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3 votes
2 answers
614 views

How much entropy is lost due to collision?

25 votes
1 answer
19k views

What are the odds of collisions for a hash function with 256-bit output?

15 votes
2 answers
2k views

The effect of truncated hash on entropy

1 vote
1 answer
96 views

Construction of Blake2 and Cha Cha

1 vote
6 answers
1k views

Is it theoretically possible to create an unbreakable cipher?

1 vote
0 answers
29 views

Privacy-Preserving User Tracking Across Systems with Homomorphic Encryption or hashing

9 votes
4 answers
2k views
+500

Fast cryptographic hash function for short inputs

25 votes
1 answer
14k views

When to use Argon2i vs Argon2d vs Argon2id?

0 votes
0 answers
50 views

How to prove that signature hash is wrong without reveal message

0 votes
0 answers
27 views

How to anonymously poll for information in a small group of people?

2 votes
1 answer
563 views

Is there a simple formula to calculate how many inputs generate same outputs in cryptographic hash functions, being the input larger than the input?

1 vote
1 answer
84 views

Proof of non membership in a Verkle Tree?

1 vote
1 answer
50 views

Is KangarooTwelve hash function suitable for generating very large key material as Shake-256 is?

3 votes
4 answers
166 views

What's the name of the property of ideal cryptographic hash functions that effectively make it a random number generator?

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