gnutls_dh_params_generate2(3) gnutls gnutls_dh_params_generate2(3)
NAME
gnutls_dh_params_generate2 - API function
SYNOPSIS
#include <gnutls/gnutls.h>
int gnutls_dh_params_generate2(gnutls_dh_params_t dparams, unsigned int
bits);
ARGUMENTS
gnutls_dh_params_t dparams
The parameters
unsigned int bits
is the prime's number of bits
DESCRIPTION
This function will generate a new pair of prime and generator for use
in the Diffie-Hellman key exchange. This may take long time.
It is recommended not to set the number of bits directly, but use
gnutls_sec_param_to_pk_bits() instead. Also note that the DH parame-
ters are only useful to servers. Since clients use the parameters sent
by the server, it's of no use to call this in client side.
The parameters generated are of the DSA form. It also is possible to
generate provable parameters (following the Shawe-Taylor algorithm),
using gnutls_x509_privkey_generate2() with DSA option and the
GNUTLS_PRIVKEY_FLAG_PROVABLE flag set. These can the be imported with
gnutls_dh_params_import_dsa().
It is no longer recommended for applications to generate parameters.
See the "Parameter generation" section in the manual.
RETURNS
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative er-
ror code is returned.
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHT
Copyright © 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 no-
tice 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
https://www.gnutls.org/manual/
gnutls 3.7.3 gnutls_dh_params_generate2(3)
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