Teacher Badge - Cryptography Stack Exchange

sep 6 '11 at 6:34

ElGamal signature without calculating the inverse — blah 211

sep 5 '11 at 4:24

Time Capsule cryptography? — mikeazo♦ 7,5951637

sep 4 '11 at 22:44

What algorithm does PGP use to encrypt email? — senecaso 1834

sep 4 '11 at 3:47

What kind of attacks is this code vulnerable to? — Seth 73015

sep 2 '11 at 23:51

Is modern encryption needlessly complicated? — Ivo 1312

sep 2 '11 at 13:09

How can we reason about the cryptographic capabilities of code-breaking agencies like the NSA or GCHQ? — Kaveh 1414

sep 1 '11 at 20:37

What is the post-quantum cryptography alternative to Diffie-Hellman? — Steve Dispensa 1393

sep 1 '11 at 16:36

Calculating the amount of zero bits to be appended to the message — starblue 1314

aug 28 '11 at 19:39

How to practically find solutions to a discrete logarithm? — Samuel Neves 1,02749

aug 28 '11 at 8:24

What tests can I do to ensure my PRNG is working correctly? — asd 493

aug 27 '11 at 12:32

About Cryptography in a Character Language — David Cary 86819

aug 26 '11 at 17:04

What place do prime numbers have in cryptography? — woliveirajr 45217

aug 25 '11 at 22:47

Now that quantum computers have been out for a while, has RSA been cracked? — Stubabe 112

aug 24 '11 at 17:27

Why does PBKDF2 xor the iterations of the hash function together? — Dave 1112

aug 23 '11 at 17:47

Is digest=HASH(HASH(a)+HASH(b)) equivalent to publishing two digests? — user11342 512

aug 21 '11 at 18:01

Why does nobody use (or break) the Camellia Cipher? — tsundoku 24114

aug 19 '11 at 0:57

How robust is discrete logarithm in GF(2^n) ? — Samuel Neves 1912

aug 18 '11 at 3:24

Now that quantum computers have been out for a while, has RSA been cracked? — IDWMaster 27616

aug 17 '11 at 20:27

What security does Keccak offer against quantum attacks, specifically Grover's algorithm? — Elk Ruhds 661

aug 17 '11 at 19:17

Now that quantum computers have been out for a while, has RSA been cracked? — Alex Feinman 25815

aug 17 '11 at 13:52

How can my application make sure the right symmetric key is used for decryption? — fgrieu 9,8891237

aug 16 '11 at 21:07

How can SSL secure a two-way communication with only one key-pair? — Nakedible 51019

aug 14 '11 at 22:55

Applications of Group Ciphers — Pascal Paillier 511

aug 13 '11 at 14:44

Is calculating a hash code for a large file in parallel less secure than doing it sequentially? — David Schwartz 2,647413

aug 12 '11 at 21:54

What is entropy? — mephisto 711

aug 12 '11 at 20:29

What is the relation between RSA & Fermat's little theorem? — Jason 1511

aug 12 '11 at 20:29

What is the relation between RSA & Fermat's little theorem? — emboss 811

aug 12 '11 at 18:24

Applications of Group Ciphers — poncho 14.6k1628

aug 12 '11 at 9:54

Which algorithms are used to factorize large integers? — Jerry Coffin 39625

aug 11 '11 at 2:23

How should I store passwords that need to be available in plain text? — PearsonArtPhoto 1215

aug 11 '11 at 2:18

How can I improve a password generation scheme based on a shared secret and URL? — Nick Johnson 23413

aug 10 '11 at 20:23

How can I improve a password generation scheme based on a shared secret and URL? — JVerstry 1814

aug 10 '11 at 15:18

(post deleted or otherwise unavailable) — Paulo Marques 511

aug 10 '11 at 13:33

Should we MAC-then-encrypt or encrypt-then-MAC? — Sadeq Dousti 31418

aug 7 '11 at 7:04

Where do I securely store the key for a system where the source is visible? — Binyamin Sharet 24316

aug 5 '11 at 4:00

Reduction from signatures to encryption? — Mikero 55717

aug 4 '11 at 7:09

(post deleted or otherwise unavailable) — aditya kumar 11

aug 4 '11 at 7:09

Should I use ECB or CBC encryption mode for my block cipher? — D.W. 7,979826

aug 4 '11 at 6:04

Guarding against cryptanalytic breakthroughs: combining multiple hash functions — ircmaxell 1655

aug 3 '11 at 17:54

Is HTTPS secure if someone snoops the initial handshake? — Sam Bloomberg 1513

aug 3 '11 at 10:58

How does asymmetric encryption work? — Jeff Moser 1537

aug 3 '11 at 10:53

Can an Enigma-style cipher of sufficient complexity be considered secure in today's world? — Unsliced 1813

aug 3 '11 at 10:08

Why is there an enormous difference between SAT solvers? — Daniel Andrén 561

aug 3 '11 at 7:48

What alphanumeric string length can be used to guarantee no hash collisions from CRC-64? — ralu 23117

aug 2 '11 at 23:53

Properties of PRNG / Hashes — Marsh Ray 982310

aug 2 '11 at 22:28

Properties of PRNG / Hashes — John Gietzen 325211

jul 29 '11 at 13:19

About Cryptography in a Character Language — Keltia 1315

jul 22 '11 at 2:21

Why is there an enormous difference between SAT solvers? — TJ Ellis 1513

jul 18 '11 at 20:34

Is it possible to create an asymmetric cryptosystem where the private keys are not easily verifiable as such? — Ethan Heilman 959416

jul 18 '11 at 12:19

What makes a hash function good for password hashing? — nealmcb 301110

jul 18 '11 at 8:34

(post deleted or otherwise unavailable) — Robert Smith 1012

jul 17 '11 at 3:57

Reduction from signatures to encryption? — Zooko 75626

jul 14 '11 at 0:51

Taking advantage of one-time pad key reuse? — mixedmath 506112

jul 13 '11 at 15:36

advances in usability for cryptography/authentication — PulpSpy 4,4891720

jul 13 '11 at 15:36

(post deleted or otherwise unavailable) — Dave DuPlantis 996

jul 13 '11 at 14:41

How can SSL secure a two-way communication with only one key-pair? — Soumya 23018

jul 13 '11 at 14:41

How can SSL secure a two-way communication with only one key-pair? — Brandon Carter 307312

jul 13 '11 at 14:01

Taking advantage of one-time pad key reuse? — ir01 931418

jul 13 '11 at 13:36

Necessity of Randomness of Salts? — Stephanie 1315

jul 13 '11 at 12:56

How can I generate large prime numbers for RSA? — giuper 1312

Badge

This badge has been awarded 437 times. Recently awarded to: