niko
458 lines
15 KiB
C#
458 lines
15 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Encoders;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng.Drbg
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{
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// Token: 0x020015F6 RID: 5622
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[Token(Token = "0x20015F6")]
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[StructLayout(3)]
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public class CtrSP800Drbg : ISP80090Drbg
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{
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// Token: 0x06009636 RID: 38454 RVA: 0x002150C0 File Offset: 0x002132C0
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[Token(Token = "0x6009636")]
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[Address(RVA = "0x1DD1150", Offset = "0x1DCFB50", VA = "0x181DD1150")]
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public CtrSP800Drbg(IBlockCipher engine, int keySizeInBits, int securityStrength, IEntropySource entropySource, byte[] personalizationString, byte[] nonce)
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{
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if (!this.IsTdea(engine) || keySizeInBits == 168)
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{
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}
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this.mEntropySource = 0;
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this.mEngine = engine;
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this.mKeySizeInBits = keySizeInBits;
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this.mSecurityStrength = securityStrength;
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this.mSeedLength = (int)((uint)2);
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bool flag = this.IsTdea(engine);
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this.mIsTdea = flag;
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byte[] entropy = this.GetEntropy();
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}
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// Token: 0x06009637 RID: 38455 RVA: 0x0021512C File Offset: 0x0021332C
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[Token(Token = "0x6009637")]
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[Address(RVA = "0x1DCFE00", Offset = "0x1DCE800", VA = "0x181DCFE00")]
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private void CTR_DRBG_Instantiate_algorithm(byte[] entropy, byte[] nonce, byte[] personalisationString)
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{
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byte[][] array = new byte[3][];
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if (entropy != 0)
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{
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}
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array[0] = entropy;
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if (nonce != 0)
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{
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}
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array[1] = nonce;
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if (personalisationString != 0)
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{
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}
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array[2] = personalisationString;
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byte[] array2 = Arrays.ConcatenateAll(array);
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int num = this.mSeedLength;
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byte[] array3 = this.Block_Cipher_df(array2, num);
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IBlockCipher blockCipher = this.mEngine;
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int num2 = this.mKeySizeInBits;
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num2 += 7;
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byte[] array4 = new byte[0];
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this.mKey = array4;
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byte[] array5 = new byte[array3];
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byte[] array6 = this.mKey;
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this.mV = array5;
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this.CTR_DRBG_Update(array3, array6, array5);
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this.mReseedCounter = (long)((ulong)1L);
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}
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// Token: 0x06009638 RID: 38456 RVA: 0x002151D8 File Offset: 0x002133D8
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[Token(Token = "0x6009638")]
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[Address(RVA = "0x1DD00D0", Offset = "0x1DCEAD0", VA = "0x181DD00D0")]
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private void CTR_DRBG_Update(byte[] seed, byte[] key, byte[] v)
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{
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byte[] array = new byte[seed.Length];
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IBlockCipher blockCipher = this.mEngine;
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byte[] array2 = new byte[array];
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IBlockCipher blockCipher2 = this.mEngine;
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IBlockCipher blockCipher3 = this.mEngine;
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KeyParameter keyParameter = new KeyParameter(this.ExpandKey(key));
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int num = 0;
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int num6;
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if (num < seed.Length)
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{
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int num2 = v.Length;
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uint num3;
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num2 -= (int)num3;
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byte b;
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num3 += (uint)b;
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IBlockCipher blockCipher4 = this.mEngine;
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if (num < num2)
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{
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num += num;
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num++;
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}
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int num4 = array.Length;
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num4 -= num;
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int num5 = 0;
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num += array2;
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num6 = 0;
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num5 += num5;
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num += 4;
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num += 19;
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}
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int length = array.Length;
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if (num6 < length)
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{
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num6++;
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}
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int num7 = 0;
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int length2 = v.Length;
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int num8 = 0;
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Array.Copy(array, num7, v, num8, length2);
