[#ASN1_TYPE_set_octetstring]
= ASN1_TYPE_set_octetstring
:mrdocs:

Set an ASN1_TYPE to an OCTET STRING containing a copy of `data.`

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
ASN1_TYPE_set_octetstring(
    xref:ASN1_TYPE.adoc[ASN1_TYPE]* a,
    unsigned char* data,
    int len);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| ANY value to update.
| *data*
| Octets to store.
| *len*
| Number of bytes at `data.`
|===


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