[#SCT_set_signature_nid]
= SCT_set_signature_nid
:mrdocs:

Set the signature algorithm NID used by an SCT.

== Synopsis

Declared in `<openssl/ct.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SCT_set_signature_nid(
    xref:SCT.adoc[SCT]* sct,
    int nid);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sct*
| Signed Certificate Timestamp to update.
| *nid*
| For CT v1, NID_sha256WithRSAEncryption or NID_ecdsa_with_SHA256.
|===


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