niko
368 lines
14 KiB
C#
368 lines
14 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.Field;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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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.Signers
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{
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// Token: 0x020015DE RID: 5598
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[Token(Token = "0x20015DE")]
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[StructLayout(3)]
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public class SM2Signer : ISigner
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{
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// Token: 0x060095B8 RID: 38328 RVA: 0x0021316C File Offset: 0x0021136C
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[Token(Token = "0x60095B8")]
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[Address(RVA = "0x1E4BAD0", Offset = "0x1E4A4D0", VA = "0x181E4BAD0")]
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public SM2Signer()
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{
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RandomDsaKCalculator randomDsaKCalculator = new RandomDsaKCalculator();
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this.kCalculator = randomDsaKCalculator;
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SM3Digest sm3Digest = new SM3Digest();
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this.digest = sm3Digest;
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base..ctor();
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this.encoding = typeof(StandardDsaEncoding).TypeHandle;
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}
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// Token: 0x060095B9 RID: 38329 RVA: 0x002131A4 File Offset: 0x002113A4
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[Token(Token = "0x60095B9")]
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[Address(RVA = "0x1E4BB80", Offset = "0x1E4A580", VA = "0x181E4BB80")]
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public SM2Signer(IDsaEncoding encoding)
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{
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RandomDsaKCalculator randomDsaKCalculator = new RandomDsaKCalculator();
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this.kCalculator = randomDsaKCalculator;
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SM3Digest sm3Digest = new SM3Digest();
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this.digest = sm3Digest;
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base..ctor();
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this.encoding = encoding;
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}
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// Token: 0x170017ED RID: 6125
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// (get) Token: 0x060095BA RID: 38330 RVA: 0x002131D8 File Offset: 0x002113D8
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[Token(Token = "0x170017ED")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x60095BA")]
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[Address(RVA = "0x1E4BC10", Offset = "0x1E4A610", VA = "0x181E4BC10", Slot = "11")]
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get
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{
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return "SM2Sign";
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}
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}
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// Token: 0x060095BB RID: 38331 RVA: 0x002131EC File Offset: 0x002113EC
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[Token(Token = "0x60095BB")]
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[Address(RVA = "0x1E4B0C0", Offset = "0x1E49AC0", VA = "0x181E4B0C0", Slot = "12")]
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public virtual void Init(bool forSigning, ICipherParameters parameters)
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{
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byte[] array;
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ECKeyParameters eckeyParameters;
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for (;;)
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{
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if (parameters == 0 || parameters == 0 || (parameters != 0 && parameters != 0 && parameters != 0 && parameters != 0))
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{
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array = Hex.Decode("31323334353637383132333435363738");
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if (!forSigning)
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{
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if (parameters == 0)
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{
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}
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int num = 0;
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if (parameters == 0)
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{
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continue;
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}
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this.ecKey = parameters;
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this.ecParams = num;
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if (parameters == 0 || parameters == 0)
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{
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continue;
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}
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}
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int num2;
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if (parameters != 0)
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{
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if ((parameters == 0 && parameters == 0) || parameters == 0)
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{
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continue;
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}
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num2 = 0;
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this.ecParams = num2;
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IDsaKCalculator dsaKCalculator = this.kCalculator;
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}
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int num3 = 0;
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this.ecKey = num3;
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IDsaKCalculator dsaKCalculator2 = this.kCalculator;
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this.ecParams = num2;
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SecureRandom secureRandom = new SecureRandom();
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ECDomainParameters ecdomainParameters = this.ecParams;
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eckeyParameters = this.ecKey;
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if (eckeyParameters != 0 && eckeyParameters != 0)
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{
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break;
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}
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}
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}
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this.pubPoint = eckeyParameters;
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SM3Digest sm3Digest = this.digest;
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byte[] array2 = this.GetZ(array);
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this.z = array2;
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SM3Digest sm3Digest2 = this.digest;
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int length = array2.Length;
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int num4 = 0;
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sm3Digest2.BlockUpdate(array2, num4, length);
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}
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// Token: 0x060095BC RID: 38332 RVA: 0x00213318 File Offset: 0x00211518
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[Token(Token = "0x60095BC")]
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[Address(RVA = "0x1E4B700", Offset = "0x1E4A100", VA = "0x181E4B700", Slot = "13")]
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public virtual void Update(byte b)
