Titlebook: Introduction to Public Key Infrastructures; Johannes A. Buchmann,Evangelos Karatsiolis,Alexand Textbook 2013 Springer-Verlag Berlin Heidel

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appendix.Suitable for advanced undergraduate and graduate un.The introduction of public key cryptography (PKC) was a critical advance in IT security. In contrast to symmetric key cryptography, it enables confidential communication between entities in open networks, in particular the Internet, withou

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Validity Models,g as the certificate was valid at the time the signature was created. This so-called . is a completely different validity model for signatures. In this chapter we discuss the various validity models for digital signatures in more detail.

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Certification Service Provider,rtification service providers are also called .. In this chapter, we start by explaining the life cycle of a certificate. Then, we describe the CSP components. In the next chapter, we discuss certificate policies that govern the operation of CSPs in a PKI.

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Revocation,n the certificate has been compromised. The process of invalidating the certificate before its expiration time is called .. In this chapter, we discuss revocation and strategies to publish revocation information.

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Certificate Policies,, certificate policies that a CSP applies while generating and managing certificates are made explicit and available to the certificate users. In addition, the CSP may describe the implementation of the policy in a . (CPS). In this chapter we discuss certificate policies and certification practice statements.