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gnutls_dh_get_prime_bits(3)         gnutls         gnutls_dh_get_prime_bits(3)

NAME
       gnutls_dh_get_prime_bits - API function

SYNOPSIS
       #include <gnutls/gnutls.h>

       int gnutls_dh_get_prime_bits(gnutls_session_t session);

ARGUMENTS
       gnutls_session_t session
                   is a gnutls session

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.

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.

REPORTING BUGS
       Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org

COPYRIGHT
       Copyright (C) 2001- 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/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

       https://www.gnutls.org/manual/

gnutls                               3.7.9         gnutls_dh_get_prime_bits(3)