3.2. Allowed Key Algorithms and Their Sizes

Red Hat Certificate System supports the following key algorithms and sizes if they are provided by the underlying PKCS #11 module.
  • Allowed RSA key sizes:
    • 2048 bits or greater
  • Allowed EC curves or equivalent as defined in the FIPS PUB 186-4 standard:
    • nistp256
    • nistp384
    • nistp521