George Ledin

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SMS4 is a Chinese block cipher standard, mandated for use in protecting wireless networks , and issued in January 2006. The input, output, and key of SMS4 are each 128 bits. The algorithm has 32 rounds, each of which modifies one of the four 32-bit words that make up the block by xoring it with a keyed function of the other three words. Encryption and(More)
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