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{
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this.digest.Update(b);
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}
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// Token: 0x060095BD RID: 38333 RVA: 0x00213338 File Offset: 0x00211538
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[Token(Token = "0x60095BD")]
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[Address(RVA = "0x1E4A810", Offset = "0x1E49210", VA = "0x181E4A810", Slot = "14")]
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public virtual void BlockUpdate(byte[] buf, int off, int len)
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{
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this.digest.BlockUpdate(buf, off, len);
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}
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// Token: 0x060095BE RID: 38334 RVA: 0x0021335C File Offset: 0x0021155C
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[Token(Token = "0x60095BE")]
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[Address(RVA = "0x1E4B720", Offset = "0x1E4A120", VA = "0x181E4B720", Slot = "15")]
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public virtual bool VerifySignature(byte[] signature)
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{
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IDsaEncoding dsaEncoding = this.encoding;
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byte[] seed = this.ecParams.seed;
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bool flag;
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return flag;
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}
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// Token: 0x060095BF RID: 38335 RVA: 0x002133A0 File Offset: 0x002115A0
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[Token(Token = "0x60095BF")]
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[Address(RVA = "0x1E4B6A0", Offset = "0x1E4A0A0", VA = "0x181E4B6A0", Slot = "16")]
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public virtual void Reset()
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{
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if (this.z != (ulong)0L)
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{
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SM3Digest sm3Digest = this.digest;
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byte[] array = this.z;
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SM3Digest sm3Digest2 = this.digest;
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int length = array.Length;
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int num = 0;
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sm3Digest2.BlockUpdate(array, num, length);
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}
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}
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// Token: 0x060095C0 RID: 38336 RVA: 0x002133E8 File Offset: 0x002115E8
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[Token(Token = "0x60095C0")]
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[Address(RVA = "0x1E4A8F0", Offset = "0x1E492F0", VA = "0x181E4A8F0", Slot = "17")]
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public virtual byte[] GenerateSignature()
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{
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for (;;)
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{
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byte[] array = DigestUtilities.DoFinal(this.digest);
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BigInteger n = this.ecParams.n;
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ECKeyParameters eckeyParameters = this.ecKey;
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if ("{il2cpp array field local3->}" == typeof(ECPrivateKeyParameters).TypeHandle)
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{
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}
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if (eckeyParameters != 0)
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{
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int num = 0;
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if (eckeyParameters != 0)
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{
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int num2 = 0;
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IDsaKCalculator dsaKCalculator = this.kCalculator;
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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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ECDomainParameters ecdomainParameters = this.ecParams;
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int num3 = 0;
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uint num4;
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if (num3 < (int)num4)
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{
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num3 += num3;
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num3++;
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}
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char c;
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string text = c.ToString();
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BigInteger bigInteger2;
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BigInteger bigInteger = bigInteger2.Mod(n);
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while (bigInteger.sign == 0)
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{
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}
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if (bigInteger.Add(num2) == 0)
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{
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BigInteger one = BigInteger.One;
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BigInteger bigInteger4;
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BigInteger bigInteger3 = bigInteger4.ModInverse(n);
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BigInteger bigInteger5 = bigInteger.Multiply(n);
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BigInteger bigInteger7;
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BigInteger bigInteger6 = bigInteger7.Mod(n);
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if (bigInteger3.Multiply(bigInteger6).Mod(n).sign != 0)
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{
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break;
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}
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}
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}
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}
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}
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IDsaEncoding dsaEncoding = this.encoding;
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ECDomainParameters ecdomainParameters2 = this.ecParams;
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throw new NullReferenceException();
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}
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// Token: 0x060095C1 RID: 38337 RVA: 0x002134FC File Offset: 0x002116FC
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[Token(Token = "0x60095C1")]
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[Address(RVA = "0x1E4B810", Offset = "0x1E4A210", VA = "0x181E4B810")]
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private bool VerifySignature(BigInteger r, BigInteger s)
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{
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BigInteger n = this.ecParams.n;
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BigInteger one = BigInteger.One;
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int num = r.CompareTo(one);
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int num2 = r.CompareTo(n);
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BigInteger one2 = BigInteger.One;
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int num3 = s.CompareTo(one2);
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int num4 = s.CompareTo(n);
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byte[] array = DigestUtilities.DoFinal(this.digest);
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byte[] array2 = this.GenerateSignature();
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BigInteger bigInteger = r.Add(s);
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int num5 = 0;
