Tiejin Jiang

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Attribute-based signature (ABS) enables a signer to sign messages over attributes without revealing any information about the master key of the system. Generally, the signer needs to execute modular exponentiation and bilinear pairing for many times in most of ABS systems, which is intolerable for resource-limited devices. In this paper, a secure verifiable(More)
Verifiable computation (VC) allows a computationally weak client to outsource evaluation of a function on many inputs to a powerful but untrusted server. In this paper, we propose an algorithm of verifiable outsourcing computation with single server on modular exponentiation, which has wide applications in public key cryptosystems. We also extend the(More)
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