4.2. 证书扩展

本节描述标准证书扩展以及互联网专用扩展.

标准扩展 (4.2.1)

• Authority Key Identifier
• Subject Key Identifier
• Key Usage
• Certificate Policies
• Policy Mappings
• Subject Alternative Name
• Issuer Alternative Name
• Subject Directory Attributes
• Basic Constraints
• Name Constraints
• Policy Constraints
• Extended Key Usage
• CRL Distribution Points
• Inhibit anyPolicy
• Freshest CRL

专用互联网扩展 (4.2.2)

• Authority Information Access
• Subject Information Access

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