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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...
Efficient Chosen-Ciphertext Secure Identity-Based Encryption with Wildcards
Efficient Chosen-Ciphertext Secure Identity-Based Encryption Wildcards
2008/12/25
We propose new instantiations of chosen-ciphertext secure identitybased
encryption schemes with wildcards (WIBE). Our schemes outperform
all existing alternatives in terms of efficiency as well as s...
Efficient chosen ciphertext secure PKE scheme with short ciphertext
PKE DHIES tag-KEM IND-PA
2008/8/25
Kurosawa and Matsuo[1] showed that MAC can be removed from DHIES while the underlying
symmetric-key encryption(SKE) scheme is secure against adaptive chosen ciphertext attacks(INDCCA).We construct a ...