Identity Based Cryptosystems

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ID-based cryptography. The first implementation of iden.y-based signatures and an email-address based public-key infrastructure PKI was developed by Adi Shamir in 1984, which allowed users to verify digital signatures using only public information such as the user 's identifier..Definition. Iden.y-based cryptography refers to a set of public key cryptographic primitives where public keys consist of users ' iden.y information and nothing else. Its advantage is to alleviate the need for digital certificates linking public keys to the iden.y of the corresponding user.. - In this paper we introduce a novel type of cryptographic scheme, which enables any pair of users to communicate securely and to verify each other 's signatures without exchanging private or public keys, without keeping key directories, and without using the services of a third party..IDEN.Y-BASED CRYPTOSYSTEMS AND SIGNATURE SCHEMES. Adi Shamir. Department of Applied Mathematics. The Weizmann Ins.ute of Science. Rehovot, 76100 Israel. THE IDEA. In this paper we introduce a novel type of cryptographic scheme, which enables any pair of users to communicate securely and to .

In this paper, we develop an efficient ECC-based self-certified public key cryptosystem ECCSCPKC quite suitable for efficiently securing electronic transactions..Iden.y based cryptosystems can greatly reduce the reliance on the current public key certificates which needed to be obtained in advance, by deriving public key .An encryption method is presented with the novel property that publicly revealing an encryption key does not thereby reveal the corresponding decryption key..SSH keys authenticate users and hosts in SSH. They are used for single sign-on and machine-to-machine access. Security and convenience!.

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