Certificateless cryptography is a variant of ID-based cryptography intended to prevent the key escrow problem. Only a partial private key is generated by the key generation center (KGC) and the other part of the private key is chosen by and only known to the user. An additional public key is ...

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How to know private key is computed from specific partial private key?

In a certificate-less cryptography, I have learned that – to resolve the key escrow problem of IBE – the concept of a partial private key is used. Now, consider the following Scenario: After ...
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How can user privacy be preserved in certificateless cryptography?

In certificateless cryptography, how can a user preserve his privacy from Key Generation Center? If the KGC becomes malicious, how can the user's privacy be preserved? I read "Privacy-Preserving ...
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Authentication using certificateless signature

With traditional PKI approach two parties can communicate with each other in following way Now, How the above approach will be applied using Certificateless Cryptography.? How two parties in two ...
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Example of CL PKC

I am trying to solve the example of algorithms of Certificateless Signature by manually and solving the mathematics of Algorithms but not succeed while doing mathematical calculations. Please ...
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Can you explain partial private key extract algorithm in certificateless Public key cryptography?

Related to the algorithms of certificate-less Signature approach of Al-Riyami and Paterson… Why is there a need for a "partial private key extract algorithm"? Why should it be needed when ...
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About private keys of certificateless cryptography

While reading Identity Based Cryptography and Certificateless Cryptography , Can any one tell why should private key generator(PKG) or Key generation center (KGC) generate private keys for users..? ...
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Certificateless Signature

Consider the following scenario: There are two users: A and B. Users A and B generate a pair of their own public and private keys PUBa, PRIa and PUBb, PRIb. There is one trusted center(TC) that ...
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Certificateless cryptography

While reading "Certificateless Public Key Cryptography" by Author Sattam S. Al-Riyami and Kenneth G. Paterson, they have considered generation of private keys by a Key Generation Center (KGC). If the ...