Student Badge - Cryptography Stack Exchange

jul 13 '12 at 12:01

Different implementations of SHA1, which one is correct? — nrz 1134

jul 12 '12 at 21:03

AES GCM implementation in c# — crawfish 1236

jul 12 '12 at 15:11

Signing 14 bytes of data — Philipp T. 1112

jul 10 '12 at 22:23

What differentiates a password hash from a cryptographic hash besides speed? — Steven Xu 1785

jul 10 '12 at 14:03

KDF with low-entropy salts — Dirk Kaestner 83

jul 9 '12 at 21:58

Encryption with private key? — Edward 61

jul 9 '12 at 14:57

RSA algorithm's license free or paid? — samir 161

jul 8 '12 at 12:11

Is SSL getting faster because it's getting less secure? — Gelatin 1233

jul 8 '12 at 9:26

why do we need Diffie Hellman? — piotrek 1332

jul 6 '12 at 19:09

What is the harm if I publish an encrypted RSA private key publicly? — Dusty W 1134

jul 6 '12 at 15:43

I need an opinion of encryption method I thought of in High school — Nenad Mandic 212

jul 6 '12 at 13:48

Is this design of client side encryption secure? — Andrey Botalov 1496

jul 5 '12 at 14:31

Using a derived key for CMAC — silentser 184

jul 5 '12 at 13:51

Poor man's SSL - is this method as safe as SSL/TLS? — empi 1163

jul 4 '12 at 18:36

RC4 Keylength Limits — Andrew Jones 232

jul 3 '12 at 11:40

Learnt cryptography and python. What do I do next? [closed] — ritratt 163

jul 2 '12 at 19:53

Vulnerabilities of encrypting data with known regularities — Ruud v A 1083

jul 1 '12 at 11:55

Deciphering a key from XOR encrypted cypher using boolean logic — user148298 1083

jun 30 '12 at 20:20

Multiple Hash Functions that work in either nesting — cgoddard 1362

jun 30 '12 at 12:45

How are state wiretaps obtaining plaintext from encrypted transmissions? — Bryson 1284

jun 29 '12 at 15:32

Using bad generator in ElGamal Encryption — padde 1355

jun 27 '12 at 19:15

How can I validate a hashed password if all I have is another hash? — EAMann 1234

jun 27 '12 at 13:15

Asymmetric algorithm to generate compact unique messages that can be validated — Kieran Benton 1233

jun 26 '12 at 22:25

Is it possible to make time-locked encrytion algorithm? — Toby Allen 1064

jun 26 '12 at 17:50

Are there any known collisions for the SHA-2 family of hash functions? — Pacerier 1826

jun 25 '12 at 21:39

Getting started [closed] — Joe 1135

jun 22 '12 at 21:18

What is the difference between these AES encryption methods — RazorSharp 1135

jun 21 '12 at 21:28

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

jun 21 '12 at 17:13

What do the magic numbers 0x5c and 0x36 in the opad/ipad calc in HMAC do? — sneak 1685

jun 20 '12 at 21:52

How can I solve the discrete logarithm modulo 2q+1 if I can solve it in the subgroup of order q? — bambinoh 183

jun 19 '12 at 16:52

Are there standards for transport layer security using only symmetric keys? — Toby Jaffey 1134

jun 19 '12 at 12:47

Distinguishing Encryption Methods from the Output — bobuhito 1062

jun 19 '12 at 12:47

Regarding matsui's Paper on Linear Cryptanalysis of DES — Malice 133

jun 19 '12 at 12:47

Is it possible to use the RSA algorithm, or a variant, for software licensing? — Carlo 62

jun 19 '12 at 12:47

Encryption vs. decryption of same plaintext — Jim 1062

jun 19 '12 at 12:47

GPG/PGP Verification of Revocation — earthmeLon 1557

jun 19 '12 at 12:47

Looking for cipher that uses one ciphertext — Global nomad 10817

jun 19 '12 at 0:21

Can I pre-define the points in Shamir's Secret Sharing algorithm — grieve 1383

jun 18 '12 at 20:51

Why are there $ signs in my passwd file? — mistrfu 1132

jun 18 '12 at 17:06

Is ECB mode secure if plaintexts guaranteed to be unique? — MrNerdHair 1183

jun 18 '12 at 12:06

Goldreich-Goldwasser-Micali Construction — cryptopathe 54715

jun 18 '12 at 11:01

Is symmetric encryption vulnerable to plain-text-attacks? — John 112

jun 18 '12 at 5:16

Is this password migration strategy secure? — Major Major 1905

jun 16 '12 at 23:00

Toy cipher — does it have a name? — Rhymoid 1453

jun 16 '12 at 18:40

Why is ciphertext from low entropy plaintext not compressible? — B. VB. 1483

jun 16 '12 at 12:00

How can I find two strings $m_1$ and $m_2$, knowing that I know $m_1 \oplus m_2$? [duplicate] — SRKX 1264

jun 14 '12 at 13:59

MD5 implementation doubt — cryptofreak 311

jun 14 '12 at 6:54

Difference between encrypting something and hashing something — Joel B 1335

jun 13 '12 at 23:49

How do digital certificates work, and why is it not possible to reverse engineer one from a signed file? — Raghav Sood 1184

jun 12 '12 at 23:38

Why would anyone use an elliptic curve with a cofactor > 1? — poncho 15.1k1628

jun 11 '12 at 21:42

Transparent cipher — Kirill Morarenko 133

jun 11 '12 at 19:52

Why does CBC decryption with a wrong IV still give readable results? — JoelFan 1353

jun 11 '12 at 11:42

Does ShaCrypt have the properties which make BCrypt slow on GPUs? — Hendrik Brummermann♦ 503323

jun 10 '12 at 9:02

Okay to use OpenSSL to encrypt then sign a message? — Shawn J. Goff 1135

jun 8 '12 at 16:31

Idea for secure password hash-likes, is this feasible/usable/workable? — Markus Mikkolainen 1061

jun 7 '12 at 18:01

Attack vectors introduced by compilers — Martin Berger 1163

jun 6 '12 at 20:25

Practical necessity of semantic security under chosen plain text attack (CPA) in CBC mode — David 1583

jun 6 '12 at 12:55

How secure is my OTP program? — Janman 1804

jun 6 '12 at 10:35

How can 3DES encryption use decryption in the middle step? — Erfan 62

jun 4 '12 at 18:44

K out of N encryption — Thomas Ahle 1313

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