X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fbn%2Fbn_lcl.h;h=1db940f4c5865bb4de69c26a1437e388007add40;hb=90a617e05054f4b56aebf0b41a6cd465a26ebeca;hp=8a4dba375ab2ed0a75e018a274cba2835ca2bbcc;hpb=d5c21afd4b0bcdb5da85bca74e6ea3e9ca00ac47;p=oweals%2Fopenssl.git

diff --git a/crypto/bn/bn_lcl.h b/crypto/bn/bn_lcl.h
index 8a4dba375a..1db940f4c5 100644
--- a/crypto/bn/bn_lcl.h
+++ b/crypto/bn/bn_lcl.h
@@ -239,6 +239,16 @@ struct bignum_ctx
 #define Lw(t)    (((BN_ULONG)(t))&BN_MASK2)
 #define Hw(t)    (((BN_ULONG)((t)>>BN_BITS2))&BN_MASK2)
 
+
+#define bn_clear_top2max(a) \
+	{ \
+	int      ind = (a)->dmax - (a)->top; \
+	BN_ULONG *ftl = &(a)->d[(a)->top-1]; \
+	for (; ind != 0; ind--) \
+		*(++ftl) = 0x0; \
+	}
+
+
 /* This is used for internal error checking and is not normally used */
 #ifdef BN_DEBUG
 # include <assert.h>