Sun chang xia ping wang (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2022-09-01 Pages: 103 Language: Chinese Publisher: The attribute-based digital signature system of China Agricultural Publishing House can fine-grainedly divide identity characteristics. and its identity is regarded as a collection of a series of attribute characteristics. only Valid signatures can only be signed by signers who satisfy specific attributes or a specific access control structure. The attribute-based digital signature system has attracted extensive attention.…