Public-key cryptosystems provably secure against chosen ciphertext attacks
STOC '90 Proceedings of the twenty-second annual ACM symposium on Theory of computing
STOC '91 Proceedings of the twenty-third annual ACM symposium on Theory of computing
Another method for attaining security against adaptively chosen ciphertext attacks
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
The random oracle methodology, revisited (preliminary version)
STOC '98 Proceedings of the thirtieth annual ACM symposium on Theory of computing
A method for obtaining digital signatures and public-key cryptosystems
Communications of the ACM
Non-Interactive Zero-Knowledge Proof of Knowledge and Chosen Ciphertext Attack
CRYPTO '91 Proceedings of the 11th Annual International Cryptology Conference on Advances in Cryptology
CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
Cryptoanalysis of the Immunized LL Public Key Systems
CRYPTO '95 Proceedings of the 15th Annual International Cryptology Conference on Advances in Cryptology
Chosen Ciphertext Attacks Against Protocols Based on the RSA Encryption Standard PKCS #1
CRYPTO '98 Proceedings of the 18th Annual International Cryptology Conference on Advances in Cryptology
A Practical Public Key Cryptosystem Provably Secure Against Adaptive Chosen Ciphertext Attack
CRYPTO '98 Proceedings of the 18th Annual International Cryptology Conference on Advances in Cryptology
On the Security of ElGamal Based Encryption
PKC '98 Proceedings of the First International Workshop on Practice and Theory in Public Key Cryptography: Public Key Cryptography
Towards Practical Public Key Systems Secure Against Chosen Ciphertext Attacks
CRYPTO '91 Proceedings of the 11th Annual International Cryptology Conference on Advances in Cryptology
Index Calculation Attacks on RSA Signature and Encryption
Designs, Codes and Cryptography
New public key cryptosystems based on the dependent-RSA problems
EUROCRYPT'99 Proceedings of the 17th international conference on Theory and application of cryptographic techniques
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Devising public key cryptosystems that are secure against chosen ciphertext attacks has been the subject of investigation by many researchers. However, there are actually very few secure and efficient systems in the literature. In this paper, we introduce a secure and efficient public key cryptosystem. The main advantage of our schemes is that we employ a problem equivalent to the well-studied RSA problem, and thus our schemes do not rely on conjectures or unproven claims. Therefore, the resulting schemes are as secure as the RSA system.