Workspace

GOST 28147-89

Compare AlgorithmsBenchmark PerformanceStart Challenge

GOST 28147-89

The Soviet/Russian government standard block cipher (declassified 1994) — 256-bit key, 32-round Feistel. Uniquely, the S-boxes are a negotiated parameter, not fixed by the standard; this demo uses a published reference set.

Securesymmetric

Workspace Presets

Save and restore visualizer settings in this browser.

Output Result
No output yetRun a computation to see the encrypted / decrypted result.

Imported traces are validated and replayed locally. They never run a cipher operation automatically.

Recommended Next Step

Continue your cryptography learning path

XOR Cipher
Deprecated

A simple stream cipher performing byte-wise XOR operations between plaintext and key.

Explore
One-Time Pad (OTP)
Secure

An unbreakable cipher when used with a truly random, single-use key of equal length to the plaintext.

Explore
DES
Broken

Data Encryption Standard. A legacy 64-bit block cipher utilizing a 56-bit key size.

Explore