gnutls_record_send_range man page on Slackware
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gnutls_record_send_range(3) gnutls gnutls_record_send_range(3)
NAME
gnutls_record_send_range - API function
SYNOPSIS
#include <gnutls/gnutls.h>
ssize_t gnutls_record_send_range(gnutls_session_t session, const void *
data, size_t data_size, const gnutls_range_st * range);
ARGUMENTS
gnutls_session_t session
is a gnutls_session_t structure.
const void * data
contains the data to send.
size_t data_size
is the length of the data.
const gnutls_range_st * range
is the range of lengths in which the real data length must
be hidden.
DESCRIPTION
This function operates like gnutls_record_send() but, while
gnutls_record_send() adds minimal padding to each TLS record, this
function uses the TLS extra-padding feature to conceal the real data
size within the range of lengths provided. Some TLS sessions do not
support extra padding (e.g. stream ciphers in standard TLS or SSL3 ses‐
sions). To know whether the current session supports extra padding, and
hence length hiding, use the gnutls_record_can_use_length_hiding()
function.
NOTE
This function currently is only limited to blocking sockets.
RETURNS
The number of bytes sent (that is data_size in a successful invoca‐
tion), or a negative error code.
REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>.
General guidelines for reporting bugs: http://www.gnu.org/gethelp/
GnuTLS home page: http://www.gnu.org/software/gnutls/
COPYRIGHT
Copyright © 2012 Free Software Foundation, Inc..
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
The full documentation for gnutls is maintained as a Texinfo manual.
If the info and gnutls programs are properly installed at your site,
the command
info gnutls
should give you access to the complete manual. As an alternative you
may obtain the manual from:
http://www.gnu.org/software/gnutls/manual/
gnutls 3.1.15 gnutls_record_send_range(3)
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