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0 votes
1 answer
327 views

OpenSSL: how to get matching subject_hash from a CMS SignerInfo?

24 votes
5 answers
5k views

Does Rehashing a weak hash with a strong algorithm make it strong?

1 vote
1 answer
281 views

Hashing sessions and retrieving them using cookie(s) with session "id" and "token"

0 votes
1 answer
1k views

Can't solve format for Salted SHA1 hashes with Hashcat?

13 votes
4 answers
4k views

How secure is the SRP that Blizzard uses to protect passwords?

3 votes
1 answer
134 views

Fail to understand how hash length extension might work in real application

0 votes
1 answer
106 views

What advantage does HMAC provide in generating short hashes comparing to regular hash function?

14 votes
3 answers
18k views

How exactly is MD5 vulnerable to collision attacks?

2 votes
2 answers
217 views

Use delay with a fixed total time to defend against timing attacks

0 votes
1 answer
242 views

John the Ripper / Hashcat rule, reject candidate if char at position X is the same as character at position Y

19 votes
1 answer
44k views

How can I extract the hash inside an encrypted PDF file?

1 vote
2 answers
166 views

Is a very long and random password theoretically immune to password cracking?

2 votes
1 answer
124 views

Is there a well-defined algorithm to find preimages in MD5?

3 votes
1 answer
84 views

Why are key IDs typically the *last* digits of the key hash?

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