org.whispersystems.curve25519.java.fe_invert Maven / Gradle / Ivy
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Curve25519 library for Java
package org.whispersystems.curve25519.java;
public class fe_invert {
//CONVERT #include "fe.h"
public static void fe_invert(int[] out,int[] z)
{
int[] t0 = new int[10];
int[] t1 = new int[10];
int[] t2 = new int[10];
int[] t3 = new int[10];
int i;
//CONVERT #include "pow225521.h"
/* qhasm: fe z1 */
/* qhasm: fe z2 */
/* qhasm: fe z8 */
/* qhasm: fe z9 */
/* qhasm: fe z11 */
/* qhasm: fe z22 */
/* qhasm: fe z_5_0 */
/* qhasm: fe z_10_5 */
/* qhasm: fe z_10_0 */
/* qhasm: fe z_20_10 */
/* qhasm: fe z_20_0 */
/* qhasm: fe z_40_20 */
/* qhasm: fe z_40_0 */
/* qhasm: fe z_50_10 */
/* qhasm: fe z_50_0 */
/* qhasm: fe z_100_50 */
/* qhasm: fe z_100_0 */
/* qhasm: fe z_200_100 */
/* qhasm: fe z_200_0 */
/* qhasm: fe z_250_50 */
/* qhasm: fe z_250_0 */
/* qhasm: fe z_255_5 */
/* qhasm: fe z_255_21 */
/* qhasm: enter pow225521 */
/* qhasm: z2 = z1^2^1 */
/* asm 1: fe_sq.fe_sq(>z2=fe#1,z2=fe#1,>z2=fe#1); */
/* asm 2: fe_sq.fe_sq(>z2=t0,z2=t0,>z2=t0); */
fe_sq.fe_sq(t0,z); for (i = 1;i < 1;++i) fe_sq.fe_sq(t0,t0);
/* qhasm: z8 = z2^2^2 */
/* asm 1: fe_sq.fe_sq(>z8=fe#2,z8=fe#2,>z8=fe#2); */
/* asm 2: fe_sq.fe_sq(>z8=t1,z8=t1,>z8=t1); */
fe_sq.fe_sq(t1,t0); for (i = 1;i < 2;++i) fe_sq.fe_sq(t1,t1);
/* qhasm: z9 = z1*z8 */
/* asm 1: fe_mul.fe_mul(>z9=fe#2,z9=t1,z11=fe#1,z11=t0,z22=fe#3,z22=fe#3,>z22=fe#3); */
/* asm 2: fe_sq.fe_sq(>z22=t2,z22=t2,>z22=t2); */
fe_sq.fe_sq(t2,t0); for (i = 1;i < 1;++i) fe_sq.fe_sq(t2,t2);
/* qhasm: z_5_0 = z9*z22 */
/* asm 1: fe_mul.fe_mul(>z_5_0=fe#2,z_5_0=t1,z_10_5=fe#3,z_10_5=fe#3,>z_10_5=fe#3); */
/* asm 2: fe_sq.fe_sq(>z_10_5=t2,z_10_5=t2,>z_10_5=t2); */
fe_sq.fe_sq(t2,t1); for (i = 1;i < 5;++i) fe_sq.fe_sq(t2,t2);
/* qhasm: z_10_0 = z_10_5*z_5_0 */
/* asm 1: fe_mul.fe_mul(>z_10_0=fe#2,z_10_0=t1,z_20_10=fe#3,z_20_10=fe#3,>z_20_10=fe#3); */
/* asm 2: fe_sq.fe_sq(>z_20_10=t2,z_20_10=t2,>z_20_10=t2); */
fe_sq.fe_sq(t2,t1); for (i = 1;i < 10;++i) fe_sq.fe_sq(t2,t2);
/* qhasm: z_20_0 = z_20_10*z_10_0 */
/* asm 1: fe_mul.fe_mul(>z_20_0=fe#3,z_20_0=t2,z_40_20=fe#4,z_40_20=fe#4,>z_40_20=fe#4); */
/* asm 2: fe_sq.fe_sq(>z_40_20=t3,z_40_20=t3,>z_40_20=t3); */
fe_sq.fe_sq(t3,t2); for (i = 1;i < 20;++i) fe_sq.fe_sq(t3,t3);
/* qhasm: z_40_0 = z_40_20*z_20_0 */
/* asm 1: fe_mul.fe_mul(>z_40_0=fe#3,z_40_0=t2,z_50_10=fe#3,z_50_10=fe#3,>z_50_10=fe#3); */
/* asm 2: fe_sq.fe_sq(>z_50_10=t2,z_50_10=t2,>z_50_10=t2); */
fe_sq.fe_sq(t2,t2); for (i = 1;i < 10;++i) fe_sq.fe_sq(t2,t2);
/* qhasm: z_50_0 = z_50_10*z_10_0 */
/* asm 1: fe_mul.fe_mul(>z_50_0=fe#2,z_50_0=t1,z_100_50=fe#3,z_100_50=fe#3,>z_100_50=fe#3); */
/* asm 2: fe_sq.fe_sq(>z_100_50=t2,z_100_50=t2,>z_100_50=t2); */
fe_sq.fe_sq(t2,t1); for (i = 1;i < 50;++i) fe_sq.fe_sq(t2,t2);
/* qhasm: z_100_0 = z_100_50*z_50_0 */
/* asm 1: fe_mul.fe_mul(>z_100_0=fe#3,z_100_0=t2,z_200_100=fe#4,z_200_100=fe#4,>z_200_100=fe#4); */
/* asm 2: fe_sq.fe_sq(>z_200_100=t3,z_200_100=t3,>z_200_100=t3); */
fe_sq.fe_sq(t3,t2); for (i = 1;i < 100;++i) fe_sq.fe_sq(t3,t3);
/* qhasm: z_200_0 = z_200_100*z_100_0 */
/* asm 1: fe_mul.fe_mul(>z_200_0=fe#3,z_200_0=t2,z_250_50=fe#3,z_250_50=fe#3,>z_250_50=fe#3); */
/* asm 2: fe_sq.fe_sq(>z_250_50=t2,z_250_50=t2,>z_250_50=t2); */
fe_sq.fe_sq(t2,t2); for (i = 1;i < 50;++i) fe_sq.fe_sq(t2,t2);
/* qhasm: z_250_0 = z_250_50*z_50_0 */
/* asm 1: fe_mul.fe_mul(>z_250_0=fe#2,z_250_0=t1,z_255_5=fe#2,z_255_5=fe#2,>z_255_5=fe#2); */
/* asm 2: fe_sq.fe_sq(>z_255_5=t1,z_255_5=t1,>z_255_5=t1); */
fe_sq.fe_sq(t1,t1); for (i = 1;i < 5;++i) fe_sq.fe_sq(t1,t1);
/* qhasm: z_255_21 = z_255_5*z11 */
/* asm 1: fe_mul.fe_mul(>z_255_21=fe#12,z_255_21=out,