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What is eToken Enterprise? - tlk

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Digital Certificates Overview<br />

A digital certificate testifies to the holder’s unique identity, and can<br />

be regarded as an electronic form of a passport or identity card.<br />

Certificate holders use their certificates to establ<strong>is</strong>h their identity and<br />

to gain entry to secure areas in the digital world, such as websites and<br />

networks, and to secure the transfer and receipt of digital messages<br />

by email.<br />

Digital certificates are <strong>is</strong>sued and validated by Certification<br />

Authorities (CAs), in the same way that a passport office <strong>is</strong>sues and<br />

validates a passport. A CA <strong>is</strong> a body or entity that enables two<br />

individuals to trust each other’s authenticity, because the identity of<br />

each individual <strong>is</strong> certified by a common trusted third party.<br />

The concept of third-party trust through a CA <strong>is</strong> illustrated below:<br />

Certification<br />

Authority (CA)<br />

trust trust<br />

third-party trust<br />

For examples of <strong>eToken</strong> Enterpr<strong>is</strong>e solutions based on PKI, see<br />

“<strong>eToken</strong> Enterpr<strong>is</strong>e Security Solutions”, on page 12.<br />

For more detailed information about CA types, structure and<br />

interdependencies, see “CA Types and Hierarchies”, on page 18.<br />

14 Security Concepts

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