X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fbn%2Fbn_mul.c;h=e0c8ade99652daeb178b85ad82f4bfeaa7c35254;hb=f8000b93459cff7468c0a86dec913d06c0f0b6d6;hp=b4ed7e23e62daa6a0864c2e59f3117c011960cf1;hpb=765e5311590b9970d8bd33771fb198cea30b0c05;p=oweals%2Fopenssl.git

diff --git a/crypto/bn/bn_mul.c b/crypto/bn/bn_mul.c
index b4ed7e23e6..e0c8ade996 100644
--- a/crypto/bn/bn_mul.c
+++ b/crypto/bn/bn_mul.c
@@ -66,7 +66,7 @@
 #include "cryptlib.h"
 #include "bn_lcl.h"
 
-#if defined(NO_ASM)
+#if defined(OPENSSL_NO_ASM) || !defined(__i386) /* Assembler implementation exists only for x86 */
 /* Here follows specialised variants of bn_add_words() and
    bn_sub_words().  They have the property performing operations on
    arrays of different sizes.  The sizes of those arrays is expressed through
@@ -1110,7 +1110,13 @@ void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb)
 
 		}
 	rr= &(r[na]);
-	rr[0]=bn_mul_words(r,a,na,b[0]);
+	if (nb <= 0)
+		{
+		(void)bn_mul_words(r,a,na,0);
+		return;
+		}
+	else
+		rr[0]=bn_mul_words(r,a,na,b[0]);
 
 	for (;;)
 		{