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Loading page content...Chinese national stream cipher (GB/T 33133). Used in 4G LTE (128-EEA3). Uniquely uses a 16-stage LFSR over GF(2^31-1) with modular arithmetic, NOT simple XOR feedback. Completes the SM2/SM3/SM4/ZUC national suite.
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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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