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2 votes

4 answers

1k views

Cons for stream ciphers that are based on hash functions

Erik Aronesty

406

answered 20 hours ago

1 vote

1 answer

21 views

Privacy preserving transformation between hashes

poncho

138k

answered Feb 3 at 18:14

3 votes

1 answer

225 views

Is SAT the mathematical problem behind SHA-2 and SHA-3?

forest♦

14.7k

modified Feb 3 at 11:39

1 vote

1 answer

87 views

is SHA512 with 256 bit set is similar or same as SHA256?

Amit

383

answered Feb 2 at 9:16

1 vote

1 answer

167 views

Why modn and modular exponent g^x mod n are not cryptographic hash functions?

Ernest Halili

11

modified Feb 1 at 21:48

2 votes

0 answers

26 views

Why use different hash personalization for each level of Merkle tree?

Dulem

21

asked Feb 1 at 0:29

1 vote

2 answers

320 views

PAN authenticatable irreversible tokenization algorithm

CommunityBot

1

modified Jan 27 at 15:01

1 vote

1 answer

70 views

Will a bloom filter produce false negatives if it becomes full?

poncho

138k

answered Jan 27 at 14:30

4 votes

2 answers

528 views

How can a collision be generated in this hash function by inverting the encryption?

Elias

4,853

modified Jan 23 at 22:22

2 votes

1 answer

40 views

How to prove that a line belongs to a final hash without knowing/re-hashing all other lines?

Alin Tomescu

946

answered Jan 23 at 6:08

2 votes

1 answer

50 views

How do the c-bits (capacity bits) make the sponge construction better?

poncho

138k

answered Jan 23 at 3:09

10 votes

3 answers

15k views

What is RSA-PSS and how is it different from a hash?

yanofearth

123

modified Jan 20 at 6:56

2 votes

0 answers

89 views

How to implement hash functions $H1 \colon \{0,1\}^* \to \mathbb{Z}_p^$ and $H2 \colon \mathbb{Z}_p^ \to \{0,1\}^k$?

shxxlas

21

modified Jan 19 at 15:08

4 votes

1 answer

1k views

How secure is SHA-1 against preimage attacks currently?

forest♦

14.7k

modified Jan 18 at 22:48

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Cons for stream ciphers that are based on hash functions

Privacy preserving transformation between hashes

Is SAT the mathematical problem behind SHA-2 and SHA-3?

is SHA512 with 256 bit set is similar or same as SHA256?

Why modn and modular exponent g^x mod n are not cryptographic hash functions?

Why use different hash personalization for each level of Merkle tree?

PAN authenticatable irreversible tokenization algorithm

Will a bloom filter produce false negatives if it becomes full?

How can a collision be generated in this hash function by inverting the encryption?

How to prove that a line belongs to a final hash without knowing/re-hashing all other lines?

How do the c-bits (capacity bits) make the sponge construction better?

What is RSA-PSS and how is it different from a hash?

How to implement hash functions $H1 \colon \{0,1\}^* \to \mathbb{Z}_p^$ and $H2 \colon \mathbb{Z}_p^ \to \{0,1\}^k$?

How secure is SHA-1 against preimage attacks currently?

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