abenc_tbpre_lww14¶
Qin Liu, Guojun Wang, Jie Wu
From: Time-based proxy re-encryption scheme for secure data sharing in a cloud environment
Published in: Information Sciences (Volume: 258, year: 2014)
Notes:
- type: ciphertext-policy attribute-based encryption (public key)
- setting: Pairing
Author: | artjomb |
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Date: | 07/2014 |
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class
abenc_tbpre_lww14.
TBPRE
(groupObj)[source]¶ Bases:
object
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decrypt
(CT, user, term=None)[source]¶ Decrypts the content(-key) from the cipher-text (executed by user/content consumer)
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encrypt
(PK, policy, F)[source]¶ Generate the cipher-text from the content(-key) and a policy (executed by the content owner)
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group
= None¶ Prime order group
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keygen
(MK, PK, H, s, user, pubuser, attribute, time)[source]¶ Generate user keys for a specific attribute (executed by CA)
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