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niko
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using System;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
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{
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// Token: 0x02001D19 RID: 7449
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[Token(Token = "0x2001D19")]
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public class GOfbBlockCipher : IBlockCipher
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{
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// Token: 0x0600B845 RID: 47173 RVA: 0x0027E718 File Offset: 0x0027C918
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[Token(Token = "0x600B845")]
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[Address(RVA = "0x25B99D0", Offset = "0x25B89D0", VA = "0x1825B99D0")]
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public GOfbBlockCipher(IBlockCipher cipher)
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{
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this.cipher = cipher;
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byte[] array = new byte[0];
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this.IV = array;
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byte[] array2 = new byte[array];
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this.ofbV = array2;
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byte[] array3 = new byte[array2];
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this.ofbOutV = array3;
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}
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// Token: 0x0600B846 RID: 47174 RVA: 0x0027E774 File Offset: 0x0027C974
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[Token(Token = "0x600B846")]
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[Address(RVA = "0x4157E0", Offset = "0x4147E0", VA = "0x1804157E0")]
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public IBlockCipher GetUnderlyingCipher()
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{
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return this.cipher;
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}
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// Token: 0x0600B847 RID: 47175 RVA: 0x0027E788 File Offset: 0x0027C988
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[Token(Token = "0x600B847")]
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[Address(RVA = "0x25B9460", Offset = "0x25B8460", VA = "0x1825B9460", Slot = "5")]
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public void Init(bool forEncryption, ICipherParameters parameters)
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{
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do
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{
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int num = 0;
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this.firstStep = true;
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this.N3 = num;
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if (parameters == 0 || parameters == 0)
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{
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goto IL_4D;
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}
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}
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while (parameters == 0);
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byte[] iv = this.IV;
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byte[] array;
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int length = array.Length;
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int length2 = iv.Length;
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int num2 = 0;
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int num3 = 0;
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Array.Copy(array, num2, iv, num3, length2);
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IL_4D:
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byte[] iv2 = this.IV;
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int length3 = iv2.Length;
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int num4 = 0;
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byte[] array2 = this.ofbV;
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int num5 = 0;
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Array.Copy(iv2, num5, array2, num4, length3);
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IBlockCipher blockCipher = this.cipher;
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if (parameters != 0)
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{
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IBlockCipher blockCipher2 = this.cipher;
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}
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}
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// Token: 0x17001D19 RID: 7449
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// (get) Token: 0x0600B848 RID: 47176 RVA: 0x0027E82C File Offset: 0x0027CA2C
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[Token(Token = "0x17001D19")]
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public string AlgorithmName
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{
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[Token(Token = "0x600B848")]
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[Address(RVA = "0x25B9BB0", Offset = "0x25B8BB0", VA = "0x1825B9BB0", Slot = "4")]
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get
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{
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IBlockCipher blockCipher = this.cipher;
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return 0 + "/GCTR";
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}
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}
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// Token: 0x17001D1A RID: 7450
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// (get) Token: 0x0600B849 RID: 47177 RVA: 0x0027E854 File Offset: 0x0027CA54
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[Token(Token = "0x17001D1A")]
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public bool IsPartialBlockOkay
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{
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[Token(Token = "0x600B849")]
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[Address(RVA = "0x4246A0", Offset = "0x4236A0", VA = "0x1804246A0", Slot = "7")]
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get
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{
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return true;
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}
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}
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// Token: 0x0600B84A RID: 47178 RVA: 0x0027E864 File Offset: 0x0027CA64
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[Token(Token = "0x600B84A")]
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[Address(RVA = "0x471180", Offset = "0x470180", VA = "0x180471180", Slot = "6")]
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public int GetBlockSize()
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{
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return this.blockSize;
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}
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// Token: 0x0600B84B RID: 47179 RVA: 0x0027E878 File Offset: 0x0027CA78
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[Token(Token = "0x600B84B")]
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[Address(RVA = "0x25B9690", Offset = "0x25B8690", VA = "0x1825B9690", Slot = "8")]
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public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
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{
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int num = 0;
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if ((this.firstStep ? 1 : 0) != num)
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{
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IBlockCipher blockCipher = this.cipher;
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this.firstStep = num != 0;
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byte[] array = this.ofbOutV;
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byte[] array2 = this.ofbOutV;
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int num2 = 0;
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int num3 = this.bytesToint(array2, num2);
