Research Article
Secure Information Sharing System for Online Patient Networks
| | Security Manager |
| | the group keys set of group G |
| | the t-th group |
| | the total number of groups in a SISS server |
| | the master group key of group G |
| | the j-th ciphertext-page of a member i in a group t |
| | the total number of group G’s members |
| | session number |
| | the total number of ciphertext-page CP |
| | a member i of the t-th group in the j-th session |
| | a group session key for each member i of t-th group in the j-th session | : five subkeys for a group session key of a member i in group G |
| | random number of member i in the j-th session |
| | pseudonym of member i in the j-th session |
| | hash function |
| | the value hashed t-times for x |
| | pseudorandom function |
| | stereoscopic image information for 3D real model of member i in the j-th session |
| | a rendered image of |
| | Encryption function |
| | Decryption function |
| | a message |
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