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Table Of Contents  CertiGuide to Security+
 9  Chapter 4:  Basics of Cryptography (Domain 4.0; 15%)
      9  4.3  PKI (Public Key Infrastructure)

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4.3.1.2  Certificate Practice Statements
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4.3.3  Trust Models
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4.3.2  Revocation

Revocation refers to the irreversible invalidation of a certificate.

A certificate may be revoked for any reasons deemed acceptable by the CA, each of whom sets their own policies for certificate revocation. Typical permissible reasons for key revocation include:

  • The subscriber has requested that it be revoked

  • The subscriber informs the CA that the public/private key has been compromised

  • The subscriber has not accepted the certificate within the required acceptance period after it has been issued

Once revoked, a certificate’s information is no longer considered valid.

Reasons to Revoke

Revocation is the irreversible invalidation of a digital certificate.

A reason that a certificate might be revoked is that the subscriber has informed the CA that their public/private key has been compromised..



Previous Topic/Section
4.3.1.2  Certificate Practice Statements
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Pages in Current Topic/Section
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4.3.3  Trust Models
Next Topic/Section

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