🔐 Crypto & Hash Challenge

Test your knowledge of SHA hashing, encryption, and cryptographic concepts

Score

Streak

Level

1/12

CRYPTOGRAPHY

SHA-256 — 256-bit hash, used in Bitcoin & SSL certificates

AES — Symmetric encryption standard (128/192/256-bit keys)

RSA — Asymmetric encryption using prime factorization

Diffie-Hellman — Key exchange protocol over insecure channels

bcrypt — Password hashing with built-in salt and work factor

HMAC — Keyed hash for message authentication

Challenge Complete!