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How much entropy is lost due to collision?

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fgrieu♦
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25 votes
1 answer
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What are the odds of collisions for a hash function with 256-bit output?

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fgrieu♦
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15 votes
2 answers
2k views

The effect of truncated hash on entropy

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fgrieu♦
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1 vote
1 answer
96 views

Construction of Blake2 and Cha Cha

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1 vote
6 answers
1k views

Is it theoretically possible to create an unbreakable cipher?

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Harry Russell
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1 vote
0 answers
29 views

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

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Mr Alihoseiny
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9 votes
4 answers
2k views
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Fast cryptographic hash function for short inputs

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Frank Denis
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25 votes
1 answer
14k views

When to use Argon2i vs Argon2d vs Argon2id?

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Deez nuts
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0 votes
0 answers
50 views

How to prove that signature hash is wrong without reveal message

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byXrom
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0 votes
0 answers
27 views

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

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user1145880
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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?

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kodlu
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1 vote
1 answer
84 views

Proof of non membership in a Verkle Tree?

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atomictag
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1 vote
1 answer
50 views

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

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Maarten Bodewes♦
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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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Marc Ilunga
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