OID_PKIX_KP
OID_KP_ServerAuth[] = { OID_PKIX_KP, 1 },
OID_KP_ClientAuth[] = { OID_PKIX_KP, 2 },
OID_KP_CodeSigning[] = { OID_PKIX_KP, 3 },
OID_KP_EmailProtection[] = { OID_PKIX_KP, 4 },
OID_KP_IPSecEndSystem[] = { OID_PKIX_KP, 5 },
OID_KP_IPSecTunnel[] = { OID_PKIX_KP, 6 },
OID_KP_IPSecUser[] = { OID_PKIX_KP, 7 },
OID_KP_TimeStamping[] = { OID_PKIX_KP, 8 },
OID_KP_OCSPSigning[] = { OID_PKIX_KP, 9 }