Research Article
A Lightweight Fine-Grained Search Scheme over Encrypted Data in Cloud-Assisted Wireless Body Area Networks
Figure 3
Storage and computation overhead comparison.
(a) Secret key size comparison |
(b) Ciphertext size comparison |
(c) Trapdoor size comparison |
(d) The encryption time comparison |
(e) The search time comparison |
(f) The decryption time comparison |