gnutls_hex2bin(3) — Linux manual page

gnutls_hex2bin(3)                 gnutls                gnutls_hex2bin(3)

NAME         top

       gnutls_hex2bin - API function

SYNOPSIS         top

       #include <gnutls/gnutls.h>

       int gnutls_hex2bin(const char * hex_data, size_t hex_size, void *
       bin_data, size_t * bin_size);

ARGUMENTS         top

       const char * hex_data
                   string with data in hex format

       size_t hex_size
                   size of hex data

       void * bin_data
                   output array with binary data

       size_t * bin_size
                   when calling should hold maximum size of  bin_data ,
                   on return will hold actual length of  bin_data .

DESCRIPTION         top

       Convert a buffer with hex data to binary data. This function
       unlike gnutls_hex_decode() can parse hex data with separators
       between numbers. That is, it ignores any non-hex characters.

RETURNS         top

       GNUTLS_E_SUCCESS on success, otherwise a negative error code.

SINCE         top

       2.4.0

REPORTING BUGS         top

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

COPYRIGHT         top

       Copyright © 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 notice and this notice are preserved.

SEE ALSO         top

       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/

COLOPHON         top

       This page is part of the GnuTLS (GnuTLS Transport Layer Security
       Library) project.  Information about the project can be found at
       ⟨http://www.gnutls.org/⟩.  If you have a bug report for this
       manual page, send it to bugs@gnutls.org.  This page was obtained
       from the tarball fetched from
       ⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-08-11.  If you
       discover any rendering problems in this HTML version of the page,
       or you believe there is a better or more up-to-date source for the
       page, or you have corrections or improvements to the information
       in this COLOPHON (which is not part of the original manual page),
       send a mail to man-pages@man7.org

gnutls                            3.8.10                gnutls_hex2bin(3)

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