March 2003
Intermediate to advanced
312 pages
7h 12m
English
Content preview from HTTP Developer’s Handbook
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Certificate Authorities
As it turns out, there is no easy solution to the problem of identification. In order to assure that a particular public key belongs to a particular person (or domain name, for example, httphandbook.org), a certificate authority (CA) is used. A certificate authority is a trusted third party that assures the identity of a public key’s owner with a digital certificate. A digital certificate is a document that declares that a particular public key is owned by a particular Web site (see Figure 18.3). The CA’s role is very similar to a notary whose responsibility is to ensure the correct identity of people signing a legal document.
Figure 18.3. A digital certificate assures the identity of a public key’s owner.
The digital ...
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