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Trapdoor Functions from the Computational Diffie-Hellman Assumption
Trapdoor Functions Computational Diffie-Hellman Assumption
2018/6/5
Trapdoor functions (TDFs) are a fundamental primitive in cryptography. Yet, the current set of assumptions known to imply TDFs is surprisingly limited, when compared to public-key encryption. We prese...
Efficient Chosen Ciphertext Secure Public Key Encryption under the Computational Diffie-Hellman Assumption
public key encryption CCA security the CDH assumption
2009/6/4
Recently Cash, Kiltz, and Shoup [20] showed a variant of the Cramer-Shoup (CS) public
key encryption (PKE) scheme [21] whose chosen-ciphertext (CCA) security relies on the computational
Diffie-Hellm...