scripts
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niko
+240
@@ -0,0 +1,240 @@
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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 Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng.Drbg
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{
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// Token: 0x020015F8 RID: 5624
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[Token(Token = "0x20015F8")]
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[StructLayout(3)]
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public class HMacSP800Drbg : ISP80090Drbg
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{
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// Token: 0x0600964E RID: 38478 RVA: 0x00215AB4 File Offset: 0x00213CB4
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[Token(Token = "0x600964E")]
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[Address(RVA = "0x1E41E60", Offset = "0x1E40860", VA = "0x181E41E60")]
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public HMacSP800Drbg(IMac hMac, int securityStrength, IEntropySource entropySource, byte[] personalizationString, byte[] nonce)
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{
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this.mHMac = hMac;
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this.mSecurityStrength = securityStrength;
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this.mEntropySource = entropySource;
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byte[] entropy = this.GetEntropy();
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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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byte[] array2 = Arrays.ConcatenateAll(array);
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byte[] array3 = new byte[array2];
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this.mK = array3;
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byte[] array4 = new byte[array3.Length];
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this.mV = array4;
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int num = 0;
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this.hmac_DRBG_Update_Func(array2, (byte)num);
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if (array2 != 0)
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{
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}
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this.mReseedCounter = (long)((ulong)1L);
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}
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// Token: 0x0600964F RID: 38479 RVA: 0x00215B50 File Offset: 0x00213D50
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[Token(Token = "0x600964F")]
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[Address(RVA = "0x1E42430", Offset = "0x1E40E30", VA = "0x181E42430")]
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private void hmac_DRBG_Update(byte[] seedMaterial)
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{
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int num = 0;
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this.hmac_DRBG_Update_Func(seedMaterial, (byte)num);
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if (seedMaterial != 0)
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{
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}
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}
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// Token: 0x06009650 RID: 38480 RVA: 0x00215B6C File Offset: 0x00213D6C
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[Token(Token = "0x6009650")]
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[Address(RVA = "0x1E42240", Offset = "0x1E40C40", VA = "0x181E42240")]
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private void hmac_DRBG_Update_Func(byte[] seedMaterial, byte vValue)
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{
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IMac mac = this.mHMac;
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KeyParameter keyParameter = new KeyParameter(this.mK);
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byte[] array = this.mV;
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IMac mac2 = this.mHMac;
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int length = array.Length;
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IMac mac3 = this.mHMac;
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if (seedMaterial != 0)
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{
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IMac mac4 = this.mHMac;
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int length2 = seedMaterial.Length;
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}
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IMac mac5 = this.mHMac;
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IMac mac6 = this.mHMac;
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KeyParameter keyParameter2 = new KeyParameter(this.mK);
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byte[] array2 = this.mV;
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IMac mac7 = this.mHMac;
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int length3 = array2.Length;
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IMac mac8 = this.mHMac;
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}
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// Token: 0x170017F5 RID: 6133
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// (get) Token: 0x06009651 RID: 38481 RVA: 0x00215C08 File Offset: 0x00213E08
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[Token(Token = "0x170017F5")]
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public int BlockSize
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{
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[Token(Token = "0x6009651")]
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[Address(RVA = "0x1E42220", Offset = "0x1E40C20", VA = "0x181E42220", 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: 0x06009652 RID: 38482 RVA: 0x00215C28 File Offset: 0x00213E28
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[Token(Token = "0x6009652")]
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[Address(RVA = "0x1E41770", Offset = "0x1E40170", VA = "0x181E41770", Slot = "5")]
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public int Generate(byte[] output, byte[] additionalInput, bool predictionResistant)
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{
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int length = output.Length;
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long num = this.mReseedCounter;
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if (predictionResistant)
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{
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byte[] array = Arrays.Concatenate(this.GetEntropy(), additionalInput);
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int num2 = 0;
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this.hmac_DRBG_Update_Func(array, (byte)num2);
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if (array != 0)
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{
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ulong num3;
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this.hmac_DRBG_Update_Func(array, (byte)num3);
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}
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this.mReseedCounter = (long)((ulong)1L);
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}
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if (additionalInput != 0)
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{
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int num4 = 0;
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this.hmac_DRBG_Update_Func(additionalInput, (byte)num4);
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ulong num5;
