verify_flags
ret = verify_flags(context, config, &adtkt, spn);
ret = verify_flags(context, config, &adtkt, tpn);
unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
verify_flags |= OCSP_NOSIGS;
verify_flags |= OCSP_NOVERIFY;
verify_flags |= OCSP_NOCHAIN;
verify_flags |= OCSP_NOCHECKS;
verify_flags |= OCSP_NOEXPLICIT;
verify_flags |= OCSP_TRUSTOTHER;
verify_flags |= OCSP_NOINTERN;
verify_flags |= OCSP_TRUSTOTHER;
i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
i = OCSP_basic_verify(bs, issuers, store, verify_flags);