Commit 904cb691 authored by Bodo Möller's avatar Bodo Möller
Browse files

Return bignum '0' when BN_rand is asked for a 0 bit random number.

parent 3f2599d9

crypto/bn/bn_rand.c

+6 −0
Original line number Diff line number Diff line
@@ -68,6 +68,12 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom) 
	int ret=0,bit,bytes,mask;

	time_t tim;



	if (bits == 0)

		{

		BN_zero(rnd);

		return 1;

		}



	bytes=(bits+7)/8;

	bit=(bits-1)%8;

	mask=0xff<<bit;