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}
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// Token: 0x06009639 RID: 38457 RVA: 0x002152C0 File Offset: 0x002134C0
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[Token(Token = "0x6009639")]
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[Address(RVA = "0x1DD0020", Offset = "0x1DCEA20", VA = "0x181DD0020")]
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private void CTR_DRBG_Reseed_algorithm(byte[] additionalInput)
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{
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byte[] array = Arrays.Concatenate(this.GetEntropy(), additionalInput);
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int num = this.mSeedLength;
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byte[] array2 = this.Block_Cipher_df(array, num);
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byte[] array3 = this.mV;
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byte[] array4 = this.mKey;
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this.CTR_DRBG_Update(array2, array4, array3);
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this.mReseedCounter = (long)((ulong)1L);
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}
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// Token: 0x0600963A RID: 38458 RVA: 0x0021530C File Offset: 0x0021350C
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[Token(Token = "0x600963A")]
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[Address(RVA = "0x1DD0FF0", Offset = "0x1DCF9F0", VA = "0x181DD0FF0")]
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private void XOR(byte[] output, byte[] a, byte[] b, int bOff)
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{
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int num = 0;
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int length = output.Length;
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if (num < length)
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{
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num++;
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}
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}
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// Token: 0x0600963B RID: 38459 RVA: 0x00215330 File Offset: 0x00213530
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[Token(Token = "0x600963B")]
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[Address(RVA = "0x1DCF5D0", Offset = "0x1DCDFD0", VA = "0x181DCF5D0")]
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private void AddOneTo(byte[] longer)
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{
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int num = longer.Length;
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uint num2;
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num -= (int)num2;
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byte b;
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num2 += (uint)b;
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}
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// Token: 0x0600963C RID: 38460 RVA: 0x00215354 File Offset: 0x00213554
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[Token(Token = "0x600963C")]
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[Address(RVA = "0x1DD0950", Offset = "0x1DCF350", VA = "0x181DD0950")]
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private byte[] GetEntropy()
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{
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IEntropySource entropySource = this.mEntropySource;
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int num = this.mSecurityStrength;
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num += 7;
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num += typeof(IEntropySource).TypeHandle;
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throw new NullReferenceException();
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}
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// Token: 0x0600963D RID: 38461 RVA: 0x00215380 File Offset: 0x00213580
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[Token(Token = "0x600963D")]
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[Address(RVA = "0x1DCF920", Offset = "0x1DCE320", VA = "0x181DCF920")]
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private byte[] Block_Cipher_df(byte[] inputString, int bitLength)
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{
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IBlockCipher blockCipher = this.mEngine;
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int length = inputString.Length;
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byte[] array = new byte[0];
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int num = 0;
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int num2 = 0;
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this.copyIntToByteArray(array, length, num2);
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this.copyIntToByteArray(array, length, 4);
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int num3 = 0;
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Array.Copy(inputString, num3, array, 8, length);
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int num4 = this.mKeySizeInBits;
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num3 += num4;
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byte[] array2 = new byte[num3];
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byte[] array3 = new byte[num3];
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byte[] array4 = new byte[num3];
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int num5 = this.mKeySizeInBits;
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num3 += num5;
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byte[] array5 = new byte[num3];
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int num6 = 0;
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int length2 = array5.Length;
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int num7 = 0;
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byte[] k_BITS = CtrSP800Drbg.K_BITS;
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Array.Copy(k_BITS, num7, array5, num6, length2);
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int num9;
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if (k_BITS > 0)
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{
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array4[0] = (byte)num;
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array4[0] = (byte)num;
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array4[0] = (byte)num;
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array4[0] = (byte)num;
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this.BCC(array3, array5, array4, array);
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int num8 = array2.Length;
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num8 -= num;
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num9 = 0;
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Array.Copy(array3, num9, array2, num, num8);
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int num10 = this.mKeySizeInBits;
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num += num9;
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num10 += num9;
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num++;
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}
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byte[] array6 = new byte[num9];
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int length3 = array5.Length;
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int num11 = 0;
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int num12 = 0;
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Array.Copy(array2, num12, array5, num11, length3);
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int length4 = array6.Length;
