User pg1989

13 votes

0 answers

901 views

Given a 'good' basis for a lattice, how can we solve the CVP?

public-key lattice-crypto

asked Aug 1, 2014 at 3:23

10 votes

2 answers

4k views

Example of a PRP that is not a strong PRP

security-definition pseudo-random-permutation

asked Feb 20, 2016 at 23:57

9 votes

4 answers

2k views

Can we design a public-key infrastructure without certificate authorities?

protocol-design certificates pki

asked Sep 18, 2013 at 19:44

9 votes

2 answers

7k views

Why do all hash functions use big-endian data?

hash implementation

asked Mar 16, 2012 at 4:01

8 votes

3 answers

631 views

What kind of adversary is the cloud?

protocol-design

asked May 9, 2013 at 18:26

7 votes

1 answer

904 views

Simple application of verifiable random function?

pseudo-random-function verifiability verifiable-random-function

asked Mar 18, 2016 at 2:24

6 votes

1 answer

1k views

What is 'key agility' in relation to symmetric-key encryption?

keys symmetric terminology

asked Nov 27, 2013 at 20:37

5 votes

2 answers

2k views

Is this a structural weakness of Feistel networks?

cryptanalysis provable-security feistel-network

asked Sep 25, 2013 at 0:52

5 votes

1 answer

827 views

Why does CBC-MAC need prefix-free inputs to be a good PRF?

cbc-mac

asked Nov 1, 2013 at 21:30

5 votes

1 answer

736 views

Is this method of deterministically using CBC secure?

modes-of-operation cbc deterministic-encryption

asked Aug 9, 2013 at 0:24

5 votes

3 answers

929 views

How feasible is word-level frequency analysis over English (or any language)?

cryptanalysis frequency-analysis tokenization

asked Aug 6, 2014 at 0:22

4 votes

1 answer

175 views

Statistical tests for pseudorandom permutations

statistical-test format-preserving pseudo-random-permutation

asked Sep 3, 2014 at 21:43

4 votes

1 answer

318 views

How secure is this use of Ziv-Lempel encoding?

compression protocol-analysis order-preserving encoding

asked Aug 27, 2013 at 23:34

4 votes

2 answers

738 views

CTR mode nonce with aggressive key rotation policy

block-cipher modes-of-operation ctr nonce

asked Jul 19, 2013 at 22:57

3 votes

1 answer

250 views

Straightforward method for hampering frequency analysis on deterministic encryption

cryptanalysis frequency-analysis

asked Aug 5, 2014 at 19:26

3 votes

0 answers

577 views

What aspects of information theory are used in modern cryptography? [closed]

cryptanalysis entropy information-theory

asked Nov 4, 2013 at 6:54

3 votes

1 answer

569 views

What are the possible cryptographic implications of Zhang's proof of the Twin Prime Conjecture?

number-theory prime-numbers

asked Sep 26, 2013 at 22:25

3 votes

1 answer

3k views

Demonstrating the insecurity of an RSA signature encoding scheme

rsa signature

asked Dec 9, 2011 at 21:32

3 votes

1 answer

166 views

Bridging the gap between security proofs and "real-world" security

provable-security security-definition

asked Sep 29, 2014 at 23:53

2 votes

1 answer

892 views

Is this key management scheme secure?

key-derivation pbkdf

asked Jul 2, 2013 at 22:43

2 votes

2 answers

1k views

Encrypting and MACing different data with same key

keys mac

asked Jun 13, 2013 at 18:43

2 votes

1 answer

96 views

Are there any signature schemes that protect against collusion by multiple parties?

signature protocol-design

asked Mar 18, 2012 at 4:47

1 vote

1 answer

889 views

Resources for basics of lattice crypto [closed]

lattice-crypto

asked Jul 2, 2013 at 3:03

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23 Questions

Given a 'good' basis for a lattice, how can we solve the CVP?

Example of a PRP that is not a strong PRP

Can we design a public-key infrastructure without certificate authorities?

Why do all hash functions use big-endian data?

What kind of adversary is the cloud?

Simple application of verifiable random function?

What is 'key agility' in relation to symmetric-key encryption?

Is this a structural weakness of Feistel networks?

Why does CBC-MAC need prefix-free inputs to be a good PRF?

Is this method of deterministically using CBC secure?

How feasible is word-level frequency analysis over English (or any language)?

Statistical tests for pseudorandom permutations

How secure is this use of Ziv-Lempel encoding?

CTR mode nonce with aggressive key rotation policy

Straightforward method for hampering frequency analysis on deterministic encryption

What aspects of information theory are used in modern cryptography? [closed]

What are the possible cryptographic implications of Zhang's proof of the Twin Prime Conjecture?

Demonstrating the insecurity of an RSA signature encoding scheme

Bridging the gap between security proofs and "real-world" security

Is this key management scheme secure?

Encrypting and MACing different data with same key

Are there any signature schemes that protect against collusion by multiple parties?

Resources for basics of lattice crypto [closed]