User Basj

4 votes

2 answers

255 views

Transferable ownership certificate

asked Oct 29, 2017 at 17:49

4 votes

2 answers

2k views

Proving/verifying keys for zero knowledge proof (zkSNARK) in a simple case (possession of a string whose hash is x)

asked Feb 5, 2018 at 17:06

4 votes

3 answers

1k views

What is the benefit of zero knowledge identification (Fiat Shamir) over a standard digital signature?

asked Feb 9, 2018 at 20:52

4 votes

2 answers

518 views

Are there ready-to-use software that can try many decryption techniques on a ciphertext, with no information?

asked Oct 2, 2019 at 21:51

4 votes

1 answer

3k views

Example use case of signature using RSA

asked Nov 3, 2017 at 20:09

4 votes

0 answers

122 views

Source of very large prime numbers

asked Oct 5, 2020 at 10:24

4 votes

1 answer

274 views

Is a stream cipher and a (cryptographically secure) PRNG nearly the same thing?

asked Nov 30, 2020 at 21:16

2 votes

2 answers

2k views

Encrypt a big file in blocks with AES-GCM: how many nonce do we need?

asked Nov 29, 2020 at 13:18

2 votes

1 answer

325 views

How to encrypt many files with AES-GCM, without running the key derivation function each time?

asked Nov 19, 2020 at 23:58

2 votes

1 answer

206 views

Signature using RSA (as described in Cryptography engineering)

asked Nov 3, 2017 at 11:11

1 vote

1 answer

1k views

AES-encrypted 128-bit null block: lookup table?

asked Oct 27, 2017 at 16:46

1 vote

0 answers

1k views

See the RSA's $n = p q, e \text{ and } d$ from ssh-keygen

asked Oct 31, 2017 at 7:30

1 vote

1 answer

662 views

Is RSA vulnerable to possible PRNG + Miller Rabin test weaknesses?

asked Nov 1, 2017 at 9:44

1 vote

1 answer

286 views

How is Shamir's Secret Sharing better than this simple 2-password technique?

asked Oct 24, 2019 at 20:46

1 vote

1 answer

213 views

Is RC4 cipher just xoring plaintext with a random sequence seeded by key?

asked Nov 26, 2017 at 12:12

1 vote

2 answers

91 views

Is it impossible to have a decentralized service using email addresses as login?

asked Jan 30, 2018 at 20:36

1 vote

1 answer

1k views

Is AES GCM with PBKDF2 100k iterations still ok as of 2022?

asked Apr 25, 2022 at 20:07

0 votes

2 answers

103 views

How to be able to change the password to access data encrypted with AES-GCM, without reencrypting?

asked Nov 25, 2020 at 14:22

0 votes

3 answers

737 views

AES, is this method to say "The password you entered is wrong" secure?

asked Dec 2, 2019 at 21:03

Stack Exchange Network

19 Questions

Transferable ownership certificate

Proving/verifying keys for zero knowledge proof (zkSNARK) in a simple case (possession of a string whose hash is x)

What is the benefit of zero knowledge identification (Fiat Shamir) over a standard digital signature?

Are there ready-to-use software that can try many decryption techniques on a ciphertext, with no information?

Example use case of signature using RSA

Source of very large prime numbers

Is a stream cipher and a (cryptographically secure) PRNG nearly the same thing?

Encrypt a big file in blocks with AES-GCM: how many nonce do we need?

How to encrypt many files with AES-GCM, without running the key derivation function each time?

Signature using RSA (as described in Cryptography engineering)

AES-encrypted 128-bit null block: lookup table?

See the RSA's $n = p q, e \text{ and } d$ from ssh-keygen

Is RSA vulnerable to possible PRNG + Miller Rabin test weaknesses?

How is Shamir's Secret Sharing better than this simple 2-password technique?

Is RC4 cipher just xoring plaintext with a random sequence seeded by key?

Is it impossible to have a decentralized service using email addresses as login?

Is AES GCM with PBKDF2 100k iterations still ok as of 2022?

How to be able to change the password to access data encrypted with AES-GCM, without reencrypting?

AES, is this method to say "The password you entered is wrong" secure?