Abstract
Recently, in actual environments, an adversary may adopt leakage attacks (e.g., side-channel attacks) to retrieve some information of secret keys during the computations of cryptographic algorithms. Therefore, the research of leakage-resilient cryptography has obtained significant attention. In the past, numerous leakage-resilient signature, encryption and signcryption schemes have been proposed. However, these schemes still have some drawbacks. In the article, we propose a practical public-key-infrastructure-based leakage-resilient signcryption (PKI-LRSC) scheme which can resist continual leakage attacks. Performance analysis demonstrates that our scheme is suitable for running on PC and mobile device.
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