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7 Questions

Votes Activity Newest Views
22
36
votes
2
answers
40k
views

What's the fundamental difference between Diffie-Hellman and RSA?

encryption public-key rsa diffie-hellman
Jan 15 '19 at 18:06 user541686 1,149
1
10
votes
3
answers
4k
views

Is RSA in a ECB-like-mode safe for bulk encryption?

encryption public-key rsa key-reuse
Apr 30 '17 at 4:50 Richard Brightwell 101
1
8
votes
1
answer
1k
views

How can disk encryption systems (like Truecrypt) resist frequency analysis when they allow random access?

modes-of-operation disk-encryption
May 9 '12 at 0:15 B-Con 5,968
 
5
votes
2
answers
457
views

Why do cryptographic hashing and symmetric encryption use different functions?

encryption hash symmetric
May 7 '16 at 10:58 Community♦ 1
 
5
votes
2
answers
1k
views

How did LinkedIn “salt” all their passwords?

hash passwords authentication salt
Jul 28 '13 at 2:01 e-sushi 16.9k
 
4
votes
1
answer
269
views

Exactly how bad is using 'mod' to clamp reduce numbers to a given range?

randomness
Jan 31 '16 at 5:59 Yehuda Lindell 23.7k
 
3
votes
2
answers
179
views

Is there a perpetual 2-factor-authentication scheme that allows temporary password generation?

passwords password-hashing one-time-password two-factor-authentication
Mar 25 '17 at 15:19 Community♦ 1
Cryptography
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