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A Practical Certificate and Identity Based Encryption Scheme and Related Security Architecture

Abstract : Group encryption schemes based on general access structures can be used to build advanced IT systems, which store and manage confidential documents. The paper proposes a reference architecture of public key cryptography infrastructure required to implement CIBE-GAS scheme. The CIBE-GAS scheme is a certificate-based group-oriented encryption scheme with an effective secret sharing scheme based on general access structure and bilinear pairings. The security architecture required to implement the scheme must be compliant with common standards and technical specifications, e.g. X.509 certificate format and XML-encryption standard for messages. In order to encrypt arbitrary-length messages, we also suggest a new CIBE-GAS-H scheme with a key encapsulation mechanism based on the techniques of Bentahar et al., and combined with one-time symmetric-key encryption.
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Tomasz Hyla, Jerzy Pejaś. A Practical Certificate and Identity Based Encryption Scheme and Related Security Architecture. 12th International Conference on Information Systems and Industrial Management (CISIM), Sep 2013, Krakow, Poland. pp.190-205, ⟨10.1007/978-3-642-40925-7_19⟩. ⟨hal-01496066⟩



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