Cryptography

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 Famous Question
Question with 10,000 views. This badge can be awarded multiple times.
Awarded 761 times.
CBC with a fixed or random IV
Awarded Nov 30 at 1:33
Why is OCB-AES mode not becoming a standard for authenticated encryption?
Awarded Nov 22 at 16:56
Diffie-Hellman Key Exchange with Authentication: Man-in-the-Middle query
Awarded Nov 10 at 3:56
Creating a license system based on asymmetric encryption (RSA or ECDSA)
Awarded Nov 7 at 15:11
Why are ed25519 keys not recommended for encryption?
Awarded Nov 2 at 22:07
Does AES-CTR require an IV for any purpose other than distinguishing identical inputs?
Awarded Oct 26 at 12:20
Difference between CBC-MAC and CMAC
Awarded Oct 23 at 6:10
How do RSA and ECDSA differ in signing performance?
Awarded Oct 15 at 13:18
RSA with 3 primes
Awarded Oct 12 at 14:03
Difference between SHA 512, SHA 512 Half, SHA 256
Awarded Oct 12 at 10:18
How to find the generator of an elliptic curve? [duplicate]
Awarded Oct 11 at 17:15
Is it easy to crack a hashed phone number?
Awarded Oct 11 at 7:10
Proving the semantic security of the One Time pad
Awarded Oct 10 at 19:26
Hill Cipher known plaintext attack
Awarded Oct 5 at 13:16
What's the difference between rsa_pss_pss_* and rsa_pss_rsae_* schemes?
Awarded Oct 2 at 15:21
Does keyless encryption exist?
Awarded Oct 2 at 13:05
How to calculate time taken by encryption?
Awarded Sep 29 at 20:57
Final permutation table example with DES
Awarded Sep 28 at 18:32
Difference between X25519 vs. Ed25519
Awarded Sep 21 at 9:26
Understanding example of ECDSA P256
Awarded Sep 19 at 16:17
What's the difference between polylogarithmic and logarithmic? [closed]
Awarded Sep 17 at 19:48
Is AES-128 quantum safe?
Awarded Sep 3 at 18:41
How to measure ECC key size?
Awarded Sep 3 at 18:41
Hash algorithm with the least chance for collision
Awarded Aug 31 at 14:21
Is it safe to create a public ID by hashing a private key?
Awarded Aug 30 at 19:51
Extracting the hidden text off an image embedded with steganography
Awarded Aug 28 at 15:37
Why was AES CBC removed in TLS 1.3?
Awarded Aug 19 at 10:11
How to calculate an IV when I have a shared private key?
Awarded Aug 19 at 8:46
HMAC Key Sizes for MD5, SHA1, SHA224|256|384|512
Awarded Aug 17 at 12:18
Homomorphic cryptosystems in RSA
Awarded Aug 16 at 7:22
What makes SHA-256 secure?
Awarded Aug 4 at 10:40
LUKS multiple key slots - what's the intuition?
Awarded Aug 3 at 8:06
Single string producing two different hash results with SHA-256
Awarded Jul 31 at 18:47
How long does it take a quantum computer to brute force AES?
Awarded Jul 26 at 14:20
How to decrypt two images encrypted using XOR with the same key?
Awarded Jul 26 at 0:48
Current mathematics theory used in cryptography/coding theory
Awarded Jul 23 at 13:41
How can i check if a public key match with a private key
Awarded Jul 18 at 10:09
What does "G2" mean when used with X509 certficates and certificate authorities?
Awarded Jul 14 at 1:20
AES key length greater than 256 bits - is it dangerous to do an implementation outside of the standard?
Awarded Jul 7 at 1:45
What is the history of recommended RSA key sizes?
Awarded Jun 30 at 14:45
Using a Hash as a secure PRNG
Awarded Jun 15 at 19:27
Determine hashing algorithm [closed]
Awarded Jun 14 at 3:45
AES and ECDH key
Awarded Jun 11 at 7:47
Can an RSA private key have several public keys?
Awarded Jun 2 at 5:03
Is Curve P-384 equal to secp384r1?
Awarded May 30 at 8:25
What are the steps for decryption of RC4?
Awarded May 24 at 17:22
TLS 1.2 is still secure or should we move to TLS 1.3?
Awarded May 21 at 0:26
Can an AI really generate random numbers?
Awarded May 5 at 12:52
Cube-Root attack - RSA with low exponent
Awarded May 5 at 1:45
Why OpenSSH prefers ECDSA nistp256 keys over -384 and -521, and those over Ed25519, for host key verification?
Awarded May 4 at 13:55
Error propagation in CBC mode
Awarded Apr 27 at 8:06
Where can I get information on how to implement AES?
Awarded Apr 23 at 16:12
AES key reuse and guessing the key
Awarded Apr 21 at 7:11
Are there any simple and yet secure encryption algorithms?
Awarded Apr 15 at 8:25
Insecurity of CBC-MAC
Awarded Apr 12 at 14:11
How does the ring settings of enigma change wiring tables?
Awarded Apr 3 at 10:55
Why bcrypt is one-way while Blowfish is reversible?
Awarded Mar 28 at 19:25
Is the Java function AES/CBC/PKCS5Padding vulnerable to padding oracle?
Awarded Mar 26 at 15:40
What is a Non-Interactive Zero Knowledge Proof?
Awarded Mar 23 at 7:20
Is there any benefit from using SHA-512 over SHA-256 when AES just truncates it anyway?
Awarded Mar 21 at 0:36
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