niko
199 lines
7.9 KiB
C#
199 lines
7.9 KiB
C#
using System;
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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: 0x02001C82 RID: 7298
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[Token(Token = "0x2001C82")]
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public class DsaSigner : IDsaExt, IDsa
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{
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// Token: 0x0600B494 RID: 46228 RVA: 0x0026F820 File Offset: 0x0026DA20
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[Token(Token = "0x600B494")]
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[Address(RVA = "0x2356960", Offset = "0x2355960", VA = "0x182356960")]
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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: 0x0600B495 RID: 46229 RVA: 0x0026F840 File Offset: 0x0026DA40
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[Token(Token = "0x600B495")]
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[Address(RVA = "0x493D90", Offset = "0x492D90", VA = "0x180493D90")]
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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: 0x17001C73 RID: 7283
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// (get) Token: 0x0600B496 RID: 46230 RVA: 0x0026F85C File Offset: 0x0026DA5C
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[Token(Token = "0x17001C73")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600B496")]
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[Address(RVA = "0x23569C0", Offset = "0x23559C0", VA = "0x1823569C0", 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: 0x0600B497 RID: 46231 RVA: 0x0026F870 File Offset: 0x0026DA70
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[Token(Token = "0x600B497")]
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[Address(RVA = "0x2356450", Offset = "0x2355450", VA = "0x182356450", 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 (0600B497)
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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: 0x17001C74 RID: 7284
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// (get) Token: 0x0600B498 RID: 46232 RVA: 0x0026F8E8 File Offset: 0x0026DAE8
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[Token(Token = "0x17001C74")]
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public virtual BigInteger Order
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{
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[Token(Token = "0x600B498")]
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[Address(RVA = "0x23569F0", Offset = "0x23559F0", VA = "0x1823569F0", 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: 0x0600B499 RID: 46233 RVA: 0x0026F90C File Offset: 0x0026DB0C
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[Token(Token = "0x600B499")]
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[Address(RVA = "0x23560D0", Offset = "0x23550D0", VA = "0x1823560D0", 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: 0x0600B49A RID: 46234 RVA: 0x0026F9B8 File Offset: 0x0026DBB8
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[Token(Token = "0x600B49A")]
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[Address(RVA = "0x2356730", Offset = "0x2355730", VA = "0x182356730", 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: 0x0600B49B RID: 46235 RVA: 0x0026FA68 File Offset: 0x0026DC68
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[Token(Token = "0x600B49B")]
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[Address(RVA = "0x2356000", Offset = "0x2355000", VA = "0x182356000", 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: 0x0600B49C RID: 46236 RVA: 0x0026FAA8 File Offset: 0x0026DCA8
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[Token(Token = "0x600B49C")]
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[Address(RVA = "0x23563E0", Offset = "0x23553E0", VA = "0x1823563E0", 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: 0x04007255 RID: 29269
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4007255")]
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protected readonly IDsaKCalculator kCalculator;
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// Token: 0x04007256 RID: 29270
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4007256")]
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protected DsaKeyParameters key;
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// Token: 0x04007257 RID: 29271
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4007257")]
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protected SecureRandom random;
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}
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}
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