| 摘要 |
There is provided a method of one member of a first entity generating an intra-entity public key. The first entity has a plurality of members and the one member has a long-term private key and a corresponding long-term public key. The method includes generating a short-term private key and a corresponding short-term public key, computing an intra-entity shared key by mathematically combining the short-term public key of the one member and respective short-term public keys of each other member of the first entity and computing the intra-entity public key by mathematically combining the short-term private key, the long-term private key and the intra-entity shared key.
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