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4. Certificate and Certificate Extensions Profile

This section provides a profile for public key certificates to facilitate interoperability. The profile is based on the X.509 v3 certificate format and standard certificate extensions.

Main Topics​

Key Concepts​

Certificate Structure​

The X.509 v3 certificate consists of three main components:

  • tbsCertificate (to-be-signed certificate)
  • signatureAlgorithm
  • signatureValue

Interoperability Goals​

This profile aims to establish a common baseline for general applications requiring broad interoperability, with focus on:

  • Internet email
  • IPsec
  • WWW applications