User hunter

34 votes

1 answer

12k 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

19 votes

2 answers

10k views

Is TrueCrypt's multiple/cascading encryption safe?

asked Feb 26, 2013 at 16:22

8 votes

1 answer

6k views

How to use GCM mode and associated-data properly

asked Mar 16, 2013 at 15:20

8 votes

2 answers

5k views

Are there any elliptic curve asymmetric encryption algorithms?

asked Apr 14, 2014 at 20:56

8 votes

3 answers

2k views

Blake2B as a KDF

asked Jun 9, 2017 at 17:39

7 votes

2 answers

958 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

566 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

7 votes

3 answers

3k views

Reason(s) for using a KDF for encryption keys

asked Dec 20, 2012 at 16:52

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

383 views

Negating the risk of a random 64-bit nonce

asked Jul 10, 2017 at 15:25

3 votes

1 answer

10k 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

532 views

How does Poly1305 in the NaCl library calculate a MAC?

asked Jun 12, 2013 at 20:39

2 votes

2 answers

542 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

389 views

What information to include when calculating the HMAC of ciphertext

asked Feb 26, 2013 at 0:52

2 votes

2 answers

651 views

NTRU key generation

asked Jan 5, 2015 at 15:44

2 votes

1 answer

913 views

SHA3 HMAC key padding

asked Apr 23, 2017 at 16:08

1 vote

1 answer

159 views

Can a MITM attack be applied to this construction?

asked Jul 20, 2017 at 17:18

1 vote

1 answer

477 views

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

asked Feb 15, 2013 at 18:41

0 votes

1 answer

220 views

Post-quantum hybrid encryption

asked Dec 21, 2014 at 11:19

Stack Exchange Network

24 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

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?

Reason(s) for using a KDF for encryption keys

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?

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

Post-quantum hybrid encryption