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int num13 = 0;
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int length5 = array5.Length;
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Array.Copy(array2, length5, array6, num13, length4);
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byte[] array7 = new byte[0];
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IBlockCipher blockCipher2 = this.mEngine;
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KeyParameter keyParameter = new KeyParameter(this.ExpandKey(array5));
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int num14 = 0;
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if (num14 < array7.Length)
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{
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IBlockCipher blockCipher3 = this.mEngine;
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if (num14 < blockCipher2)
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{
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num14 += num14;
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num14++;
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}
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int num15 = array7.Length;
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num15 -= num14;
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int num16 = 0;
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Array.Copy(array6, num16, array7, num14, num15);
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num16 += num16;
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num14 += 4;
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num14 += 19;
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}
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return array7;
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}
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// Token: 0x0600963E RID: 38462 RVA: 0x00215574 File Offset: 0x00213774
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[Token(Token = "0x600963E")]
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[Address(RVA = "0x1DCF630", Offset = "0x1DCE030", VA = "0x181DCF630")]
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private void BCC(byte[] bccOut, byte[] k, byte[] iV, byte[] data)
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{
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IBlockCipher blockCipher = this.mEngine;
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byte[] array = new byte[0];
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byte[] array2 = new byte[0];
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IBlockCipher blockCipher2 = this.mEngine;
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KeyParameter keyParameter = new KeyParameter(this.ExpandKey(k));
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IBlockCipher blockCipher3 = this.mEngine;
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int num = 0;
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int length = array2.Length;
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if (num < length)
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{
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num++;
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}
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IBlockCipher blockCipher4 = this.mEngine;
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int num2 = 0;
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if (num2 < num)
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{
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num2 += num2;
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num2++;
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}
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num++;
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}
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// Token: 0x0600963F RID: 38463 RVA: 0x00215604 File Offset: 0x00213804
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[Token(Token = "0x600963F")]
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[Address(RVA = "0x1DD1380", Offset = "0x1DCFD80", VA = "0x181DD1380")]
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private void copyIntToByteArray(byte[] buf, int value, int offSet)
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{
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int num = offSet + 1;
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}
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// Token: 0x170017F4 RID: 6132
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// (get) Token: 0x06009640 RID: 38464 RVA: 0x0021561C File Offset: 0x0021381C
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[Token(Token = "0x170017F4")]
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public int BlockSize
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{
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[Token(Token = "0x6009640")]
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[Address(RVA = "0x1DD1420", Offset = "0x1DCFE20", VA = "0x181DD1420", Slot = "4")]
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get
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{
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return this.mV.Length;
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}
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}
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// Token: 0x06009641 RID: 38465 RVA: 0x0021563C File Offset: 0x0021383C
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[Token(Token = "0x6009641")]
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[Address(RVA = "0x1DD04B0", Offset = "0x1DCEEB0", VA = "0x181DD04B0", Slot = "5")]
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public int Generate(byte[] output, byte[] additionalInput, bool predictionResistant)
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{
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/*
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An exception occurred when decompiling this method (06009641)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng.Drbg.CtrSP800Drbg::Generate(System.Byte[],System.Byte[],System.Boolean)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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IL_146:
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stloc:ArgumentException(var_26_15C, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string[exp:object]("Number of bits per request limited to "), ldloc:Camera[exp:object](var_25)), ldstr:string("output")))
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}
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
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--- End of inner exception stack trace ---
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
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at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
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*/;
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}
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// Token: 0x06009642 RID: 38466 RVA: 0x002157A8 File Offset: 0x002139A8
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[Token(Token = "0x6009642")]
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[Address(RVA = "0x1DD0FE0", Offset = "0x1DCF9E0", VA = "0x181DD0FE0", Slot = "6")]
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public void Reseed(byte[] additionalInput)
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{
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this.CTR_DRBG_Reseed_algorithm(additionalInput);
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}
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// Token: 0x06009643 RID: 38467 RVA: 0x002157BC File Offset: 0x002139BC
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[Token(Token = "0x6009643")]
