gnutls_pubkey_export(3)

1gnutls_pubkey_export(3)             gnutls             gnutls_pubkey_export(3)
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NAME

6       gnutls_pubkey_export - API function
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SYNOPSIS

9       #include <gnutls/abstract.h>
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11       int   gnutls_pubkey_export(gnutls_pubkey_t  key,  gnutls_x509_crt_fmt_t
12       format, void * output_data, size_t * output_data_size);
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ARGUMENTS

15       gnutls_pubkey_t key
16                   Holds the certificate
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18       gnutls_x509_crt_fmt_t format
19                   the format of output params. One of PEM or DER.
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21       void * output_data
22                   will contain a certificate PEM or DER encoded
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24       size_t * output_data_size
25                   holds the size of output_data (and will be replaced by  the
26                   actual size of parameters)
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DESCRIPTION

29       This  function  will  export  the public key to DER or PEM format.  The
30       contents of the exported data is the SubjectPublicKeyInfo X.509  struc‐
31       ture.
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33       If  the  buffer  provided  is  not long enough to hold the output, then
34       *output_data_size is updated and GNUTLS_E_SHORT_MEMORY_BUFFER  will  be
35       returned.
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37       If  the  structure is PEM encoded, it will have a header of "BEGIN CER‐
38       TIFICATE".
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RETURNS

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

45       2.12.0
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REPORTING BUGS

48       Report bugs to <bugs@gnutls.org>.
49       Home page: https://www.gnutls.org
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COPYRIGHT

53       Copyright © 2001-2023 Free Software Foundation, Inc., and others.
54       Copying  and  distribution  of this file, with or without modification,
55       are permitted in any medium without royalty provided the copyright  no‐
56       tice and this notice are preserved.
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