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.\" DO NOT MODIFY THIS FILE! It was generated by gdoc.
.TH "gnutls_dh_get_prime_bits" 3 "3.7.9" "gnutls" "gnutls"
.SH NAME
gnutls_dh_get_prime_bits \- API function
.SH SYNOPSIS
.B #include <gnutls/gnutls.h>
.sp
.BI "int gnutls_dh_get_prime_bits(gnutls_session_t " session ");"
.SH ARGUMENTS
.IP "gnutls_session_t session" 12
is a gnutls session
.SH "DESCRIPTION"
This function will return the bits of the prime used in the last
Diffie\-Hellman key exchange with the peer. Should be used for both
anonymous and ephemeral Diffie\-Hellman. Note that some ciphers,
like RSA and DSA without DHE, do not use a Diffie\-Hellman key
exchange, and then this function will return 0.
.SH "RETURNS"
The Diffie\-Hellman bit strength is returned, or 0 if no
Diffie\-Hellman key exchange was done, or a negative error code on
failure.
.SH "REPORTING BUGS"
Report bugs to <bugs@gnutls.org>.
.br
Home page: https://www.gnutls.org
.SH COPYRIGHT
Copyright \(co 2001- Free Software Foundation, Inc., and others.
.br
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.
.SH "SEE ALSO"
The full documentation for
.B gnutls
is maintained as a Texinfo manual.
If the /usr/share/doc/gnutls/
directory does not contain the HTML form visit
.B
.IP https://www.gnutls.org/manual/
.PP
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