niko
219 lines
6.5 KiB
C#
219 lines
6.5 KiB
C#
using System;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Rfc8032;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Rfc7748
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{
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// Token: 0x02001AF1 RID: 6897
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[Token(Token = "0x2001AF1")]
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public abstract class X25519
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{
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// Token: 0x0600A5D7 RID: 42455 RVA: 0x00237154 File Offset: 0x00235354
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[Token(Token = "0x600A5D7")]
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[Address(RVA = "0x745690", Offset = "0x744690", VA = "0x180745690")]
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public static bool CalculateAgreement(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)
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{
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bool flag;
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return !flag;
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}
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// Token: 0x0600A5D8 RID: 42456 RVA: 0x00237168 File Offset: 0x00235368
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[Token(Token = "0x600A5D8")]
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[Address(RVA = "0x45D6B0", Offset = "0x45C6B0", VA = "0x18045D6B0")]
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private static uint Decode32(byte[] bs, int off)
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{
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int length = bs.Length;
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int num = off + 1;
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throw new NullReferenceException();
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}
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// Token: 0x0600A5D9 RID: 42457 RVA: 0x00237188 File Offset: 0x00235388
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[Token(Token = "0x600A5D9")]
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[Address(RVA = "0x745750", Offset = "0x744750", VA = "0x180745750")]
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private static void DecodeScalar(byte[] k, int kOff, uint[] n)
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{
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int num = 0;
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int length = k.Length;
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int num2 = kOff + 1;
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byte b = k[k];
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num++;
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n[0] = (uint)b;
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uint num3 = n[3];
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n[3] = num3;
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n[3] = num3;
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}
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// Token: 0x0600A5DA RID: 42458 RVA: 0x002371D8 File Offset: 0x002353D8
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[Token(Token = "0x600A5DA")]
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[Address(RVA = "0x7458C0", Offset = "0x7448C0", VA = "0x1807458C0")]
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public static void GeneratePrivateKey(SecureRandom random, byte[] k)
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{
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byte b = k[3];
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k[3] = b;
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k[3] = b;
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}
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// Token: 0x0600A5DB RID: 42459 RVA: 0x00237204 File Offset: 0x00235404
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[Token(Token = "0x600A5DB")]
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[Address(RVA = "0x745950", Offset = "0x744950", VA = "0x180745950")]
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public static void GeneratePublicKey(byte[] k, int kOff, byte[] r, int rOff)
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{
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X25519.ScalarMultBase(k, kOff, r, rOff);
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}
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// Token: 0x0600A5DC RID: 42460 RVA: 0x0023721C File Offset: 0x0023541C
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[Token(Token = "0x600A5DC")]
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[Address(RVA = "0x745960", Offset = "0x744960", VA = "0x180745960")]
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private static void PointDouble(int[] x, int[] z)
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{
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int[] array = new int[10];
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int[] array2 = new int[10];
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X25519Field.Apm(x, z, array, array2);
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X25519Field.Sqr(array, array);
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X25519Field.Sqr(array2, array2);
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X25519Field.Mul(array, array2, x);
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X25519Field.Sub(array, array2, array);
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X25519Field.Mul(array, 121666, z);
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X25519Field.Add(z, array2, z);
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X25519Field.Mul(z, array, z);
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}
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// Token: 0x0600A5DD RID: 42461 RVA: 0x0023727C File Offset: 0x0023547C
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[Token(Token = "0x600A5DD")]
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[Address(RVA = "0x745AC0", Offset = "0x744AC0", VA = "0x180745AC0")]
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public static void Precompute()
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{
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Ed25519.Precompute();
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}
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// Token: 0x0600A5DE RID: 42462 RVA: 0x00237290 File Offset: 0x00235490
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[Token(Token = "0x600A5DE")]
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[Address(RVA = "0x745E30", Offset = "0x744E30", VA = "0x180745E30")]
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public static void ScalarMult(byte[] k, int kOff, byte[] u, int uOff, byte[] r, int rOff)
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{
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uint[] array = new uint[8];
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X25519.DecodeScalar(k, kOff, array);
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int[] array2 = new int[10];
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X25519Field.Decode(u, uOff, array2);
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int[] array3 = new int[10];
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int num = 0;
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int num2 = array2[num];
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num++;
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array3[0] = num2;
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int[] array4 = new int[10];
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uint num3;
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array4[0] = (int)num3;
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int[] array5 = new int[10];
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array5[0] = (int)num3;
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int[] array6 = new int[10];
