Commit c61f571c authored by Bodo Möller's avatar Bodo Möller
Browse files

check BN_copy() return value

parent 60192e96

crypto/bn/bn_blind.c

+8 −3
Original line number Diff line number Diff line
@@ -207,6 +207,8 @@ int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx) 


int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)

	{

	int ret = 1;



	bn_check_top(n);



	if ((b->A == NULL) || (b->Ai == NULL))
@@ -216,9 +218,13 @@ int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx) 
		}



	if (r != NULL)

		BN_copy(r, b->Ai);

		{

		if (!BN_copy(r, b->Ai)) ret=0;

		}



	return BN_mod_mul(n,n,b->A,b->mod,ctx);

	if (!BN_mod_mul(n,n,b->A,b->mod,ctx)) ret=0;

	

	return ret;

	}



int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx)
@@ -351,4 +357,3 @@ err: 


	return ret;

}