| NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON | |
|  | 
gnutls_hash(3)                    gnutls                   gnutls_hash(3)
       gnutls_hash - API function
       #include <gnutls/crypto.h>
       int gnutls_hash(gnutls_hash_hd_t handle, const void * ptext,
       size_t ptext_len);
       gnutls_hash_hd_t handle
                   is a gnutls_hash_hd_t type
       const void * ptext
                   the data to hash
       size_t ptext_len
                   the length of data to hash
       This function will hash the given data using the algorithm
       specified by the context.
       Zero or a negative error code on error.
       2.10.0
       Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org
       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.
       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/
       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_hash(3)