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David 天宇 Wong

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Votes Activity Newest Views Added

192

votes

2

answers

98k

views

What are the differences between a digital signature, a MAC and a hash?

hash signature authentication mac non-repudiation

Jun 28 at 17:15 Catalin 1

45

votes

3

answers

16k

views

What are the benefits of the two permutation tables in DES?

block-cipher des permutation

Mar 23 '17 at 0:58 user1430 349

35

votes

4

answers

7k

views

Why is plain-hash-then-encrypt not a secure MAC?

hash protocol-design mac

Dec 11 '19 at 17:32 fgrieu♦ 110k

35

votes

3

answers

4k

views

Purpose of outer key in HMAC

mac hmac length-extension

Jun 15 '15 at 9:34 Community♦ 1

27

votes

3

answers

5k

views

Random oracle model proofs and programmability

provable-security random-oracle-model

Jun 17 '19 at 14:04 Community♦ 1

23

votes

2

answers

3k

views

What does “birational equivalence” mean in a cryptographic context?

elliptic-curves terminology

Jan 17 '17 at 1:38 111 734

20

votes

2

answers

10k

views

RSA least significant bit oracle attack

rsa side-channel-attack decryption-oracle

Aug 5 at 21:41 jo. 3

14

votes

2

answers

2k

views

How were shift amount constants in MD5 found?

hash md5

Jul 8 '16 at 15:22 Community♦ 1

11

votes

2

answers

2k

views

in Bilinear pairings, what is the difference between Type 2 and Type 3?

pairings group-theory

May 3 '14 at 4:47 DrLecter 11.6k

10

votes

1

answer

1k

views

Why does KangarooTwelve only use 12 rounds?

hash keccak

Apr 20 '17 at 19:18 Indolering 277

7

votes

1

answer

2k

views

Keccak padding implementation, and bit ordering

reference-request sha-3 keccak

May 12 '15 at 16:16 Jack 21

6

votes

2

answers

5k

views

Are there any elliptic curve asymmetric encryption algorithms?

public-key elliptic-curves

Apr 15 '14 at 16:52 DrLecter 11.6k

4

votes

1

answer

2k

views

Elliptic curve and embedding degree

elliptic-curves finite-field group-theory

May 23 '18 at 2:19 Community♦ 1

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