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[Address(RVA = "0x1DD0AA0", Offset = "0x1DCF4A0", VA = "0x181DD0AA0")]
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private bool IsTdea(IBlockCipher cipher)
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{
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bool flag;
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bool flag2;
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return flag || flag2;
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}
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// Token: 0x06009644 RID: 38468 RVA: 0x002157D8 File Offset: 0x002139D8
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[Token(Token = "0x6009644")]
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[Address(RVA = "0x1DD09F0", Offset = "0x1DCF3F0", VA = "0x181DD09F0")]
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private int GetMaxSecurityStrength(IBlockCipher cipher, int keySizeInBits)
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{
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if (!this.IsTdea(cipher) || keySizeInBits == 168)
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{
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}
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return -1;
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}
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// Token: 0x06009645 RID: 38469 RVA: 0x00215800 File Offset: 0x00213A00
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[Token(Token = "0x6009645")]
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[Address(RVA = "0x1DD03E0", Offset = "0x1DCEDE0", VA = "0x181DD03E0")]
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private byte[] ExpandKey(byte[] key)
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{
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if (!this.mIsTdea)
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{
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return key;
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}
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byte[] array = new byte[24];
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int num = 0;
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int num2 = 0;
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this.PadKey(key, num2, array, num);
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ulong num3;
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this.PadKey(key, 7, array, (int)num3);
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ulong num4;
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this.PadKey(key, 14, array, (int)num4);
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return array;
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}
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// Token: 0x06009646 RID: 38470 RVA: 0x00215848 File Offset: 0x00213A48
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[Token(Token = "0x6009646")]
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[Address(RVA = "0x1DD0B30", Offset = "0x1DCF530", VA = "0x181DD0B30")]
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private void PadKey(byte[] keyMaster, int keyOff, byte[] tmp, int tmpOff)
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{
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int length = keyMaster.Length;
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int num = keyOff + 1;
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byte b;
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tmp[0] = b;
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int length2 = keyMaster.Length;
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byte b2;
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tmp[0] = b2;
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int length3 = keyMaster.Length;
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byte b3;
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tmp[0] = b3;
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int length4 = keyMaster.Length;
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byte b4;
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tmp[0] = b4;
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int length5 = keyMaster.Length;
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byte b5;
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tmp[0] = b5;
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int length6 = keyMaster.Length;
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byte b6;
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b6 += b6;
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int length7 = tmp.Length;
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int length8 = tmp.Length;
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byte b7;
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tmp[0] = b7;
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}
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// Token: 0x04006330 RID: 25392
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[Token(Token = "0x4006330")]
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private static readonly long TDEA_RESEED_MAX = (long)((uint)int.MinValue);
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// Token: 0x04006331 RID: 25393
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[Token(Token = "0x4006331")]
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private static readonly long AES_RESEED_MAX = (long)((ulong)140737488355328L);
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// Token: 0x04006332 RID: 25394
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[Token(Token = "0x4006332")]
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private static readonly int TDEA_MAX_BITS_REQUEST;
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// Token: 0x04006333 RID: 25395
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[Token(Token = "0x4006333")]
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private static readonly int AES_MAX_BITS_REQUEST;
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// Token: 0x04006334 RID: 25396
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4006334")]
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private readonly IEntropySource mEntropySource;
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// Token: 0x04006335 RID: 25397
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4006335")]
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private readonly IBlockCipher mEngine;
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// Token: 0x04006336 RID: 25398
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4006336")]
|
|
private readonly int mKeySizeInBits;
|
|
|
|
// Token: 0x04006337 RID: 25399
|
|
[global::Cpp2IlInjected.FieldOffset(Offset = "0x24")]
|
|
[Token(Token = "0x4006337")]
|
|
private readonly int mSeedLength;
|
|
|
|
// Token: 0x04006338 RID: 25400
|
|
[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
|
|
[Token(Token = "0x4006338")]
|
|
private readonly int mSecurityStrength;
|
|
|
|
// Token: 0x04006339 RID: 25401
|
|
[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
|
|
[Token(Token = "0x4006339")]
|
|
private byte[] mKey;
|
|
|
|
// Token: 0x0400633A RID: 25402
|
|
[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
|
|
[Token(Token = "0x400633A")]
|
|
private byte[] mV;
|
|
|
|
// Token: 0x0400633B RID: 25403
|
|
[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
|
|
[Token(Token = "0x400633B")]
|
|
private long mReseedCounter;
|
|
|
|
// Token: 0x0400633C RID: 25404
|
|
[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
|
|
[Token(Token = "0x400633C")]
|
|
private bool mIsTdea;
|
|
|
|
// Token: 0x0400633D RID: 25405
|
|
[Token(Token = "0x400633D")]
|
|
private static readonly byte[] K_BITS = Hex.Decode("000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F");
|
|
}
|
|
}
|