2017
DOI: 10.2197/ipsjjip.25.67
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Representative System and Security Message Transmission using Re-encryption Scheme Based on Symmetric-key Cryptography

Abstract: Abstract:In this paper we consider the (legal) representative in governmental ICT services and propose a secure private mail box system in which a message sent to the pupil is re-encrypted by the proxy server. This process enables the representative to decrypt the message. We also show its formal description of the protocols and evaluate the security by ProVerif model checking tool.

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Cited by 3 publications
(1 citation statement)
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“…We note that there is a previous proposal by Sakazaki et al [19], further discussed in [23], which is essentially equivalent to this symmetric proxy reencryption scheme. The only difference is that the original proposal by Sakazaki et al uses the XOR operator instead of the modular multiplication.…”
Section: Symmetric Proxy Re-encryption Primitivementioning
confidence: 98%
“…We note that there is a previous proposal by Sakazaki et al [19], further discussed in [23], which is essentially equivalent to this symmetric proxy reencryption scheme. The only difference is that the original proposal by Sakazaki et al uses the XOR operator instead of the modular multiplication.…”
Section: Symmetric Proxy Re-encryption Primitivementioning
confidence: 98%