| Summary: | 博士 === 國立成功大學 === 電機工程學系碩博士班 === 91 === three Asia countries, namely Japan, Korea, and Singapore. Because we have participated in some projects of our GPKI, we have published some papers in the following areas such as the R.O.C. (Taiwan) PKI deployment, and the status of e-government in R.O.C (Taiwan) in national or international conferences and journals. Besides the GPKI of our country, we also continue to survey the GPKI development of some developed countries. We believe that these research results of GPKI in our dissertation will be helpful and valuable for our country and those countries, which would like to promote the GPKI project.
Third, Digital Signature is an important technique in public key cryptography and PKI technology. One of these digital Signatures called message recovery signature scheme was originally proposed by Nyberg and Rueppel and adopted in IEEE P1363 and ISO 9796-4. We proposed an extended known message attack to show that the message recovery signature scheme has the security problem.
Forth, In PKI construction, technical mechanisms are insufficient on their own. These mechanisms are usually used in combination with a set of policies and procedures for PKI implementations. In chapter 4, we mention some important management issues on the PKI. It includes the discussion on the two types of documents: Certificate Policy (CP) and Certificate Practices Statement (CPS) that describe the policies and procedures associated with a PKI. And it also has some remarks on the status of Taiwan OID (Object Identifier) assignment.
Nowadays, PKI is a hot topic in the network and information security. The related technique of PKI is boomingly developed. In this dissertation, we are just involved in part issues of PKI deployment and propose some valuable solutions and recommendations.
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