Does Okta Support ECC Certificates for Custom Domains
Sep 12, 2025
Administration
Okta Identity Engine
Overview
This article clarifies whether or not the ECC (Elliptic Curve Cryptography) certificates are supported by Okta in the custom domain configuration.
Applies To
- Custom Domains
- Replacing the RSA certificate with ECC certificate
Solution
This is not officially supported or implemented in Okta yet. However, there is a feature request that was submitted on this. Please check the related references below for more details.