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int[] array7 = new int[10];
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int[] array8 = new int[10];
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X25519Field.Apm(array5, array6, array7, array5);
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X25519Field.Apm(array3, array4, array6, array3);
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X25519Field.Mul(array7, array3, array7);
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X25519Field.Mul(array5, array6, array5);
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X25519Field.Sqr(array6, array6);
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X25519Field.Sqr(array3, array3);
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int num4 = 0;
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int num5 = array6[num4];
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num4++;
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array8[0] = num5;
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uint num6;
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X25519Field.Mul(array8, (int)num6, array4);
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int num7 = 0;
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int num8 = array3[num7];
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num7++;
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X25519Field.Mul(array4, array8, array4);
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X25519Field.Mul(array3, array6, array3);
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int num9 = 0;
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int num10 = array7[num9];
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int num11 = array5[num9];
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array5[0] = num8;
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num10 -= num11;
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num9++;
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array6[0] = num10;
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X25519Field.Sqr(array5, array5);
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X25519Field.Sqr(array6, array6);
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X25519Field.Mul(array6, array2, array6);
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int num12 = 0;
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int num13 = array5[num12];
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num12++;
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array5[0] = num13;
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int num14 = 0;
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num14++;
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array6[0] = num13;
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int num15 = 0;
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int[] array9 = new int[10];
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int[] array10 = new int[10];
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X25519Field.Apm(array3, array4, array9, array10);
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X25519Field.Sqr(array9, array9);
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X25519Field.Sqr(array10, array10);
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X25519Field.Mul(array9, array10, array3);
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num15++;
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uint num16;
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X25519Field.Mul(array9, (int)num16, array4);
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int num17 = array10[num15];
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num15++;
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X25519Field.Mul(array4, array9, array4);
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num15++;
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X25519Field.Inv(array4, array4);
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X25519Field.Mul(array3, array4, array3);
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int num18 = array3[4];
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X25519Field.Reduce(array3, num18);
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X25519Field.Reduce(array3, num18);
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}
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// Token: 0x0600A5DF RID: 42463 RVA: 0x002374E8 File Offset: 0x002356E8
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[Token(Token = "0x600A5DF")]
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[Address(RVA = "0x745B10", Offset = "0x744B10", VA = "0x180745B10")]
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public static void ScalarMultBase(byte[] k, int kOff, byte[] r, int rOff)
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{
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int[] array = new int[10];
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int[] array2 = new int[10];
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byte[] array3 = new byte[32];
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Ed25519.PruneScalar(k, kOff, array3);
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Ed25519.PointAccum pointAccum = new Ed25519.PointAccum();
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Ed25519.ScalarMultBase(array3, pointAccum);
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int[] y = pointAccum.y;
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int num = 0;
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int num2 = y[num];
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num++;
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array[0] = num2;
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int num3 = pointAccum.z[num];
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num++;
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array2[0] = num3;
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X25519Field.Apm(array2, array, array, array2);
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X25519Field.Inv(array2, array2);
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X25519Field.Mul(array, array2, array);
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X25519Field.Normalize(array);
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int num4 = 0;
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X25519Field.Encode128(array, num4, r, rOff);
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X25519Field.Encode128(array, 5, r, rOff);
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}
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// Token: 0x0600A5E0 RID: 42464 RVA: 0x002375A0 File Offset: 0x002357A0
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[Token(Token = "0x600A5E0")]
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[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
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protected X25519()
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{
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}
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// Token: 0x04006CBD RID: 27837
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[Token(Token = "0x4006CBD")]
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public const int PointSize = 32;
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// Token: 0x04006CBE RID: 27838
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[Token(Token = "0x4006CBE")]
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public const int ScalarSize = 32;
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// Token: 0x04006CBF RID: 27839
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[Token(Token = "0x4006CBF")]
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private const int C_A = 486662;
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// Token: 0x04006CC0 RID: 27840
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[Token(Token = "0x4006CC0")]
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private const int C_A24 = 121666;
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}
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}
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