Commit 8782a426 authored by Ulf Möller's avatar Ulf Möller
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add comment.

parent 0b8fa44e
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@@ -61,6 +61,8 @@
#include "bn_lcl.h"

#ifdef BN_RECURSION
/* Karatsuba-Ofman recursive multiplication algorithm */

/* r is 2*n2 words in size,
 * a and b are both n2 words in size.
 * n2 must be a power of 2.