Update fp_x64.c

microsoft · Jul 24, 2018 · 0b388c1 · 0b388c1
1 parent 8ecf742
commit 0b388c1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/P503/AMD64/fp_x64.c b/src/P503/AMD64/fp_x64.c
@@ -334,7 +334,7 @@ void mp_mul(const digit_t* a, const digit_t* b, digit_t* c, const unsigned int n
 
 
 void rdc_mont(const digit_t* ma, digit_t* mc)
-{ // Montgomery reduction
+{ // Montgomery reduction exploiting special form of the prime.
   // mc = ma*R^-1 mod p503x2, where R = 2^512.
   // If ma < 2^512*p503, the output mc is in the range [0, 2*p503-1].
   // ma is assumed to be in Montgomery representation.