niko
221 lines
6.6 KiB
C#
221 lines
6.6 KiB
C#
using System;
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using System.Runtime.InteropServices;
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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: 0x02001434 RID: 5172
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[Token(Token = "0x2001434")]
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[StructLayout(3)]
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public abstract class X25519
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{
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// Token: 0x0600862F RID: 34351 RVA: 0x001D6AC4 File Offset: 0x001D4CC4
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[Token(Token = "0x600862F")]
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[Address(RVA = "0x209ADB0", Offset = "0x20997B0", VA = "0x18209ADB0")]
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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: 0x06008630 RID: 34352 RVA: 0x001D6AD8 File Offset: 0x001D4CD8
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[Token(Token = "0x6008630")]
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[Address(RVA = "0x74C4E0", Offset = "0x74AEE0", VA = "0x18074C4E0")]
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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: 0x06008631 RID: 34353 RVA: 0x001D6AF8 File Offset: 0x001D4CF8
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[Token(Token = "0x6008631")]
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[Address(RVA = "0x209AE70", Offset = "0x2099870", VA = "0x18209AE70")]
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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: 0x06008632 RID: 34354 RVA: 0x001D6B48 File Offset: 0x001D4D48
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[Token(Token = "0x6008632")]
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[Address(RVA = "0x209AFE0", Offset = "0x20999E0", VA = "0x18209AFE0")]
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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: 0x06008633 RID: 34355 RVA: 0x001D6B74 File Offset: 0x001D4D74
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[Token(Token = "0x6008633")]
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[Address(RVA = "0x209B070", Offset = "0x2099A70", VA = "0x18209B070")]
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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: 0x06008634 RID: 34356 RVA: 0x001D6B8C File Offset: 0x001D4D8C
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[Token(Token = "0x6008634")]
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[Address(RVA = "0x209B080", Offset = "0x2099A80", VA = "0x18209B080")]
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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: 0x06008635 RID: 34357 RVA: 0x001D6BEC File Offset: 0x001D4DEC
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[Token(Token = "0x6008635")]
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[Address(RVA = "0x209B1E0", Offset = "0x2099BE0", VA = "0x18209B1E0")]
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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: 0x06008636 RID: 34358 RVA: 0x001D6C00 File Offset: 0x001D4E00
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[Token(Token = "0x6008636")]
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[Address(RVA = "0x209B550", Offset = "0x2099F50", VA = "0x18209B550")]
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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: 0x06008637 RID: 34359 RVA: 0x001D6E58 File Offset: 0x001D5058
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[Token(Token = "0x6008637")]
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[Address(RVA = "0x209B230", Offset = "0x2099C30", VA = "0x18209B230")]
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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: 0x06008638 RID: 34360 RVA: 0x001D6F10 File Offset: 0x001D5110
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[Token(Token = "0x6008638")]
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[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
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protected X25519()
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{
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}
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// Token: 0x04005CC1 RID: 23745
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[Token(Token = "0x4005CC1")]
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public const int PointSize = 32;
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// Token: 0x04005CC2 RID: 23746
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[Token(Token = "0x4005CC2")]
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public const int ScalarSize = 32;
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// Token: 0x04005CC3 RID: 23747
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[Token(Token = "0x4005CC3")]
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private const int C_A = 486662;
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// Token: 0x04005CC4 RID: 23748
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[Token(Token = "0x4005CC4")]
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private const int C_A24 = 121666;
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}
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}
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