Skip to main content
Maarten Bodewes's user avatar
Maarten Bodewes's user avatar
Maarten Bodewes's user avatar
Maarten Bodewes
Moderator
  • Member for 12 years, 7 months
  • Last seen this week
  • Doggerland II
14 votes
Accepted

Does perfect forward secrecy (using DH or ECDH) imply quantum resistance?

14 votes

Is there any benefit from using SHA-512 over SHA-256 when AES just truncates it anyway?

14 votes
Accepted

Post Quantum Symmetric Cryptography

14 votes
Accepted

What are the differences between ephemeral-static ECDH and static-static ECDH?

14 votes

Is there a situation where RSA cannot be replaced with ECC + symmetric algorithms? If no, why do we still use it?

14 votes
Accepted

Is it safe to use PBEWithMD5AndDES?

14 votes
Accepted

ECDH or RSA more secure for symmetric key wrapping?

14 votes

Is the Euler totient shared in the RSA algorithm?

13 votes
Accepted

Why is Threefish not widely used?

13 votes

One Time Pads and "Bit Flip" Attacks

13 votes
Accepted

Why MACs are so important despite digital signatures doing everything a MAC can do and more?

13 votes

Are there attacks on AES with 16-bit keys?

13 votes
Accepted

Does the size of a ECDSA key determine the hash algorithm?

13 votes

Key exchange using ECDH vs ECIES?

13 votes
Accepted

Why does AES-GCM need a hash/MAC in TLS?

13 votes

Where can I find test vectors for ciphers?

13 votes
Accepted

Reusing keys with AES-CBC

13 votes

How big an RSA key is considered secure today?

13 votes

Is there a downside to encrypting too much data with the same key?

13 votes

Can elliptic curve cryptography encrypt with public key and decrypt with private key like RSA?

12 votes
Accepted

Benchmark differences between SHA-512 and bcrypt

12 votes
Accepted

CBC-Mode Infinite Garble Extension

12 votes
Accepted

How can I securely encrypt the same message multiple times?

12 votes

Why is SSL on top of TCP?

12 votes

Does AES specify error messages when using the wrong password to decrypt?

12 votes
Accepted

PBKDF2 for key diversification

12 votes
Accepted

CKM_RSA_PKCS vs CKM_RSA_X_509 mechanisms in PKCS#11

12 votes

What's the GCM-SHA 256 of a TLS protocol?

12 votes
Accepted

Encryption of big files in Java with AES/GCM

12 votes
Accepted

Why can't we use the first block of AES-CBC as MAC

1 2
3
4 5
67