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this.hmac_DRBG_Update_Func(additionalInput, (byte)num5);
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}
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byte[] array2 = new byte[output.Length];
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byte[] array3 = this.mV;
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int length2 = output.Length;
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IMac mac = this.mHMac;
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KeyParameter keyParameter = new KeyParameter(this.mK);
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int num6 = 0;
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int num10;
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if (length2 > 0)
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{
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byte[] array4 = this.mV;
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IMac mac2 = this.mHMac;
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int num7 = 0;
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if (num7 < mac)
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{
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num7 += num7;
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num7++;
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}
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int num8 = 0;
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IMac mac3 = this.mHMac;
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int num9 = 0;
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if (num9 < num8)
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{
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num9 += num9;
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num9++;
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}
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byte[] array5 = this.mV;
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num10 = array5.Length;
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int num11 = num10 * num6;
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int num12 = 0;
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Array.Copy(array5, num12, array2, num11, num10);
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num6++;
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}
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num10 = this.mV.Length;
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if (num10 * length2 < array2.Length)
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{
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IMac mac4 = this.mHMac;
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IMac mac5 = this.mHMac;
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byte[] array6 = this.mV;
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int length3 = array6.Length;
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int num13 = array2.Length;
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int num14 = 0;
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int num15 = length3 * length2;
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num13 -= num15;
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Array.Copy(array6, num14, array2, num15, num13);
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}
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int num16 = 0;
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this.hmac_DRBG_Update_Func(additionalInput, (byte)num16);
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if (additionalInput != 0)
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{
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ulong num17;
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this.hmac_DRBG_Update_Func(additionalInput, (byte)num17);
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}
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int num18 = 0;
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int length4 = output.Length;
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int num19 = 0;
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Array.Copy(array2, num19, output, num18, length4);
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return length;
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}
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// Token: 0x06009653 RID: 38483 RVA: 0x00215DF8 File Offset: 0x00213FF8
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[Token(Token = "0x6009653")]
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[Address(RVA = "0x1E41D50", Offset = "0x1E40750", VA = "0x181E41D50", Slot = "6")]
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public void Reseed(byte[] additionalInput)
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{
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byte[] array = Arrays.Concatenate(this.GetEntropy(), additionalInput);
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int num = 0;
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this.hmac_DRBG_Update_Func(array, (byte)num);
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if (array != 0)
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{
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}
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this.mReseedCounter = (long)((ulong)1L);
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}
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// Token: 0x06009654 RID: 38484 RVA: 0x00215E2C File Offset: 0x0021402C
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[Token(Token = "0x6009654")]
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[Address(RVA = "0x1E41CB0", Offset = "0x1E406B0", VA = "0x181E41CB0")]
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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: 0x0400633F RID: 25407
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[Token(Token = "0x400633F")]
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private static readonly long RESEED_MAX = (long)((ulong)140737488355328L);
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// Token: 0x04006340 RID: 25408
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[Token(Token = "0x4006340")]
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private static readonly int MAX_BITS_REQUEST;
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// Token: 0x04006341 RID: 25409
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4006341")]
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private readonly byte[] mK;
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// Token: 0x04006342 RID: 25410
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4006342")]
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private readonly byte[] mV;
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// Token: 0x04006343 RID: 25411
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4006343")]
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private readonly IEntropySource mEntropySource;
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// Token: 0x04006344 RID: 25412
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4006344")]
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private readonly IMac mHMac;
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// Token: 0x04006345 RID: 25413
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4006345")]
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private readonly int mSecurityStrength;
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// Token: 0x04006346 RID: 25414
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
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[Token(Token = "0x4006346")]
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private long mReseedCounter;
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}
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}
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