.\" DO NOT MODIFY THIS FILE!  It was generated by gdoc.
.TH "gnutls_pubkey_export" 3 "3.7.9" "gnutls" "gnutls"
.SH NAME
gnutls_pubkey_export \- API function
.SH SYNOPSIS
.B #include <gnutls/abstract.h>
.sp
.BI "int gnutls_pubkey_export(gnutls_pubkey_t " key ", gnutls_x509_crt_fmt_t " format ", void * " output_data ", size_t * " output_data_size ");"
.SH ARGUMENTS
.IP "gnutls_pubkey_t key" 12
Holds the certificate
.IP "gnutls_x509_crt_fmt_t format" 12
the format of output params. One of PEM or DER.
.IP "void * output_data" 12
will contain a certificate PEM or DER encoded
.IP "size_t * output_data_size" 12
holds the size of output_data (and will be
replaced by the actual size of parameters)
.SH "DESCRIPTION"
This function will export the public key to DER or PEM format.
The contents of the exported data is the SubjectPublicKeyInfo
X.509 structure.

If the buffer provided is not long enough to hold the output, then
*output_data_size is updated and \fBGNUTLS_E_SHORT_MEMORY_BUFFER\fP will
be returned.

If the structure is PEM encoded, it will have a header
of "BEGIN CERTIFICATE".
.SH "RETURNS"
In case of failure a negative error code will be
returned, and 0 on success.
.SH "SINCE"
2.12.0
.SH "REPORTING BUGS"
Report bugs to <bugs@gnutls.org>.
.br
Home page: https://www.gnutls.org

.SH COPYRIGHT
Copyright \(co 2001- Free Software Foundation, Inc., and others.
.br
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
.SH "SEE ALSO"
The full documentation for
.B gnutls
is maintained as a Texinfo manual.
If the /usr/share/doc/gnutls/
directory does not contain the HTML form visit
.B
.IP https://www.gnutls.org/manual/
.PP