pub const CMC_RA_EKU_OID: &str = "1.3.6.1.5.5.7.3.28";Expand description
OID for the id-kp-cmcRA Extended Key Usage (RFC 6402 section 2.10).
Used by /fullcmc and CMS-EST endpoints to verify the signer holds
the CMC Registration Authority EKU (RHELBU-3536 R15).