user avatar
user avatar
user avatar
wlad
  • Member for 7 years, 4 months
  • Last seen more than a month ago
33 votes
6 answers
15k views

Why aren't zero-knowledge proofs used in practice for authentication?

26 votes
4 answers
5k views

How do we know a cryptographic primitive won't suddenly fail?

12 votes
1 answer
1k views

If RSA is only used to encrypt symmetric keys which are random, what's wrong with textbook RSA?

11 votes
2 answers
3k views

Why use randomness in digital signature algorithms?

7 votes
2 answers
6k views

What is the "compression function" in Merkle-Damgård?

4 votes
1 answer
468 views

Why is the re-encryption algorithm in Universal Re-encryption for Mixnets more complicated than apparently necessary?

3 votes
0 answers
58 views

El-Gamal and Lines on Planes

3 votes
1 answer
759 views

Is it OK to substitute a PRF for a random oracle?

2 votes
0 answers
41 views

Are there UFDs where the factorization problem is difficult but finding irreducibles is cheap?

2 votes
1 answer
112 views

Cryptographic enforcement schemes using Diffie-Hellman

1 vote
0 answers
48 views

Registration and log in through public key cryptography?

0 votes
1 answer
95 views

Interesting malleability property of Goldwasser-Micali PKC