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Loading page content...Russian national block cipher (GOST R 34.12-2015, RFC 7801). 128-bit block, 256-bit key, 9-round SPN. Replaces the legacy 1989 GOST cipher. Uses a fixed 256-byte S-box and a linear transform built from 16 GF(2^8) feedback steps.
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A simple stream cipher performing byte-wise XOR operations between plaintext and key.
An unbreakable cipher when used with a truly random, single-use key of equal length to the plaintext.
Data Encryption Standard. A legacy 64-bit block cipher utilizing a 56-bit key size.
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