METHOD AND SYSTEM FOR CHANGING SECURITY INFORMATION IN A COMPUTER NETWORK

摘要

A method of, and system for, changing encryption information (4/7) in a computer network is provided. The method includes providing at least first cryptographic information (#1) and second cryptographic information (#2). A first validity period (Date #1) is provided for the first cryptographic information and a second validity period is (Date #2) provided for the second cryptographic information wherein the first and second validity period overlap.