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BigInteger bigInteger2 = bigInteger.Mod(n);
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if (bigInteger2.sign != 0)
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{
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bool flag = ECAlgorithms.SumOfTwoMultiplies(this.ecParams.g, s, num5, bigInteger2).IsNormalized();
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bool flag2;
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if (!flag2)
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{
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sbyte b;
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string text = b.ToString();
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BigInteger bigInteger4;
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BigInteger bigInteger3 = bigInteger4.Mod(n);
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}
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}
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throw new NullReferenceException();
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}
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// Token: 0x060095C2 RID: 38338 RVA: 0x002135B4 File Offset: 0x002117B4
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[Token(Token = "0x60095C2")]
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[Address(RVA = "0x1E4AE50", Offset = "0x1E49850", VA = "0x181E4AE50")]
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private byte[] GetZ(byte[] userID)
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{
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SM3Digest sm3Digest = this.digest;
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int length = userID.Length;
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IFiniteField field = this.ecParams.curve.Field;
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ECDomainParameters ecdomainParameters = this.ecParams;
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SM3Digest sm3Digest2 = this.digest;
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ECFieldElement a = ecdomainParameters.curve.A;
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this.AddFieldElement(sm3Digest2, a);
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int curveCoordinateSystem = this.ecParams.g.CurveCoordinateSystem;
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ECDomainParameters ecdomainParameters2 = this.ecParams;
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SM3Digest sm3Digest3 = this.digest;
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ECFieldElement affineXCoord = ecdomainParameters2.g.AffineXCoord;
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this.AddFieldElement(sm3Digest3, affineXCoord);
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int curveCoordinateSystem2 = this.pubPoint.CurveCoordinateSystem;
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ECPoint ecpoint = this.pubPoint;
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SM3Digest sm3Digest4 = this.digest;
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ECFieldElement affineXCoord2 = ecpoint.AffineXCoord;
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this.AddFieldElement(sm3Digest4, affineXCoord2);
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return DigestUtilities.DoFinal(this.digest);
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}
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// Token: 0x060095C3 RID: 38339 RVA: 0x00213684 File Offset: 0x00211884
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[Token(Token = "0x60095C3")]
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[Address(RVA = "0x1E4A760", Offset = "0x1E49160", VA = "0x181E4A760")]
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private void AddUserID(IDigest digest, byte[] userID)
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{
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int length = userID.Length;
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}
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// Token: 0x060095C4 RID: 38340 RVA: 0x002136A0 File Offset: 0x002118A0
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[Token(Token = "0x60095C4")]
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[Address(RVA = "0x1E4A6D0", Offset = "0x1E490D0", VA = "0x181E4A6D0")]
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private void AddFieldElement(IDigest digest, ECFieldElement v)
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{
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}
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// Token: 0x060095C5 RID: 38341 RVA: 0x002136B4 File Offset: 0x002118B4
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[Token(Token = "0x60095C5")]
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[Address(RVA = "0x1E4A840", Offset = "0x1E49240", VA = "0x181E4A840", Slot = "18")]
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protected virtual BigInteger CalculateE(byte[] message)
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{
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return new BigInteger(1, message);
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}
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// Token: 0x060095C6 RID: 38342 RVA: 0x002136C8 File Offset: 0x002118C8
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[Token(Token = "0x60095C6")]
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[Address(RVA = "0x1E4A8A0", Offset = "0x1E492A0", VA = "0x181E4A8A0", Slot = "19")]
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protected virtual ECMultiplier CreateBasePointMultiplier()
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{
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/*
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An exception occurred when decompiling this method (060095C6)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier.ECMultiplier BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.SM2Signer::CreateBasePointMultiplier()
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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Block_0:
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stloc:FixedPointCombMultiplier(var_0_05, newobj:FixedPointCombMultiplier(FixedPointCombMultiplier::.ctor))
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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: 0x040062D8 RID: 25304
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
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[Token(Token = "0x40062D8")]
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private readonly IDsaKCalculator kCalculator;
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// Token: 0x040062D9 RID: 25305
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
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[Token(Token = "0x40062D9")]
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private readonly SM3Digest digest;
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// Token: 0x040062DA RID: 25306
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
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[Token(Token = "0x40062DA")]
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private readonly IDsaEncoding encoding;
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// Token: 0x040062DB RID: 25307
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
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[Token(Token = "0x40062DB")]
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private ECDomainParameters ecParams;
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// Token: 0x040062DC RID: 25308
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
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[Token(Token = "0x40062DC")]
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private ECPoint pubPoint;
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// Token: 0x040062DD RID: 25309
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
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[Token(Token = "0x40062DD")]
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private ECKeyParameters ecKey;
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// Token: 0x040062DE RID: 25310
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
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[Token(Token = "0x40062DE")]
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private byte[] z;
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}
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}
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