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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
Cryptography
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