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Optimal Bounded-Collusion Secure Functional Encryption
Bounded-Key Functional Encryption Correlated Garbling
2019/3/22
We construct private-key and public-key functional encryption schemes secure against adversaries that corrupt an a-priori bounded number of users and obtain their functional keys, from minimal assumpt...
Bounded-Collusion Attribute-Based Encryption from Minimal Assumptions
attribute-based encryption public-key encryption bounded collusion
2017/2/20
Attribute-based encryption (ABE) enables encryption of messages under access policies so that only users with attributes satisfying the policy can decrypt the ciphertext. In standard ABE, an arbitrary...
Bounded-Collusion Identity-Based Encryption from Semantically-Secure Public-Key Encryption: Generic Constructions with Short Ciphertexts
Identity-based encryption Bounded-CCA security
2016/1/26
Identity-based encryption (IBE) is a special case of public-key encryption where
user identities replace public keys. Every user is given a corresponding secret key for decryption,
and encryptions f...