public static void Mulmod(int[] H, int[] R) { int[] hr = new int[17]; for (int i = 0; i < 17; ++i) { int u = 0; for (int j = 0; j <= i; ++j) { u += H[j] * R[i - j]; } for (int j = i + 1; j < 17; ++j) { u += 320 * H[j] * R[i + 17 - j]; } hr[i] = u; } for (int i = 0; i < 17; ++i) { H[i] = hr[i]; } Poly1305.Squeeze(H); }