1gnutls_certificate_get_issuer(3)    gnutls    gnutls_certificate_get_issuer(3)
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NAME

6       gnutls_certificate_get_issuer - API function
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SYNOPSIS

9       #include <gnutls/gnutls.h>
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11       int  gnutls_certificate_get_issuer(gnutls_certificate_credentials_t sc,
12       gnutls_x509_crt_t  cert,  gnutls_x509_crt_t  *  issuer,  unsigned   int
13       flags);
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ARGUMENTS

16       gnutls_certificate_credentials_t sc
17                   is a gnutls_certificate_credentials_t type.
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19       gnutls_x509_crt_t cert
20                   is the certificate to find issuer for
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22       gnutls_x509_crt_t * issuer
23                   Will hold the issuer if any. Should be treated as constant.
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25       unsigned int flags
26                   Use zero or GNUTLS_TL_GET_COPY
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DESCRIPTION

29       This  function  will  return the issuer of a given certificate.  If the
30       flag GNUTLS_TL_GET_COPY is specified a copy of the issuer will  be  re‐
31       turned  which  must  be  freed using gnutls_x509_crt_deinit().  In that
32       case the provided  issuer must not be initialized.
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34       As with gnutls_x509_trust_list_get_issuer() this function requires  the
35       GNUTLS_TL_GET_COPY  flag in order to operate with PKCS11 trust lists in
36       a thread-safe way.
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RETURNS

39       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative  er‐
40       ror value.
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SINCE

43       3.0
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REPORTING BUGS

46       Report bugs to <bugs@gnutls.org>.
47       Home page: https://www.gnutls.org
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51       Copyright © 2001-2023 Free Software Foundation, Inc., and others.
52       Copying  and  distribution  of this file, with or without modification,
53       are permitted in any medium without royalty provided the copyright  no‐
54       tice and this notice are preserved.
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SEE ALSO

57       The  full  documentation  for gnutls is maintained as a Texinfo manual.
58       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
59       visit
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61       https://www.gnutls.org/manual/
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63gnutls                               3.8.2    gnutls_certificate_get_issuer(3)
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