Description: S-DES 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 and decryption is the inverse. Procedure : Reading into a document file, its content encryption, and the importation of selected key storage generating ciphertext directory, point encryption; Encryption and decryption operations similar.
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