Fix "random" modulus so it is odd and has msb of most significant digit set to 1, and "random" base to be less than modulus.
Fix "random" modulus so it is odd and has msb of most significant digit
set to 1, and "random" base to be less than modulus.

nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old,nmav/nss,ekr/nss-old,nmav/nss