Correct error in fixed window exponentiation.

If window size > 1, the result was incorrect :( GH #754
randombit · Dec 14, 2016 · 1a0f41b · 1a0f41b
1 parent 1eb0252
commit 1a0f41b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/math/numbertheory/powm_fw.cpp b/src/math/numbertheory/powm_fw.cpp
@@ -31,7 +31,7 @@ void Fixed_Window_Exponentiator::set_base(const BigInt& base)
    g[1] = base;
 
    for(size_t i = 2; i != g.size(); ++i)
-      g[i] = reducer.multiply(g[i-1], g[0]);
+      g[i] = reducer.multiply(g[i-1], g[1]);
    }
 
 /*