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gnutls_certificate_get_issuer(3)    gnutls    gnutls_certificate_get_issuer(3)

NAME
       gnutls_certificate_get_issuer - API function

SYNOPSIS
       #include	<gnutls/gnutls.h>

       int  gnutls_certificate_get_issuer(gnutls_certificate_credentials_t sc,
       gnutls_x509_crt_t  cert,	 gnutls_x509_crt_t  *  issuer,	unsigned   int
       flags);

ARGUMENTS
       gnutls_certificate_credentials_t	sc
		   is a	gnutls_certificate_credentials_t type.

       gnutls_x509_crt_t cert
		   is the certificate to find issuer for

       gnutls_x509_crt_t * issuer
		   Will	hold the issuer	if any.	Should be treated as constant.

       unsigned	int flags
		   Use zero or GNUTLS_TL_GET_COPY

DESCRIPTION
       This  function  will  return the	issuer of a given certificate.	If the
       flag GNUTLS_TL_GET_COPY is specified a copy of the issuer will  be  re-
       turned  which  must  be	freed using gnutls_x509_crt_deinit().  In that
       case the	provided  issuer must not be initialized.

       As with gnutls_x509_trust_list_get_issuer() this	function requires  the
       GNUTLS_TL_GET_COPY  flag	in order to operate with PKCS11	trust lists in
       a thread-safe way.

RETURNS
       On success, GNUTLS_E_SUCCESS (0)	is returned, otherwise a negative  er-
       ror value.

SINCE
       3.0

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

COPYRIGHT
       Copyright (C) 2001-2023 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/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

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

gnutls				     3.8.9    gnutls_certificate_get_issuer(3)

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