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| έλεγχος ταυτότητας προγράμματος-πελάτη (A method of authentication by which the client in a client-server communication proves its identity to the server) | |||
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| έλεγχος ταυτότητας προγράμματος-πελάτη (A method of authentication by which the client in a client-server communication proves its identity to the server) | |||
