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Dingo13
  • Member for 8 years, 11 months
  • Last seen more than a month ago
25 votes
4 answers
20k views

The exact difference between a permutation and a substitution

20 votes
1 answer
11k views

Does collision resistance imply (or not) second-preimage resistance?

13 votes
1 answer
5k views

Proofs by reduction and times of adversaries

12 votes
2 answers
3k views

Is a small size block cipher usable?

10 votes
1 answer
2k views

Difference between computational and statistical indistinguishabilities

9 votes
4 answers
7k views

Security proofs for CBC mode

8 votes
8 answers
2k views

A block cipher with independent keys for each round

7 votes
1 answer
2k views

Proofs of security methodologies

7 votes
2 answers
2k views

What is the definition of "security beyond the birthday paradox"?

7 votes
1 answer
8k views

How do RSA and ECDSA differ in signing performance?

7 votes
2 answers
1k views

OCB and GCM security

7 votes
5 answers
6k views

AES decryption vs encryption speed

7 votes
1 answer
1k views

2-party private set intersection

6 votes
1 answer
623 views

Is the RSA signature attack from Desmedt and Odlyzko practical?

5 votes
1 answer
299 views

McEliece and cryptanalysis

5 votes
3 answers
4k views

Cryptography and FPGA

5 votes
1 answer
1k views

Functions that are only second-preimage resistant?

5 votes
1 answer
2k views

Unforgeability and type of adversary

5 votes
1 answer
2k views

Signature with appendix

4 votes
2 answers
586 views

Hash function based on block cipher (and proof of security in the PRP model)

4 votes
1 answer
382 views

Questions about the ideal cipher model

4 votes
2 answers
1k views

Why does PSS produce an EM message that's almost as long as the modulus?

3 votes
2 answers
2k views

About salted passwords

3 votes
2 answers
655 views

Does CTR mode yield a PRF?

3 votes
2 answers
450 views

Signature and hash function properties

3 votes
2 answers
855 views

security in the standard model → random oracle model?

3 votes
2 answers
269 views

Have these compositions of block ciphers the same security?

3 votes
3 answers
529 views

Construct a random permutation from a random function?

3 votes
2 answers
2k views

Secure use-cases of block cipher with 64-bit block size

3 votes
2 answers
417 views

Composition of block ciphers and 3DES