '11 at 13:54

When is an asymmetric scheme considered broken? — makerofthings7 359112

oct 10 '11 at 12:14

Does anyone have a KAT for 3DES KO-2? — Sean B. Durkin 1234

oct 8 '11 at 22:41

Why choose an authenticated encryption mode instead of a separate MAC? — Zack 20715

oct 5 '11 at 13:56

What is the likely cause when this happens in RSA Algorithm — sashank 6701313

oct 4 '11 at 15:09

Using a mono-alphabetic substitution cipher with a different language per word — Scott 284

oct 3 '11 at 16:06

Signature scheme with two private keys, neither derivable from the other — David Schwartz 2,647413

oct 3 '11 at 15:51

Public key generation in homomorphic encryption schemes — Andrei Petrenko 1315

oct 1 '11 at 7:07

How long does it take to crack DES and AES? — huyichen 22028

sep 30 '11 at 19:12

Where can i get the info to implement AES? — Dennis Hayden 282

sep 30 '11 at 15:17

How should one implement a delegated shared trust protocol? — Gary Rowe 1018

sep 30 '11 at 12:12

How does one scale encryption strength upwards from 256-bit? — McGafter 1115

sep 30 '11 at 4:50

Google is using RC4, but isn't RC4 considered unsafe? — jonasl 17615

sep 28 '11 at 20:58

How does HOTP keep in sync? — mrwooster 1333

sep 28 '11 at 20:48

What is wrong with using SHA1 in digital signatures? Why is a robust hash function needed? — pcunite 1483

sep 28 '11 at 18:47

How to enhance randomness of AES? — Roberto Aloi 1284

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