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Sebi
  • Member for 7 years, 9 months
  • Last seen more than 1 year ago
408 votes
13 answers
165k views

Should we MAC-then-encrypt or encrypt-then-MAC?

89 votes
3 answers
162k views

How does RSA signature verification work?

  • 1,105
60 votes
3 answers
12k views

Hashing or encrypting twice to increase security?

  • 701
43 votes
4 answers
35k views

Basic explanation of Elliptic Curve Cryptography?

  • 1,823
39 votes
1 answer
30k views

Explaining weakness of Dual EC DRBG to wider audience?

  • 1,677
34 votes
2 answers
2k views

Hardness of finding mutual discrete logarithms of small generators in $\mathbb{Z}_p$

29 votes
2 answers
19k views

What exactly is a negligible (and non-negligible) function?

16 votes
4 answers
28k views

How does one calculate the scalar multiplication on elliptic curves?

15 votes
1 answer
8k views

Commitment scheme using hash functions

  • 2,528
14 votes
1 answer
2k views

When do ECC patents end?

  • 1,571
11 votes
1 answer
8k views

Can Elgamal be made additively homomorphic and how could it be used for E-voting?

  • 133
7 votes
2 answers
2k views

Picking a nonce in the context of CCM (CTR with CBC-MAC) mode

  • 271
6 votes
4 answers
925 views

How to forge Schnorr signatures if you can guess the challenge

  • 4,008
4 votes
1 answer
2k views

Does changing the random number selected for each message increase security in Schnorr's scheme?

  • 1,823
4 votes
2 answers
259 views

Is there a signature scheme for the Cramer-Shoup cryptosystem?

4 votes
1 answer
6k views

Authentication using AES

  • 271