Student Badge - Cryptography Stack Exchange

apr 20 '12 at 7:40

How to solve MixColumns — goldroger 18110

apr 17 '12 at 19:34

How much bigger does a precomputed lookup table get when salt is added? — akh2103 1112

apr 16 '12 at 10:23

Deterministic nonces in CTR mode — CodesInChaos 5,9541927

apr 15 '12 at 22:38

One-way function and factoring — Iceberg Hotspot 163

apr 14 '12 at 20:07

Blind signature with openssl — Lu4 161

apr 14 '12 at 0:24

Useful pairings for cryptography — Edvard Fagerholm 332

apr 13 '12 at 17:09

What are advantages of using a HMAC over RSA with SHA-1 hashes? — Shane 1282

apr 13 '12 at 10:04

X9.62 Multiplying an elliptic curve point by a number — ted 1405

apr 12 '12 at 10:23

AES-NI implementation examples — Albert Veli 414

apr 11 '12 at 20:18

Big-O Notation: Encryption Algorithms — Mered Williams 82

apr 11 '12 at 19:28

What is the correct way to generate cryptographically-secure pseudorandom numbers in C? — Tom Scrace 111

apr 11 '12 at 11:23

Verilog simulation & synthesis of Diffie-Hellman key exchange — Nullpoet 1111

apr 10 '12 at 10:03

Does encrypting twice using the same block cipher produce a security weakness? — rezx 1192

apr 9 '12 at 8:22

RSA finding the inverse of the public exponent — Ashwin 1485

apr 7 '12 at 12:01

My custom handshake — Vincent 1084

apr 4 '12 at 17:30

Symmetric vs. Asymmetric cryptographic approaches to data security — Mfon Kiwi Eti-mfon 61

apr 4 '12 at 16:45

Encryption algorithm that produces dummy output on incorrect passwords — Jack Singleton 334

apr 3 '12 at 16:39

Can I use a one time pad key twice with random plaintext? — mfrankli 1534

apr 2 '12 at 23:19

Trouble with diffie-hellman groups — cipher 161

apr 1 '12 at 23:39

How secure is AES-256? — Gustav 11912

apr 1 '12 at 15:09

How does one attack a two-time pad (i.e. one time pad with key reuse)? — Samer Meggaly 6315

mar 31 '12 at 3:02

Openssl implementation of improved sha1 hashing [closed] — polapts 1062

mar 30 '12 at 17:07

HASH Algorithm for 8 bits MCU — Paul A. 1061

mar 30 '12 at 17:02

Does a public key absolutely need to be used to initiate an encrypted session? — Bob Bryan 1405

mar 30 '12 at 16:57

Do Rabin Fingerprints have any advantages over CRC? — aidanhs 213

mar 30 '12 at 16:57

ZKIP for Paillier public key correctness — johny 82

mar 30 '12 at 16:57

Which encodings have |encoding key| >> |decoding key|? — Arjen Kruithof 1063

mar 30 '12 at 16:57

(post deleted or otherwise unavailable) — Sunny 1013

mar 30 '12 at 11:47

RC4 : Keystream reconstruction? — Kiyohime Shoji 132

mar 30 '12 at 11:47

What are the advantages of TOTP over HOTP? — Jader Dias 1286

mar 29 '12 at 20:37

AES with whitening mode — Rambo 163

mar 29 '12 at 14:21

Can you make a hash out of a stream cipher? — Ilmari Karonen 6,291725

mar 29 '12 at 13:41

Are there any Implementations of Secure Indexes? — itsme 291

mar 29 '12 at 0:46

Can a user of a password-protected Wi-Fi sniff on other user's communication? — Abdull 1332

mar 28 '12 at 11:46

How to authenticate over open channel? — Ryan 1284

mar 27 '12 at 7:16

Is RSA padding needed for single recipient, one-time, unique random message? — jrgray 282

mar 25 '12 at 20:40

What is the PRG period of stream ciphers such as RC4 or Salsa20? — rlandster 1183

mar 23 '12 at 20:59

How to calculate an IV when I have a shared private key? — Geotarget 1354

mar 22 '12 at 19:19

Is a subset of a random set still random? — jonleighton 182

mar 21 '12 at 15:44

Checking a key before actually using it — Remo.D 1335

mar 21 '12 at 5:04

Is this fixed length MAC unforgeable? — Govardhan 61

mar 21 '12 at 5:04

How to generate successive stream-cipher keys? — James 61

mar 21 '12 at 5:04

Deciphering a Message [closed] — spikestar 61

mar 21 '12 at 4:59

How realistic is a dictionary attack on a secure remote password protocol (SRP) verifier? — Grant BlahaErath 1856

mar 20 '12 at 23:44

Is it generally possible to employ brute force methods when the encryption scheme is not known? Why or why not? — Matt Munson 1184

mar 20 '12 at 22:09

(post deleted or otherwise unavailable) — KDEx 1013

mar 20 '12 at 21:44

McEliece for streaming data — publixo 111

mar 20 '12 at 11:24

Block ordering and security in a MAC? — hanok 71

mar 20 '12 at 11:24

Order Preserving Encryption for Numeric Data Values — Shani 233

mar 20 '12 at 10:09

How are primes generated for RSA? — Vilx- 21615

mar 19 '12 at 16:58

128 bit hash with least chance of collision — Alec 1232

mar 19 '12 at 15:18

Complexity of arithmetic in a finite field? — Nadori 1112

mar 19 '12 at 15:08

Why does RSA give better security on longer messages? — Humam Shbib 14013

mar 19 '12 at 15:03

How should I check the received ephemeral Diffie-Hellman public keys? — geertj 283

mar 19 '12 at 14:03

What are the methods to construct a primitive binary nonlinear feedback shift register (NLFSR)? — Bluemilk 1311

mar 19 '12 at 7:23

How is BCrypt secure when it uses a static dataset for blowfish hashing? — Jarvis 1525

mar 18 '12 at 14:37

Is SHA1 secure with such many inputs Z that Z = constant secret X + variable public Y? — seven_swodniw 1423

mar 18 '12 at 11:47

S-box Cryptanalytic Resistance — Andrew 232

mar 17 '12 at 0:57

Is the following scheme secure for different cipher — Snowbear 1113

mar 14 '12 at 18:24

Implementing the BGN Cryptosystem — offsite 233

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