User Richard R. Matthews

148 votes

1 answer

244k views

What are the differences between .pem, .csr, .key, .crt and other such file extensions?

asked Feb 8, 2017 at 14:21

47 votes

1 answer

25k views

Why use argon2i or argon2d if argon2id exists?

asked Jul 7, 2017 at 16:50

39 votes

3 answers

11k views

Why was AES CBC removed in TLS 1.3?

asked Oct 26, 2017 at 15:10

24 votes

3 answers

10k views

Why is Curve25519 in the GPG “expert” options?

asked Nov 5, 2017 at 16:56

19 votes

1 answer

8k views

Could we break MD5 entirely in the future?

asked Jul 26, 2017 at 12:50

16 votes

4 answers

21k views

Looking at hash output – is Base64 encoding in any way better than HEX encoding?

asked Jul 28, 2017 at 14:58

14 votes

1 answer

8k views

argon2 vs scrypt

asked Aug 9, 2017 at 18:23

12 votes

2 answers

19k views

Why is there the option to use NIST P-256 in GPG?

asked Nov 9, 2017 at 1:57

8 votes

2 answers

5k views

What exactly does s2k do in gpg

asked Jul 6, 2017 at 18:31

8 votes

3 answers

9k views

Is it true that Serpent and twofish are much stronger than AES?

asked Dec 11, 2016 at 21:15

8 votes

2 answers

4k views

Whats the deal with argon2?

asked Mar 21, 2017 at 13:51

7 votes

1 answer

5k views

Questions about the argon2 options

asked Jul 8, 2017 at 13:57

6 votes

1 answer

22k views

Benchmark differences between SHA-512 and bcrypt

asked Apr 12, 2017 at 15:01

5 votes

2 answers

2k views

Where do key generation algorithms take the randomness from?

asked Apr 24, 2017 at 17:14

4 votes

2 answers

456 views

How would a side channel attack be carried out in a real life situation?

asked Mar 17, 2017 at 23:19

4 votes

2 answers

2k views

Is quantum cryptography unbreakable?

asked Jul 14, 2017 at 14:15

4 votes

1 answer

1k views

Some Questions about the Veracrypt hash functions

asked Jul 23, 2017 at 6:19

4 votes

1 answer

4k views

What do GnuPG sign-only keys mean?

asked Sep 25, 2017 at 23:28

4 votes

2 answers

1k views

Is whirlpool vulnerable to length extension attack?

asked Oct 2, 2017 at 1:09

4 votes

3 answers

3k views

How likely is a AES KDF bypass?

asked Aug 2, 2017 at 23:49

3 votes

4 answers

1k views

Why can't we give block ciphers larger keys?

asked Jul 30, 2017 at 21:52

3 votes

1 answer

2k views

Standard hash function of Linux

asked May 25, 2017 at 21:06

3 votes

1 answer

97 views

When a client connects to a SSL/TLS encrypted server it hashes the certificate, right?

asked Dec 23, 2016 at 17:13

3 votes

2 answers

524 views

can a weak cipher in a cascade weaken the result?

asked Mar 13, 2017 at 18:11

2 votes

2 answers

200 views

When the salt is applied before the text is salted , then what is "that"?

asked Feb 24, 2017 at 16:39

2 votes

1 answer

175 views

Strength of block ciphers under attack [by government level attackers]

asked Mar 20, 2017 at 13:36

2 votes

1 answer

9k views

how secure is Twofish really?

asked Apr 26, 2017 at 20:58

2 votes

1 answer

1k views

What is the key derivation function used in GnuPG, and how long may its input be?

asked Jul 8, 2017 at 13:07

2 votes

1 answer

567 views

Why is using an authenticated AES mode better for in-place data protection?

asked Aug 3, 2017 at 18:21

2 votes

1 answer

988 views

Is it actually possible to secure data with gpg DSA keys?

asked Nov 8, 2017 at 22:42

Stack Exchange Network

44 Questions

What are the differences between .pem, .csr, .key, .crt and other such file extensions?

Why use argon2i or argon2d if argon2id exists?

Why was AES CBC removed in TLS 1.3?

Why is Curve25519 in the GPG “expert” options?

Could we break MD5 entirely in the future?

Looking at hash output – is Base64 encoding in any way better than HEX encoding?

argon2 vs scrypt

Why is there the option to use NIST P-256 in GPG?

What exactly does s2k do in gpg

Is it true that Serpent and twofish are much stronger than AES?

Whats the deal with argon2?

Questions about the argon2 options

Benchmark differences between SHA-512 and bcrypt

Where do key generation algorithms take the randomness from?

How would a side channel attack be carried out in a real life situation?

Is quantum cryptography unbreakable?

Some Questions about the Veracrypt hash functions

What do GnuPG sign-only keys mean?

Is whirlpool vulnerable to length extension attack?

How likely is a AES KDF bypass?

Why can't we give block ciphers larger keys?

Standard hash function of Linux

When a client connects to a SSL/TLS encrypted server it hashes the certificate, right?

can a weak cipher in a cascade weaken the result?

When the salt is applied before the text is salted , then what is "that"?

Strength of block ciphers under attack [by government level attackers]

how secure is Twofish really?

What is the key derivation function used in GnuPG, and how long may its input be?

Why is using an authenticated AES mode better for in-place data protection?

Is it actually possible to secure data with gpg DSA keys?