Choosing a key algorithm based on the certificate authority (CA)
When you request a new certificate you'll be asked to choose a key algorithm.
Use these tables to help you determine which key algorithm best suits your needs.
Certificate Authority |
Notes |
---|---|
Adaptable CA | Supported |
Sectigo Certificate Manager (SCM) | May require the addition of special account features. Contact the CA for help. |
DigiCert CertCentral | Supported |
Entrust Certificate Services | Requires a certificate product that supports ECC such as Advantage. |
GlobalSign |
Supported |
HID PKIaaS |
May require the addition of special account features. Contact the CA for help. |
Microsoft Active Directory Certificate Services (ADCS) - Enterprise and Standalone |
Requires a template that uses an EC algorithm name (Cryptography tab). |
Open SSL |
Supported |
QuoVadis |
May require the addition of special account features. Contact the CA for help. |
RedHat Certificate System |
May require special features that are not installed or licensed by default. Contact the CA for help. |
RSA Certificate Manager |
May require special features that are not installed or licensed by default. Contact the CA for help. |
Self-signed |
Supported |
Certificate authorities that do not support ECC algorithms
Amazon Certificate Manager |
VikingCloud |
-
If you selected ECC, select the Elliptic Curve name.
- If you selected RSA, select the Key Strength.
NOTE To see a comparison chart, see About RSA and elliptic curve cryptography (ECC) key algorithms.