Research Article
An Efficient Scheme for Industrial Internet of Things Using Certificateless Signature
Table 2
Comparison in terms of costly operations.
| Reference no. | Signing phase | Verification phase | Total computation cost | Ciphertext size in bits |
| [32] | | | | | [34] | | | | | [36] | | 6 | | | [37] | | | | | Proposed scheme | | | | |
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