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This badge has been awarded 31 times. Recently awarded to:
jun 12 at 8:15
How does a chosen ciphertext attack work, with a simple example? — mixkat 17815
jun 8 at 0:50
Identifying encryption method from encrypted string — Shiraz Bhaiji 26026
jun 5 at 23:57
Why is public-key encryption so much less efficient than secret-key encryption? — JustinY 15815
may 29 at 8:48
How to choose a padding mode with AES — Cocowalla 16416
may 21 at 7:43
What are the benefits of the two permutation tables in DES? — Am1rr3zA 27537
may 16 at 19:18
Why is AES resistant to known-plaintext attacks? — Jeff Ferland 17516
may 15 at 15:04
How does one calculate a primitive root for Diffie-Hellman? — yydl 22425
may 7 at 11:10
When to use RSA and when ElGamal asymmetric encryption — curious 56239
may 3 at 4:23
How can I use asymmetric encryption, such as RSA, to encrypt an arbitrary length of plaintext? — samoz 872618
apr 21 at 18:34
How is CipherCloud doing homomorphic encryption? — sashank 6891313
mar 21 at 19:31
How does the index of coincidence work in the Kasiki test? — norman 3612
mar 12 at 10:59
How much would it cost in U.S. dollars to brute force a 256 bit key in a year? — John Fischer 23133
feb 19 at 16:14
RSA encryption with private key and decryption with a public key — Humam Shbib 14013
feb 7 at 19:09
What is safer: ZipCrypto or AES-256? — alex 13813
jan 31 at 7:44
How long does it take to crack DES and AES? — huyichen 22528
jan 25 at 14:38
How secure is AES-256? — Gustav 11912
jan 21 at 20:41
Is Convergent Encryption really secure? — Justin King 20325
jan 5 at 17:48
Google is using RC4, but isn't RC4 considered unsafe? — jonasl 17615
dec 30 at 12:46
Uncompress the winRar password protected file without password. (not brute force attacking) — Titan Zack 111
dec 22 at 6:02
Best way to reduce chance of hash collisions: Multiple hashes, or larger hash? — Theodor Kleynhans 6215
dec 2 at 1:00
Why is elliptic curve cryptography not widely used, compared to RSA? — Vineet Menon 310138
nov 25 at 18:03
Basic explanation of Elliptic Curve Cryptography? — user5507 391210
nov 23 at 11:17
Should I use ECB or CBC encryption mode for my block cipher? — silverback 206211
nov 19 at 15:49
How does one attack a two-time pad (i.e. one time pad with key reuse)? — Samer Meggaly 6815
nov 13 at 15:01
How should I calculate the entropy of a password? — this.josh 27727
nov 2 at 21:21
How does asymmetric encryption work? — Senad Meškin 7916
oct 22 at 10:20
Should we MAC-then-encrypt or encrypt-then-MAC? — Thomas Pornin 19.5k13671
oct 10 at 9:33
What are the practical difference between 256-bit, 192-bit, and 128-bit AES encryption? — samoz 872618
oct 5 at 2:20
How can I generate large prime numbers for RSA? — Lukman 28226
sep 27 at 12:38
Is modern encryption needlessly complicated? — Ozzah 34435
sep 2 at 19:39
Taking advantage of one-time pad key reuse? — Elliott 23126