[#NETSCAPE_SPKI_sign]
= NETSCAPE_SPKI_sign
:mrdocs:

Sign a Netscape SPKI with a private key and message digest.

== Synopsis

Declared in `<openssl/x509.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
NETSCAPE_SPKI_sign(
    xref:NETSCAPE_SPKI.adoc[NETSCAPE_SPKI]* x,
    xref:EVP_PKEY.adoc[EVP_PKEY]* pkey,
    xref:EVP_MD.adoc[EVP_MD] const* md);
----

== Return Value

Number of bytes in the signature on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *x*
| SPKI whose SPKAC payload is signed; signature fields are updated in place.
| *pkey*
| Private key used to create the signature.
| *md*
| Digest algorithm, or NULL to use the key type's default.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#