User hunter

37 votes

1 answer

14k views

What is a tweakable block cipher?

asked Jan 31, 2013 at 16:35

21 votes

1 answer

16k views

Difference between Rijndael 128 / 256 blocksize implementations? (and impact of block size in general)

asked Jan 17, 2013 at 15:41

17 votes

1 answer

11k views

Is TrueCrypt's multiple/cascading encryption safe?

asked Feb 26, 2013 at 16:22

10 votes

1 answer

8k views

How to use GCM mode and associated-data properly

asked Mar 16, 2013 at 15:20

9 votes

3 answers

4k views

Reason(s) for using a KDF for encryption keys

asked Dec 20, 2012 at 16:52

8 votes

2 answers

6k views

Are there any elliptic curve asymmetric encryption algorithms?

asked Apr 14, 2014 at 20:56

8 votes

3 answers

3k views

Blake2B as a KDF

asked Jun 9, 2017 at 17:39

7 votes

2 answers

1k views

Is using EAX mode with a 64-bit block cipher a bad idea?

asked Jun 19, 2013 at 19:33

7 votes

1 answer

580 views

Can Poly1305 be used with block ciphers running in CTR mode?

asked Jun 12, 2013 at 17:44

7 votes

1 answer

3k views

What information to include is the 'info' input for HKDF?

asked Mar 2, 2013 at 16:25

6 votes

3 answers

1k views

Does ECIES imply authenticity?

asked May 27, 2014 at 13:59

4 votes

1 answer

16k views

AES vs Blowfish taking key-length into account

asked Dec 19, 2012 at 2:40

4 votes

1 answer

1k views

How is key rotation defined?

asked Jun 23, 2013 at 16:50

4 votes

1 answer

409 views

Negating the risk of a random 64-bit nonce

asked Jul 10, 2017 at 15:25

3 votes

1 answer

11k views

AES key length greater than 256 bits - is it dangerous to do an implementation outside of the standard?

asked Dec 19, 2012 at 2:33

3 votes

1 answer

553 views

How does Poly1305 in the NaCl library calculate a MAC?

asked Jun 12, 2013 at 20:39

2 votes

2 answers

630 views

OCB nonce usage

asked Jul 18, 2014 at 17:40

2 votes

2 answers

1k views

Benefit of combining classical substitution ciphers with modern cryptography

asked Dec 30, 2012 at 18:58

2 votes

1 answer

406 views

What information to include when calculating the HMAC of ciphertext

asked Feb 26, 2013 at 0:52

2 votes

2 answers

770 views

NTRU key generation

asked Jan 5, 2015 at 15:44

2 votes

1 answer

1k views

SHA3 HMAC key padding

asked Apr 23, 2017 at 16:08

1 vote

1 answer

171 views

Can a MITM attack be applied to this construction?

asked Jul 20, 2017 at 17:18

1 vote

1 answer

62 views

SIV Key wrapping with Libsodium

asked Aug 15 at 1:18

1 vote

1 answer

533 views

Scrypt as a KDF with one-time high-entropy input

asked Feb 15, 2013 at 18:41

0 votes

2 answers

259 views

Post-quantum hybrid encryption

asked Dec 21, 2014 at 11:19

Stack Exchange Network

25 Questions

What is a tweakable block cipher?

Difference between Rijndael 128 / 256 blocksize implementations? (and impact of block size in general)

Is TrueCrypt's multiple/cascading encryption safe?

How to use GCM mode and associated-data properly

Reason(s) for using a KDF for encryption keys

Are there any elliptic curve asymmetric encryption algorithms?

Blake2B as a KDF

Is using EAX mode with a 64-bit block cipher a bad idea?

Can Poly1305 be used with block ciphers running in CTR mode?

What information to include is the 'info' input for HKDF?

Does ECIES imply authenticity?

AES vs Blowfish taking key-length into account

How is key rotation defined?

Negating the risk of a random 64-bit nonce

AES key length greater than 256 bits - is it dangerous to do an implementation outside of the standard?

How does Poly1305 in the NaCl library calculate a MAC?

OCB nonce usage

Benefit of combining classical substitution ciphers with modern cryptography

What information to include when calculating the HMAC of ciphertext

NTRU key generation

SHA3 HMAC key padding

Can a MITM attack be applied to this construction?

SIV Key wrapping with Libsodium

Scrypt as a KDF with one-time high-entropy input

Post-quantum hybrid encryption