The paper reports the development of a new cryptosystem with a multilevel structure for encryption and decryption. At the first level, RNS-based implementation of a public-key RSA signature converts the original plaintext into a ciphertext. Iterated ...
Encryption keys are sometimes encrypted themselves; doing that properly requires special care. Although it might look like an oversight at first, the broadly accepted formal security definitions for cryptosystems don't allow encryption of key-dependent ...
Design a secure public key encryption scheme and its security proof are one of the main interests in cryptography In 2004, Canetti, Halevi and Katz [8] constructed a public key encryption (PKE) from a selective identity-based encryption scheme with a ...
Association for Computing Machinery
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