User Manish Adhikari

6 votes

Cons for stream ciphers that are based on hash functions

answered Jul 6, 2021 at 8:36

3 votes

Recognize whether two random values are raised to the same power

answered Aug 5, 2021 at 10:19

3 votes

Accepted

Can Fixed–Diffie–Hellman be attacked?

answered Jan 25, 2022 at 10:03

3 votes

What does existential unforgeability mean in a digital signature scheme?

answered Jun 10, 2021 at 10:15

2 votes

How insecure would a cipher based on iterative hashing be?

answered Dec 13, 2021 at 6:19

2 votes

Is collision resistant hash enough for one-block counter mode?

answered Mar 30, 2021 at 12:12

2 votes

Accepted

Is it safe to use signed messages from a private key to send to clients as tokens?

answered Apr 10, 2021 at 15:46

2 votes

I don't understand Digital Signature

answered Dec 29, 2020 at 9:44

1 vote

Accepted

Decrypting the same message with the same IV using aes-256-cbc

answered May 17, 2021 at 12:36

1 vote

Finding a winner in mental poker game

answered Jan 6, 2021 at 17:01

1 vote

Finding MSB in RSA

answered Jan 7, 2021 at 10:15

1 vote

Accepted

Diffie-Hellman key generation

answered Feb 10, 2021 at 4:15

1 vote

A question regarding next-bit predictors

answered Feb 24, 2021 at 10:04

1 vote

Stretching definition of pseudo random number generator

answered Mar 4, 2021 at 15:57

1 vote

How can I prove that a function F isn't a pseudo random function?

answered Mar 23, 2021 at 7:32

1 vote

Decryption considering AES OFB and ECB

answered Apr 22, 2022 at 4:27

1 vote

Accepted

Proof of computationally binding correct?

answered Jun 12, 2022 at 7:46

0 votes

Can I use half of 256 bit key as AES 256 IV?

answered Apr 11, 2022 at 12:02

0 votes

Length of a Challenge in Challenge and Response Protocol

answered Mar 25, 2021 at 12:49

0 votes

What is "blinding" with cryptographic hash functions?

answered Mar 30, 2021 at 3:39

0 votes

Clarification on the TLS verification process

answered Dec 30, 2020 at 6:13

0 votes

What's the preferable encryption for large data and files in terms of speed and security other than AES?

answered Jan 4, 2021 at 5:08

0 votes

Why does RSA 1024 provide lower security level than EC256?

answered Jan 5, 2021 at 4:49

0 votes

Accepted

The challenge c in Sigma protocol (using Fiat Shamir)

answered Jan 6, 2021 at 4:23

0 votes

How to devise cryptographic system with data-sharing ability and password reset

answered Jan 6, 2021 at 4:34

0 votes

Known Plaintext attacks using standard greetings etc

answered Jan 6, 2021 at 8:29

Stack Exchange Network

26 Answers

Cons for stream ciphers that are based on hash functions

Recognize whether two random values are raised to the same power

Can Fixed–Diffie–Hellman be attacked?

What does existential unforgeability mean in a digital signature scheme?

How insecure would a cipher based on iterative hashing be?

Is collision resistant hash enough for one-block counter mode?

Is it safe to use signed messages from a private key to send to clients as tokens?

I don't understand Digital Signature

Decrypting the same message with the same IV using aes-256-cbc

Finding a winner in mental poker game

Finding MSB in RSA

Diffie-Hellman key generation

A question regarding next-bit predictors

Stretching definition of pseudo random number generator

How can I prove that a function F isn't a pseudo random function?

Decryption considering AES OFB and ECB

Proof of computationally binding correct?

Can I use half of 256 bit key as AES 256 IV?

Length of a Challenge in Challenge and Response Protocol

What is "blinding" with cryptographic hash functions?

Clarification on the TLS verification process

What's the preferable encryption for large data and files in terms of speed and security other than AES?

Why does RSA 1024 provide lower security level than EC256?

The challenge c in Sigma protocol (using Fiat Shamir)

How to devise cryptographic system with data-sharing ability and password reset

Known Plaintext attacks using standard greetings etc