#if TARGET_OS_OSX
bool certificateHasField(SecCertificateRef cert, const CSSM_OID &oid);
bool certificateHasPolicy(SecCertificateRef cert, const CSSM_OID &policyOid);
+CFDateRef certificateCopyFieldDate(SecCertificateRef cert, const CSSM_OID &policyOid);
#endif
//