niko
366 lines
13 KiB
C#
366 lines
13 KiB
C#
using System;
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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: 0x02001C9B RID: 7323
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[Token(Token = "0x2001C9B")]
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public class SM2Signer : ISigner
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{
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// Token: 0x0600B560 RID: 46432 RVA: 0x0027399C File Offset: 0x00271B9C
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[Token(Token = "0x600B560")]
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[Address(RVA = "0x2367170", Offset = "0x2366170", VA = "0x182367170")]
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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: 0x0600B561 RID: 46433 RVA: 0x002739D4 File Offset: 0x00271BD4
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[Token(Token = "0x600B561")]
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[Address(RVA = "0x2367220", Offset = "0x2366220", VA = "0x182367220")]
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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: 0x17001C8B RID: 7307
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// (get) Token: 0x0600B562 RID: 46434 RVA: 0x00273A08 File Offset: 0x00271C08
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[Token(Token = "0x17001C8B")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600B562")]
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[Address(RVA = "0x23672B0", Offset = "0x23662B0", VA = "0x1823672B0", 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: 0x0600B563 RID: 46435 RVA: 0x00273A1C File Offset: 0x00271C1C
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[Token(Token = "0x600B563")]
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[Address(RVA = "0x2366760", Offset = "0x2365760", VA = "0x182366760", 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: 0x0600B564 RID: 46436 RVA: 0x00273B48 File Offset: 0x00271D48
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[Token(Token = "0x600B564")]
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[Address(RVA = "0x2366DA0", Offset = "0x2365DA0", VA = "0x182366DA0", 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: 0x0600B565 RID: 46437 RVA: 0x00273B68 File Offset: 0x00271D68
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[Token(Token = "0x600B565")]
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[Address(RVA = "0x2365EB0", Offset = "0x2364EB0", VA = "0x182365EB0", 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: 0x0600B566 RID: 46438 RVA: 0x00273B8C File Offset: 0x00271D8C
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[Token(Token = "0x600B566")]
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[Address(RVA = "0x2366DC0", Offset = "0x2365DC0", VA = "0x182366DC0", 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: 0x0600B567 RID: 46439 RVA: 0x00273BD0 File Offset: 0x00271DD0
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[Token(Token = "0x600B567")]
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[Address(RVA = "0x2366D40", Offset = "0x2365D40", VA = "0x182366D40", 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: 0x0600B568 RID: 46440 RVA: 0x00273C18 File Offset: 0x00271E18
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[Token(Token = "0x600B568")]
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[Address(RVA = "0x2365F90", Offset = "0x2364F90", VA = "0x182365F90", 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: 0x0600B569 RID: 46441 RVA: 0x00273D2C File Offset: 0x00271F2C
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[Token(Token = "0x600B569")]
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[Address(RVA = "0x2366EB0", Offset = "0x2365EB0", VA = "0x182366EB0")]
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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: 0x0600B56A RID: 46442 RVA: 0x00273DE4 File Offset: 0x00271FE4
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[Token(Token = "0x600B56A")]
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[Address(RVA = "0x23664F0", Offset = "0x23654F0", VA = "0x1823664F0")]
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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: 0x0600B56B RID: 46443 RVA: 0x00273EB4 File Offset: 0x002720B4
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[Token(Token = "0x600B56B")]
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[Address(RVA = "0x2365E00", Offset = "0x2364E00", VA = "0x182365E00")]
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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: 0x0600B56C RID: 46444 RVA: 0x00273ED0 File Offset: 0x002720D0
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[Token(Token = "0x600B56C")]
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[Address(RVA = "0x2365D70", Offset = "0x2364D70", VA = "0x182365D70")]
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private void AddFieldElement(IDigest digest, ECFieldElement v)
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{
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}
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// Token: 0x0600B56D RID: 46445 RVA: 0x00273EE4 File Offset: 0x002720E4
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[Token(Token = "0x600B56D")]
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[Address(RVA = "0x2365EE0", Offset = "0x2364EE0", VA = "0x182365EE0", 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: 0x0600B56E RID: 46446 RVA: 0x00273EF8 File Offset: 0x002720F8
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[Token(Token = "0x600B56E")]
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[Address(RVA = "0x2365F40", Offset = "0x2364F40", VA = "0x182365F40", 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 (0600B56E)
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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: 0x040072D4 RID: 29396
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x40072D4")]
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private readonly IDsaKCalculator kCalculator;
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// Token: 0x040072D5 RID: 29397
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x40072D5")]
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private readonly SM3Digest digest;
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// Token: 0x040072D6 RID: 29398
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x40072D6")]
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private readonly IDsaEncoding encoding;
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// Token: 0x040072D7 RID: 29399
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x40072D7")]
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private ECDomainParameters ecParams;
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// Token: 0x040072D8 RID: 29400
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x40072D8")]
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private ECPoint pubPoint;
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// Token: 0x040072D9 RID: 29401
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x40072D9")]
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private ECKeyParameters ecKey;
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// Token: 0x040072DA RID: 29402
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x40072DA")]
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private byte[] z;
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}
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}
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