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Simulation-Sound Proofs for LWE and Applications to KDM-CCA2 Security
LWE standard model Naor-Yung
2019/8/8
The Naor-Yung paradigm is a well-known technique that constructs IND-CCA2-secure encryption schemes by means of non-interactive zero-knowledge proofs satisfying a notion of simulation-soundness. Until...
Revised Quantum Resistant Public Key Encryption Scheme RLCE and IND-CCA2 Security for McEliece Schemes
public-key cryptography code based public key encryption
2017/3/2
Recently, Wang (2016) introduced a random linear code based quantum resistant public encryption scheme RLCE which is a variant of McEliece encryption scheme. In this paper, we introduce a revised vers...
Attribute-Based Signcryption : Signer Privacy, Strong Unforgeability and IND-CCA2 Security in Adaptive-Predicates Attack
Attribute-based encryption Attribute-based signature Attribute-based signcryption
2015/12/29
An Attribute-Based Signcryption (ABSC) is a natural extension of Attribute-Based Encryption
(ABE) and Attribute-Based Signature (ABS), where we have the message confidentiality and authenticity
toge...
URDP: General Framework for Direct CCA2 Security from any Lattice-Based PKE Scheme
Post-quantum cryptography Lattice-based PKE scheme Universal random data padding CCA2-security
2013/4/18
Design efficient Lattice-based cryptosystem secure against adaptive chosen ciphertext attack (IND-CCA2) is a challenge problem. To the date, full CCA2-security of all proposed Lattice-based PKE scheme...