User pg1989

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732

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

public-key lattice-crypto

Aug 1 '14 at 3:23 pg1989 4,388

6

10

votes

2

answers

2k

views

Example of a PRP that is not a strong PRP

security-definition pseudo-random-permutation

Feb 21 '16 at 21:30 Community♦ 1

4

8

votes

3

answers

2k

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

protocol-design certificates pki

Sep 21 '13 at 8:58 Community♦ 1

3

8

votes

3

answers

597

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What kind of adversary is the cloud?

protocol-design

May 12 '13 at 12:20 TreeBeard 71

2

8

votes

2

answers

6k

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Why do all hash functions use big-endian data?

hash implementation

Mar 19 '12 at 13:57 poncho 116k

4

6

votes

1

answer

789

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Simple application of verifiable random function?

pseudo-random-function verifiability verifiable-random-function

Oct 26 '19 at 19:50 Squeamish Ossifrage 42.5k

6

votes

1

answer

1k

views

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

keys symmetric terminology

Oct 27 '15 at 16:10 otus 30.4k

5

votes

1

answer

657

views

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

cbc-mac

Mar 10 '19 at 3:09 Squeamish Ossifrage 42.5k

5

votes

2

answers

1k

views

Is this a structural weakness of Feistel networks?

cryptanalysis provable-security feistel-network

Sep 25 '13 at 12:56 neonsignal 106

5

votes

1

answer

702

views

Is this method of deterministically using CBC secure?

modes-of-operation cbc deterministic-encryption

Aug 9 '13 at 9:48 Ilmari Karonen 41.6k

4

votes

1

answer

314

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How secure is this use of Ziv-Lempel encoding?

compression protocol-analysis order-preserving encoding

Oct 13 '14 at 1:49 Community♦ 1

1

4

votes

1

answer

151

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Statistical tests for pseudorandom permutations

statistical-test format-preserving pseudo-random-permutation

Sep 3 '14 at 22:25 Ilmari Karonen 41.6k

4

votes

3

answers

798

views

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

cryptanalysis frequency-analysis tokenization

Aug 18 '14 at 5:39 Community♦ 1

1

4

votes

2

answers

699

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CTR mode nonce with aggressive key rotation policy

block-cipher modes-of-operation ctr nonce

Jul 31 '13 at 17:37 e-sushi 16.9k

3

votes

1

answer

152

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Bridging the gap between security proofs and “real-world” security

provable-security security-definition

Aug 6 '18 at 11:51 Alpha Bravo 91

3

votes

1

answer

3k

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Demonstrating the insecurity of an RSA signature encoding scheme

rsa signature

Mar 17 '16 at 8:55 fgrieu♦ 109k

3

votes

1

answer

228

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Straightforward method for hampering frequency analysis on deterministic encryption

cryptanalysis frequency-analysis

Sep 1 '15 at 9:30 otus 30.4k

3

votes

0

answers

567

views

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

cryptanalysis entropy information-theory

Nov 6 '13 at 23:53 pg1989 4,388

3

votes

1

answer

538

views

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

number-theory prime-numbers

Sep 27 '13 at 1:30 D.W. 34.4k

2

votes

1

answer

803

views

Is this key management scheme secure?

key-derivation pbkdf

Feb 12 '15 at 12:11 e-sushi 16.9k

1

2

votes

2

answers

1k

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Encrypting and MACing different data with same key

keys mac

Jun 14 '13 at 3:26 D.W. 34.4k

1

2

votes

1

answer

96

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

signature protocol-design

Mar 18 '12 at 9:46 Henrick Hellström 10k

1

vote

1

answer

857

views

Resources for basics of lattice crypto [closed]

lattice-crypto

Jul 2 '13 at 7:15 curious 5,502

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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?

What kind of adversary is the cloud?

Why do all hash functions use big-endian data?

Simple application of verifiable random function?

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

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

Is this a structural weakness of Feistel networks?

Is this method of deterministically using CBC secure?

How secure is this use of Ziv-Lempel encoding?

Statistical tests for pseudorandom permutations

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

CTR mode nonce with aggressive key rotation policy

Bridging the gap between security proofs and “real-world” security

Demonstrating the insecurity of an RSA signature encoding scheme

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?

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]