Comparison between stand-alone CA and enterprise CA

May 30th, 2009 by uCertify Leave a reply »

Enterprise and stand-alone certificate authorities (CAs) are part of a public-key infrastructure (PKI). Comparisons between these two types of CAs are given below:

  • Enterprise CAs are tied to Active Directory and are required to use it.
  • Enterprise CAs use Kerberos or NTLM authentication to validate users and computers before certificates are issued.
  • Enterprise CAs use templates to issue every type of certificate.
  • Enterprise CAs are more difficult to maintain, and administrators require more in-depth knowledge about Active Directory.
  • Stand-alone CAs store their information locally. No request for certificate enrollment is responded automatically. Requests wait in a queue for an administrator to manually approve or deny them.
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