Description: S-encryption algorithm for the importation of an eight expressly group and a 10 Key, Output for the eight-man group of close, decryption algorithm input is a secret eight-man group and one of the ten key, Output-8 group of expressly. Encryption Algorithm including five functions : initial exchange (IP); Fk complex functions, which include replacement and substitution operations and reliance on imported key; Data conversion for the simple two-part replacement function (SW); again use function FKP; Finally a replacement IP function is the inverse. Encryption and decryption is the inverse process.
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