| 摘要 |
A system for reliable transfer of the center's keys to users, comprising: (A) a system for secure transfer of the encryption keys between parties (2, 4, 4, 4) located at separate locations; (B) means in the center for protecting the transactions using a public key method (21); (C) means for reliable key dissemination, comprising one or more additional key pairs at the center (23, 25); (D) means for generating or receiving a new key pair (291); (E) means for preparing announcements of a new public key for one of the key pairs (292). A method for reliable transfer of the center's key to users, comprising the steps of: (A) The center creates a new key pair (291); (B) a message is prepared at the center (292); (C) a plurality of secure messages are prepared from the message prepared in step (B); (D) the secure messages are collected into an announcement, which is sent to users. |
