Identifying and Differentiating Standards and Protocols

Recognize and understand the essential standards and protocols associated with a public key infrastructure (PKI).

Multiple standards and protocols are associated with a PKI, and each one has a specific purpose and might or might not be needed in a PKI solution. In this section, we briefly cover the following standards and protocols associated with PKI:

  • PKIX/PKCS

  • X.509

  • Secure Sockets Layer (SSL) Protocol

  • Transport Layer Security (TLS) Protocol

  • Internet Security Association and Key Management (ISAKMP) Protocol

  • Certificate Management Protocol (CMP)

  • XML Key Management Specification

  • Secure Multipurpose Internet Mail Extensions (S/MIME)

  • Pretty good privacy (PGP)

  • Hypertext Transfer Protocol over Secure ...

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