Dan T. F. Chan

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As handwritten signatures are being replaced by electronic signatures, the study of electronic signatures is crucial. Research related to electronic signatures is briefly divided into two areas, namely cryptography and legal research. In the area of cryptography, it focuses on security notions of signature schemes. In the area of legal research, it focuses(More)
Public Key Infrastructure (PKI), since its introduction in the late 1970s, enables the use of PKI certificate (PKC) in various applications. Even though PKC was proposed as a strong security credential in the past decade, in many situations, passphrase was used instead. The adoption of PKC had not been widespread and it was regarded as an impractical(More)
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