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gnutls_pubkey_export(3)             gnutls             gnutls_pubkey_export(3)

NAME
       gnutls_pubkey_export - API function

SYNOPSIS
       #include <gnutls/abstract.h>

       int   gnutls_pubkey_export(gnutls_pubkey_t  key,  gnutls_x509_crt_fmt_t
       format, void * output_data, size_t * output_data_size);

ARGUMENTS
       gnutls_pubkey_t key
                   Holds the certificate

       gnutls_x509_crt_fmt_t format
                   the format of output params. One of PEM or DER.

       void * output_data
                   will contain a certificate PEM or DER encoded

       size_t * output_data_size
                   holds the size of output_data (and will be replaced by  the
                   actual size of parameters)

DESCRIPTION
       This  function  will  export  the public key to DER or PEM format.  The
       contents of the exported data is the SubjectPublicKeyInfo X.509  struc-
       ture.

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

       If  the  structure is PEM encoded, it will have a header of "BEGIN CER-
       TIFICATE".

RETURNS
       In case of failure a negative error code will be  returned,  and  0  on
       success.

SINCE
       2.12.0

REPORTING BUGS
       Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org

COPYRIGHT
       Copyright © 2001- Free Software Foundation, Inc., and others.
       Copying  and  distribution  of this file, with or without modification,
       are permitted in any medium without royalty provided the copyright  no-
       tice and this notice are preserved.

SEE ALSO
       The  full  documentation  for gnutls is maintained as a Texinfo manual.
       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
       visit

       https://www.gnutls.org/manual/

gnutls                               3.7.3             gnutls_pubkey_export(3)

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