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.\" DO NOT MODIFY THIS FILE! It was generated by gdoc.
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.TH "gnutls_record_send_range" 3 "3.6.14" "gnutls" "gnutls"
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.SH NAME
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gnutls_record_send_range \- API function
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.SH SYNOPSIS
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.B #include <gnutls/gnutls.h>
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.sp
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.BI "ssize_t gnutls_record_send_range(gnutls_session_t " session ", const void * " data ", size_t " data_size ", const gnutls_range_st * " range ");"
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.SH ARGUMENTS
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.IP "gnutls_session_t session" 12
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is a \fBgnutls_session_t\fP type.
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.IP "const void * data" 12
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contains the data to send.
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.IP "size_t data_size" 12
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is the length of the data.
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.IP "const gnutls_range_st * range" 12
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is the range of lengths in which the real data length must be hidden.
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.SH "DESCRIPTION"
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This function operates like \fBgnutls_record_send()\fP but, while
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\fBgnutls_record_send()\fP adds minimal padding to each TLS record,
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this function uses the TLS extra\-padding feature to conceal the real
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data size within the range of lengths provided.
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Some TLS sessions do not support extra padding (e.g. stream ciphers in standard
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TLS or SSL3 sessions). To know whether the current session supports extra
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padding, and hence length hiding, use the \fBgnutls_record_can_use_length_hiding()\fP
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function.
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.SH "NOTE"
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This function currently is limited to blocking sockets.
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.SH "RETURNS"
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The number of bytes sent (that is data_size in a successful invocation),
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or a negative error code.
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.SH "REPORTING BUGS"
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Report bugs to <bugs@gnutls.org>.
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.br
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Home page: https://www.gnutls.org
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.SH COPYRIGHT
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Copyright \(co 2001- Free Software Foundation, Inc., and others.
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.br
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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.SH "SEE ALSO"
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The full documentation for
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.B gnutls
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is maintained as a Texinfo manual.
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If the /usr/share/doc/gnutls/
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directory does not contain the HTML form visit
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.B
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.IP https://www.gnutls.org/manual/
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.PP
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