niko
201 lines
8.0 KiB
C#
201 lines
8.0 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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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: 0x020015C5 RID: 5573
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[Token(Token = "0x20015C5")]
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[StructLayout(3)]
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public class DsaSigner : IDsaExt, IDsa
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{
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// Token: 0x060094EC RID: 38124 RVA: 0x0020EFCC File Offset: 0x0020D1CC
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[Token(Token = "0x60094EC")]
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[Address(RVA = "0x1E3B720", Offset = "0x1E3A120", VA = "0x181E3B720")]
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public DsaSigner()
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{
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RandomDsaKCalculator randomDsaKCalculator = new RandomDsaKCalculator();
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this.kCalculator = randomDsaKCalculator;
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}
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// Token: 0x060094ED RID: 38125 RVA: 0x0020EFEC File Offset: 0x0020D1EC
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[Token(Token = "0x60094ED")]
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[Address(RVA = "0x3C3A30", Offset = "0x3C2430", VA = "0x1803C3A30")]
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public DsaSigner(IDsaKCalculator kCalculator)
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{
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this.kCalculator = kCalculator;
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}
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// Token: 0x170017D5 RID: 6101
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// (get) Token: 0x060094EE RID: 38126 RVA: 0x0020F008 File Offset: 0x0020D208
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[Token(Token = "0x170017D5")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x60094EE")]
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[Address(RVA = "0x1E3B780", Offset = "0x1E3A180", VA = "0x181E3B780", Slot = "9")]
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get
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{
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return "DSA";
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}
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}
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// Token: 0x060094EF RID: 38127 RVA: 0x0020F01C File Offset: 0x0020D21C
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[Token(Token = "0x60094EF")]
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[Address(RVA = "0x1E3B210", Offset = "0x1E39C10", VA = "0x181E3B210", Slot = "10")]
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public virtual void Init(bool forSigning, ICipherParameters parameters)
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{
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/*
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An exception occurred when decompiling this method (060094EF)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.DsaSigner::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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IL_5E:
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stloc:InvalidKeyException(var_9_68, newobj:InvalidKeyException(InvalidKeyException::.ctor, ldstr:string("DSA public key required for verification")))
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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: 0x170017D6 RID: 6102
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// (get) Token: 0x060094F0 RID: 38128 RVA: 0x0020F094 File Offset: 0x0020D294
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[Token(Token = "0x170017D6")]
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public virtual BigInteger Order
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{
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[Token(Token = "0x60094F0")]
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[Address(RVA = "0x1E3B7B0", Offset = "0x1E3A1B0", VA = "0x181E3B7B0", Slot = "11")]
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get
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{
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return this.key.parameters.q;
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}
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}
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// Token: 0x060094F1 RID: 38129 RVA: 0x0020F0B8 File Offset: 0x0020D2B8
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[Token(Token = "0x60094F1")]
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[Address(RVA = "0x1E3AE90", Offset = "0x1E39890", VA = "0x181E3AE90", Slot = "12")]
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public virtual BigInteger[] GenerateSignature(byte[] message)
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{
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DsaParameters parameters;
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BigInteger q;
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int num;
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for (;;)
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{
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parameters = this.key.parameters;
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q = parameters.q;
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DsaKeyParameters dsaKeyParameters = this.key;
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if (dsaKeyParameters != 0)
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{
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num = 0;
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if (dsaKeyParameters != 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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IDsaKCalculator dsaKCalculator = this.kCalculator;
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IDsaKCalculator dsaKCalculator2 = this.kCalculator;
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if (num == 0)
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{
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SecureRandom secureRandom = this.random;
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}
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IDsaKCalculator dsaKCalculator3 = this.kCalculator;
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BigInteger g = parameters.g;
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BigInteger bigInteger2;
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BigInteger bigInteger = bigInteger2.Mod(q);
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BigInteger bigInteger4;
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BigInteger bigInteger5;
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BigInteger bigInteger3 = bigInteger4.Multiply(bigInteger5).Mod(q);
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BigInteger[] array = new BigInteger[2];
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if (bigInteger != 0)
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{
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}
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array[0] = bigInteger;
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if (bigInteger3 != 0)
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{
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}
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array[1] = bigInteger3;
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return array;
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}
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// Token: 0x060094F2 RID: 38130 RVA: 0x0020F164 File Offset: 0x0020D364
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[Token(Token = "0x60094F2")]
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[Address(RVA = "0x1E3B4F0", Offset = "0x1E39EF0", VA = "0x181E3B4F0", Slot = "13")]
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public virtual bool VerifySignature(byte[] message, BigInteger r, BigInteger s)
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{
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DsaParameters parameters = this.key.parameters;
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BigInteger q = parameters.q;
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if (r.sign > 0 && q.CompareTo(r) > 0 && s.sign > 0 && q.CompareTo(s) > 0)
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{
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BigInteger bigInteger = s.ModInverse(q);
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BigInteger bigInteger3;
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BigInteger bigInteger2 = bigInteger3.Mod(q);
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BigInteger bigInteger4 = r.Multiply(bigInteger).Mod(q);
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BigInteger g = parameters.g;
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BigInteger p = parameters.p;
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BigInteger bigInteger5 = g.ModPow(bigInteger2, p);
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int nBitLength = bigInteger5.nBitLength;
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BigInteger bigInteger7;
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BigInteger bigInteger6 = bigInteger5.Multiply(bigInteger7).Mod(p).Mod(q);
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}
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throw new NullReferenceException();
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}
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// Token: 0x060094F3 RID: 38131 RVA: 0x0020F214 File Offset: 0x0020D414
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[Token(Token = "0x60094F3")]
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[Address(RVA = "0x1E3ADC0", Offset = "0x1E397C0", VA = "0x181E3ADC0", Slot = "14")]
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protected virtual BigInteger CalculateE(BigInteger n, byte[] message)
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{
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int num = 0;
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int num2 = n.BitLength;
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int length = message.Length;
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num += num2;
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num2 = Math.Min(length, num);
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int num3;
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BigInteger bigInteger = new BigInteger(1, message, num3, num2);
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num3 = 0;
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return bigInteger;
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}
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// Token: 0x060094F4 RID: 38132 RVA: 0x0020F254 File Offset: 0x0020D454
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[Token(Token = "0x60094F4")]
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[Address(RVA = "0x1E3B1A0", Offset = "0x1E39BA0", VA = "0x181E3B1A0", Slot = "15")]
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protected virtual SecureRandom InitSecureRandom(bool needed, SecureRandom provided)
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{
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do
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{
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if (!needed)
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{
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}
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}
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while (provided != 0);
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return new SecureRandom();
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}
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// Token: 0x04006259 RID: 25177
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4006259")]
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protected readonly IDsaKCalculator kCalculator;
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// Token: 0x0400625A RID: 25178
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400625A")]
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protected DsaKeyParameters key;
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// Token: 0x0400625B RID: 25179
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400625B")]
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protected SecureRandom random;
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}
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}
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