Data access method and device based on attribute-based encryption block chain

The embodiment of the invention provides a data access method and device based on an attribute-based encryption block chain. After receiving a data access request sent by a first node, a blockchain server judges whether a first attribute base carried by the data access request meets an access constr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHAO QIMENG, JIANG JIATAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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