[#OCSP_basic_verify]
= OCSP_basic_verify
:mrdocs:

Verify the signature and optional certificate path of a basic OCSP response.

== Synopsis

Declared in `<openssl/ocsp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OCSP_basic_verify(
    xref:OCSP_BASICRESP.adoc[OCSP_BASICRESP]* bs,
    xref:stack_st_X509.adoc[stack_st_X509]* certs,
    xref:X509_STORE.adoc[X509_STORE]* st,
    unsigned long flags);
----

== Return Value

1 on successful verification, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bs*
| Basic OCSP response to verify.
| *certs*
| Optional untrusted certificates used to locate or build the signer path, or NULL.
| *st*
| Trusted certificate store used for path validation.
| *flags*
| OCSP_* / X509 verify flags controlling verification behaviour.
|===


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