user40602
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2 answers
12 votes
2k views
4 bookmarks
The effect of truncated hash on entropy
1 answers
3 votes
944 views
2 bookmarks
Choosing between simple Hash and HKDF to derive the second key used for MAC
1 answers
3 votes
2k views
Practical brute-force attack on 128 bit encryption
1 answers
2 votes
535 views
Very simple and minimal replay prevention scheme
1 answers
1 votes
799 views
AES-128 + HMAC-SHA-256 but HMAC truncated
3 answers
1 votes
315 views
How to combine pepper in random string generation
2 answers
1 votes
171 views
Should I use independent symmetric keys for each client should I use keys derived from a master key?
2 answers
1 votes
290 views
2 bookmarks
Are this recommendations from Colin Percival correct?
2 answers
1 votes
247 views
P2P encryption - Do I need a different session key each time?
1 answers
1 votes
554 views
Problem with testing MD5 collisions
1 answers
1 votes
582 views
Should I remove these use cases of MD5/SHA1 from my program?
0 answers
1 votes
99 views
AES-128/192 safer than AES-256 in practice?
0 answers
1 votes
122 views
Separate keys for encryption and MAC?
1 answers
0 votes
79 views
Restricting symmetric key usage