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Security and Communication Networks
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Security and Communication Networks
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2017
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Article
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Tab 1
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Research Article
Revocable Key-Aggregate Cryptosystem for Data Sharing in Cloud
Table 1
Comparison with related schemes.
Scheme
System parameter
Private key
Ciphertext
Direct revocation
Revocation cost
Verifiability
[
3
]
[
4
]
[
5
]
[
6
]
Our scheme