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pg1989

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16 posts edited

25 helpful flags

167 votes cast

23 Questions

Votes Activity Newest Views

votes

answers

705

views

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

public-key lattice-crypto

Aug 1 '14 at 3:23 pg1989 4,338

votes

answers

views

Example of a PRP that is not a strong PRP

security-definition pseudo-random-permutation

Feb 21 '16 at 21:30 Community♦ 1

votes

answers

views

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

protocol-design certificates pki

Sep 21 '13 at 8:58 Community♦ 1

votes

answers

590

views

What kind of adversary is the cloud?

protocol-design

May 12 '13 at 12:20 TreeBeard 71

votes

answers

views

Why do all hash functions use big-endian data?

hash implementation

Mar 19 '12 at 13:57 poncho 113k

votes

answer

views

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

keys symmetric terminology

Oct 27 '15 at 16:10 otus 30.2k

votes

answer

765

views

Simple application of verifiable random function?

pseudo-random-function verifiability verifiable-random-function

Oct 26 '19 at 19:50 Squeamish Ossifrage 41.7k

votes

answer

620

views

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

cbc-mac

Mar 10 '19 at 3:09 Squeamish Ossifrage 41.7k

votes

answers

views

Is this a structural weakness of Feistel networks?

cryptanalysis provable-security feistel-network

Sep 25 '13 at 12:56 neonsignal 106

votes

answer

694

views

Is this method of deterministically using CBC secure?

modes-of-operation cbc deterministic-encryption

Aug 9 '13 at 9:48 Ilmari Karonen 41.3k

votes

answer

314

views

How secure is this use of Ziv-Lempel encoding?

compression protocol-analysis order-preserving encoding

Oct 13 '14 at 1:49 Community♦ 1

votes

answer

145

views

Statistical tests for pseudorandom permutations

statistical-test format-preserving pseudo-random-permutation

Sep 3 '14 at 22:25 Ilmari Karonen 41.3k

votes

answers

790

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

votes

answers

686

views

CTR mode nonce with aggressive key rotation policy

block-cipher modes-of-operation ctr nonce

Jul 31 '13 at 17:37 e-sushi 16.8k

votes

answer

152

views

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

provable-security security-definition

Aug 6 '18 at 11:51 Alpha Bravo 91

votes

answer

views

Demonstrating the insecurity of an RSA signature encoding scheme

rsa signature

Mar 17 '16 at 8:55 fgrieu♦ 106k

votes

answer

224

views

Straightforward method for hampering frequency analysis on deterministic encryption

cryptanalysis frequency-analysis

Sep 1 '15 at 9:30 otus 30.2k

votes

answers

566

views

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

cryptanalysis entropy information-theory

Nov 6 '13 at 23:53 pg1989 4,338

votes

answer

532

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. 34.2k

votes

answer

789

views

Is this key management scheme secure?

key-derivation pbkdf

Feb 12 '15 at 12:11 e-sushi 16.8k

votes

answers

views

Encrypting and MACing different data with same key

keys mac

Jun 14 '13 at 3:26 D.W. 34.2k

votes

answer

views

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

signature protocol-design

Mar 18 '12 at 9:46 Henrick Hellström 9,981

vote

answer

852

views

Resources for basics of lattice crypto [closed]

lattice-crypto

Jul 2 '13 at 7:15 curious 5,402

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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?

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

Simple application of verifiable random function?

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]