User Dingo13

25 votes

4 answers

22k views

The exact difference between a permutation and a substitution

asked May 30, 2013 at 11:56

21 votes

1 answer

14k views

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

asked Jun 28, 2014 at 9:32

13 votes

1 answer

2k views

Difference between computational and statistical indistinguishabilities

asked Nov 19, 2013 at 14:41

13 votes

1 answer

5k views

Proofs by reduction and times of adversaries

asked Feb 11, 2014 at 13:08

13 votes

2 answers

4k views

Is a small size block cipher usable?

asked Jun 19, 2013 at 14:07

9 votes

4 answers

7k views

Security proofs for CBC mode

asked Nov 6, 2013 at 19:34

9 votes

1 answer

10k views

How do RSA and ECDSA differ in signing performance?

asked May 5, 2014 at 22:13

8 votes

8 answers

3k views

A block cipher with independent keys for each round

asked Jul 5, 2013 at 16:23

8 votes

5 answers

7k views

AES decryption vs encryption speed

asked Sep 2, 2015 at 9:13

8 votes

1 answer

2k views

2-party private set intersection

asked Sep 19, 2017 at 9:26

7 votes

1 answer

1k views

Is the RSA signature attack from Desmedt and Odlyzko practical?

asked Sep 21, 2017 at 8:18

7 votes

2 answers

2k views

OCB and GCM security

asked Aug 26, 2014 at 5:38

7 votes

1 answer

2k views

Proofs of security methodologies

asked Jun 7, 2013 at 13:04

7 votes

2 answers

2k views

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

asked Oct 12, 2013 at 14:58

5 votes

1 answer

426 views

Questions about the ideal cipher model

asked Jun 8, 2013 at 13:11

5 votes

1 answer

2k views

Signature with appendix

asked Jun 24, 2013 at 9:13

5 votes

1 answer

1k views

Functions that are only second-preimage resistant?

asked Jun 14, 2014 at 8:09

5 votes

1 answer

2k views

Unforgeability and type of adversary

asked Dec 18, 2013 at 22:04

5 votes

3 answers

5k views

Cryptography and FPGA

asked Aug 19, 2015 at 7:32

5 votes

1 answer

349 views

McEliece and cryptanalysis

asked Jul 9, 2014 at 9:07

4 votes

2 answers

2k views

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

asked Sep 13, 2017 at 20:17

4 votes

1 answer

6k views

Hash functions with or without secret key

asked Feb 15, 2014 at 14:54

4 votes

2 answers

2k views

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

asked Jun 4, 2013 at 8:43

4 votes

2 answers

638 views

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

asked Sep 10, 2013 at 13:54

3 votes

2 answers

283 views

Have these compositions of block ciphers the same security?

asked Jun 10, 2013 at 10:56

3 votes

2 answers

441 views

Composition of block ciphers and 3DES

asked Jun 6, 2013 at 12:57

3 votes

3 answers

569 views

Construct a random permutation from a random function?

asked Jul 3, 2013 at 7:28

3 votes

2 answers

575 views

PRP, PRF and modular arithmetic

asked Feb 22, 2014 at 10:51

3 votes

1 answer

442 views

The exact definition of a symmetric encryption

asked Nov 27, 2013 at 15:20

3 votes

2 answers

2k views

Signature based on public key cryptography and forgery

asked Feb 10, 2014 at 19:10

Stack Exchange Network

66 Questions

The exact difference between a permutation and a substitution

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

Difference between computational and statistical indistinguishabilities

Proofs by reduction and times of adversaries

Is a small size block cipher usable?

Security proofs for CBC mode

How do RSA and ECDSA differ in signing performance?

A block cipher with independent keys for each round

AES decryption vs encryption speed

2-party private set intersection

Is the RSA signature attack from Desmedt and Odlyzko practical?

OCB and GCM security

Proofs of security methodologies

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

Questions about the ideal cipher model

Signature with appendix

Functions that are only second-preimage resistant?

Unforgeability and type of adversary

Cryptography and FPGA

McEliece and cryptanalysis

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

Hash functions with or without secret key

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

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

Have these compositions of block ciphers the same security?

Composition of block ciphers and 3DES

Construct a random permutation from a random function?

PRP, PRF and modular arithmetic

The exact definition of a symmetric encryption

Signature based on public key cryptography and forgery