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byte[] array3 = this.ofbOutV;
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this.N3 = num3;
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int num4 = this.bytesToint(array3, 4);
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this.N4 = num4;
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}
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int num5 = this.N3;
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num5 += 16843009;
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int num6 = this.N4;
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this.N3 = num5;
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if (num6 < 16843012 && num6 > 0)
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{
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num6++;
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this.N4 = num6;
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}
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byte[] array4 = this.ofbV;
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int num7 = 0;
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this.intTobytes(num5, array4, num7);
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byte[] array5 = this.ofbV;
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int n = this.N4;
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uint num8;
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this.intTobytes(n, array5, (int)num8);
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IBlockCipher blockCipher2 = this.cipher;
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byte[] array6 = this.ofbOutV;
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int num9;
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if (this.blockSize > 0)
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{
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byte[] array7 = this.ofbOutV;
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num9 = this.blockSize;
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}
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byte[] array8 = this.ofbV;
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int num10 = array8.Length;
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int num11 = 0;
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num10 -= num9;
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Array.Copy(array8, num9, array8, num11, num10);
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byte[] array9 = this.ofbV;
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int num12 = this.blockSize;
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int num13 = 0;
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int num14 = array9.Length;
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byte[] array10 = this.ofbOutV;
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num14 -= num12;
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Array.Copy(array10, num13, array9, num14, num12);
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return this.blockSize;
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}
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// Token: 0x0600B84C RID: 47180 RVA: 0x0027E9E8 File Offset: 0x0027CBE8
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[Token(Token = "0x600B84C")]
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[Address(RVA = "0x25B9960", Offset = "0x25B8960", VA = "0x1825B9960", Slot = "9")]
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public void Reset()
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{
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byte[] iv = this.IV;
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int length = iv.Length;
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int num = 0;
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byte[] array = this.ofbV;
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int num2 = 0;
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Array.Copy(iv, num2, array, num, length);
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IBlockCipher blockCipher = this.cipher;
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throw new NullReferenceException();
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}
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// Token: 0x0600B84D RID: 47181 RVA: 0x0027EA28 File Offset: 0x0027CC28
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[Token(Token = "0x600B84D")]
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[Address(RVA = "0x25B9AF0", Offset = "0x25B8AF0", VA = "0x1825B9AF0")]
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private int bytesToint(byte[] inBytes, int inOff)
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{
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int length = inBytes.Length;
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int num = inOff + 1;
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byte b;
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byte b2;
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b += b2;
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b += b2;
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byte b3;
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b += b3;
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throw new NullReferenceException();
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}
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// Token: 0x0600B84E RID: 47182 RVA: 0x0027EA54 File Offset: 0x0027CC54
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[Token(Token = "0x600B84E")]
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[Address(RVA = "0x22DD6C0", Offset = "0x22DC6C0", VA = "0x1822DD6C0")]
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private void intTobytes(int num, byte[] outBytes, int outOff)
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{
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int num2 = outOff + 1;
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}
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// Token: 0x04007448 RID: 29768
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4007448")]
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private byte[] IV;
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// Token: 0x04007449 RID: 29769
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4007449")]
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private byte[] ofbV;
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// Token: 0x0400744A RID: 29770
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400744A")]
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private byte[] ofbOutV;
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// Token: 0x0400744B RID: 29771
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x400744B")]
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private readonly int blockSize;
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// Token: 0x0400744C RID: 29772
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x400744C")]
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private readonly IBlockCipher cipher;
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// Token: 0x0400744D RID: 29773
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x400744D")]
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private bool firstStep = true;
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// Token: 0x0400744E RID: 29774
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[FieldOffset(Offset = "0x3C")]
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[Token(Token = "0x400744E")]
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private int N3;
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// Token: 0x0400744F RID: 29775
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x400744F")]
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private int N4;
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// Token: 0x04007450 RID: 29776
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[Token(Token = "0x4007450")]
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private const int C1 = 16843012;
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// Token: 0x04007451 RID: 29777
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[Token(Token = "0x4007451")]
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private const int C2 = 16843009;
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}
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}
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