Zero an mpz_t?

Marc Glisse marc.glisse at
Sun Dec 18 21:56:17 CET 2011

On Sun, 18 Dec 2011, james at wrote:

> Hiya,
> Is there a way to 'zero' an mpz_t integer, such that all of the bytes used to
> store the number are overwritten?
> I'm assuming that assigning the value of 0 will not do this, but I might be
> mistaken!


obviously, you can do it by hand (see, but gmp doesn't provide 
an interface to do that because there is no (arithmetic) reason to do such 
a thing.

It is hard to give better advice without knowing what your exact goal is.

Marc Glisse

More information about the gmp-discuss mailing list