ABB EDS500 Series Function Manual page 115

Functions
CA certificates can be created by yourself as well as purchased from an authentication
authority.
Combinations and their characteristics
• Device EC key and self-signed certificate
- Default working
- Out of the box
- Each certificate must be integrated in the browser
• External EC key and self-signed certificate
- Use of custom keys
- Each certificate must be integrated in the browser
- EC key upload is a security risk
• Device EC key and CA-signed certificate (CSR)
- Browser needs only one high-level certificate
- Automation possible
• External EC key and CA-signed certificate (CSR)
- Browser needs only one high-level certificate
- Time-consuming setup of the device
- EC key upload is a security risk
• External EC key and CA-signed certificate (external generated)
- Browser needs only one high-level certificate
- EC key upload is a security risk
- Compatibility of EC key and certificate is not guaranteed by the device.
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Certificate Management
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