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Man Pages


Manual Reference Pages  -  GNUTLS_RECORD_SEND_RANGE (3)

NAME

gnutls_record_send_range - API function

CONTENTS

Synopsis
Arguments
Copyright

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 type.
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 sessions). 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 invocation), or a negative error code.

REPORTING BUGS

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

COPYRIGHT

Copyright © 2001-2016 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

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
http://www.gnutls.org/manual/
Search for    or go to Top of page |  Section 3 |  Main Index


gnutls GNUTLS_RECORD_SEND_RANGE (3) 3.4.9

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