| 摘要 |
A method, system and program for automatic administration and management of a plurality of certificates and/or cryptographic keys, authentication of certificates, and authorization to access certificates or associated data is disclosed. Each key is associated with a set of attributes so that the set of attributes is specific both to a user or a group of users and to a particular use to which the key is intended to be put. Each user can automatically conduct any legitimate operation or process related to any certificate/key and/or group of certificates/keys by virtue of the associated set of attributes. <IMAGE>
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