Research Article
A Blockchain-Based Hierarchical Authentication Scheme for Multiserver Architecture
Table 5
Granting access permission phase.
| | | Permission server | | Blockchain network |
|
Verifies , if holds, outputs
| | | | | | | | | | | | | | Verifies if holds:
| | | | | | | | | | | | | | Verifies if holds: stores: | | | | | | | | | | Stores: | | | | | | | | | | Stores: in the smart card | | | | |
|
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