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, 6 months
  • Last seen this week
  • Doggerland II
21 votes
Accepted

Is it possible that a SHA256 hash has the same hex character over and over again?

21 votes
Accepted

Purpose of DES parity bits

21 votes
Accepted

Where is the authentication tag stored in file encrypted using AES-GCM?

21 votes
Accepted

Is there any area where AES-CBC cannot be used ? If so, why?

20 votes
Accepted

Do key collisions for symmetric ciphers exist?

20 votes
Accepted

Encryption algorithm used in WPA/WPA2

20 votes
Accepted

Is openssl rand command cryptographically secure?

19 votes

What's the appeal of using ChaCha20 instead of AES?

19 votes

How do RSA and ECDSA differ in signing performance?

19 votes
Accepted

Is a password cyphered by itself as secure as hash?

19 votes
Accepted

Why do key fobs/garage doors openers use rolling codes instead of PGP or SSL encryption?

18 votes
Accepted

Benefits of functional programming languages

17 votes
Accepted

Does the order of validations and MAC with clear text matter?

17 votes

Key derivation functions (KDF): What are they, what are their main purposes and how they can be used?

17 votes

Why was AES CBC removed in TLS 1.3?

16 votes
Accepted

HMAC-SHA256 vs HMAC-SHA512 for JWT API authentication

16 votes
Accepted

AES - What is the advantage of a 256-bit key with a 128-bit block cipher?

16 votes
Accepted

On AES, is a true random string enough for a key?

16 votes

Is there a contingency plan in the event of a catastrophic attack on AES?

16 votes
Accepted

Hash to prime numbers?

15 votes
Accepted

What is different below two Ciphersuites?

15 votes

How do hashes really ensure uniqueness?

15 votes

Using Tweets as a Random seed

15 votes

If I can crack the AES, how do I crack the wifi

15 votes
Accepted

Practical brute-force attack on 128 bit encryption

15 votes
Accepted

Is python a secure programming language for cryptography?

15 votes
Accepted

Is deriving the IV from the password secure?

15 votes

Asymmetry between public key and private key: digital signatures use the private key for “encryption”?

14 votes
Accepted

How much safer is RSA-OAEP compared to RSA with PKCS#1 v1.5 padding?

14 votes
Accepted

Should I be using PKCS1 v1.5 or PSS for RSA signatures?

1
2
3 4 5
67