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An Overview of Public Key Infrastructures (PKI)

No change in size, 15:32, 3 March 2008
Digital Certificate Structure
The fields specified by X.509 are as follows:
* '''Issuing CA''' - The name of the certificate authority which issued the certificate.
* '''CA Digital Signature''' - The digital signature of the issuing certificate authority.
* '''Signature Algorithm''' - The hashing and digital signature algorithms used in the creation of the certificate.
In addition to the standard certificate fields, ''certificate extensions'' allow addition of custom data to digital certificates.
== Certificate Lifecycles and Key Management ==