Research Article
MHCOOS: An Offline-Online Certificateless Signature Scheme for M-Health Devices
Table 1
Key symbols used in the paper.
| Symbols | Meaning |
| | Additive notation in group 1 | | Multiplication notation in group 2 | | Three one-way hash functions | | Secret value selected by KGC | | Master secret keys and master public keys | | Identity of the user | | Secret value of the user in the MHCOOS scheme | | Private key | | Secret value of the OOCS scheme | | Public key | | Prime order | | Partial private key | | System public parameter list published by the KGC | | Offline signature value | | Online signature value | MS | Medical server unit | MD | User’s mobile device | HTP | Healthcare Terminal Point |
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