niko
187 lines
7.8 KiB
C#
187 lines
7.8 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: 0x02001C8F RID: 7311
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[Token(Token = "0x2001C8F")]
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public class Gost3410Signer : IDsaExt, IDsa
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{
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// Token: 0x17001C81 RID: 7297
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// (get) Token: 0x0600B4F2 RID: 46322 RVA: 0x00270F80 File Offset: 0x0026F180
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[Token(Token = "0x17001C81")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600B4F2")]
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[Address(RVA = "0x235BFE0", Offset = "0x235AFE0", VA = "0x18235BFE0", Slot = "9")]
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get
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{
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return "GOST3410";
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}
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}
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// Token: 0x0600B4F3 RID: 46323 RVA: 0x00270F94 File Offset: 0x0026F194
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[Token(Token = "0x600B4F3")]
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[Address(RVA = "0x235B9C0", Offset = "0x235A9C0", VA = "0x18235B9C0", 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 (0600B4F3)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.Gost3410Signer::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_60:
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stloc:InvalidKeyException(var_8_6A, newobj:InvalidKeyException(InvalidKeyException::.ctor, ldstr:string("GOST3410 public key required for signing")))
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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: 0x17001C82 RID: 7298
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// (get) Token: 0x0600B4F4 RID: 46324 RVA: 0x0027100C File Offset: 0x0026F20C
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[Token(Token = "0x17001C82")]
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public virtual BigInteger Order
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{
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[Token(Token = "0x600B4F4")]
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[Address(RVA = "0x5EF6E0", Offset = "0x5EE6E0", VA = "0x1805EF6E0", 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: 0x0600B4F5 RID: 46325 RVA: 0x00271030 File Offset: 0x0026F230
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[Token(Token = "0x600B4F5")]
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[Address(RVA = "0x235B660", Offset = "0x235A660", VA = "0x18235B660", Slot = "12")]
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public virtual BigInteger[] GenerateSignature(byte[] message)
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{
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Gost3410Parameters parameters;
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BigInteger bigInteger2;
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BigInteger bigInteger4;
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BigInteger bigInteger5;
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Gost3410KeyParameters gost3410KeyParameters;
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do
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{
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byte[] array = new byte[message.Length];
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int num = 0;
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int num2 = array.Length;
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if (num != num2)
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{
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num2 -= num;
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num++;
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}
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BigInteger bigInteger = new BigInteger(1, array);
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parameters = this.key.parameters;
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int bitLength = parameters.q.BitLength;
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SecureRandom secureRandom = this.random;
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bigInteger2 = new BigInteger(bitLength, secureRandom);
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BigInteger q = parameters.q;
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int num3 = bigInteger2.CompareTo(q);
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BigInteger a = parameters.a;
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BigInteger p = parameters.p;
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BigInteger bigInteger3 = a.ModPow(bigInteger2, p);
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BigInteger q2 = parameters.q;
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bigInteger4 = bigInteger3.Mod(q2);
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bigInteger5 = bigInteger2.Multiply(bigInteger);
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gost3410KeyParameters = this.key;
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}
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while (gost3410KeyParameters == 0 || gost3410KeyParameters == 0);
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BigInteger bigInteger6 = bigInteger2.Multiply(bigInteger4);
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BigInteger bigInteger7 = bigInteger5.Add(bigInteger6);
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BigInteger q3 = parameters.q;
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BigInteger bigInteger8 = bigInteger7.Mod(q3);
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BigInteger[] array2 = new BigInteger[2];
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if (bigInteger4 != 0)
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{
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}
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array2[0] = bigInteger4;
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if (bigInteger8 != 0)
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{
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}
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array2[1] = bigInteger8;
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return array2;
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}
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// Token: 0x0600B4F6 RID: 46326 RVA: 0x00271160 File Offset: 0x0026F360
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[Token(Token = "0x600B4F6")]
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[Address(RVA = "0x235BC50", Offset = "0x235AC50", VA = "0x18235BC50", Slot = "13")]
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public virtual bool VerifySignature(byte[] message, BigInteger r, BigInteger s)
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{
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Gost3410Parameters parameters;
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BigInteger bigInteger8;
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Gost3410KeyParameters gost3410KeyParameters;
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do
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{
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byte[] array = new byte[message.Length];
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int num = 0;
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int num2 = array.Length;
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if (num != num2)
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{
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num2 -= num;
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num++;
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}
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BigInteger bigInteger = new BigInteger(1, array);
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parameters = this.key.parameters;
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if (parameters.q.CompareTo(r) <= 0 || parameters.q.CompareTo(s) <= 0)
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{
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goto IL_14F;
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}
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BigInteger q = parameters.q;
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BigInteger two = BigInteger.Two;
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BigInteger bigInteger2 = q.Subtract(two);
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BigInteger q2 = parameters.q;
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BigInteger bigInteger3 = bigInteger.ModPow(bigInteger2, q2);
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BigInteger bigInteger4 = s.Multiply(bigInteger3);
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BigInteger q3 = parameters.q;
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BigInteger bigInteger5 = bigInteger4.Mod(q3);
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BigInteger bigInteger6 = parameters.q.Subtract(r).Multiply(bigInteger3);
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BigInteger q4 = parameters.q;
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BigInteger bigInteger7 = bigInteger6.Mod(q4);
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BigInteger a = parameters.a;
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BigInteger p = parameters.p;
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bigInteger8 = a.ModPow(bigInteger5, p);
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gost3410KeyParameters = this.key;
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}
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while (gost3410KeyParameters == 0 || gost3410KeyParameters == 0);
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BigInteger p2 = parameters.p;
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BigInteger bigInteger10;
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BigInteger bigInteger9 = bigInteger8.Multiply(bigInteger10);
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BigInteger p3 = parameters.p;
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BigInteger bigInteger11 = bigInteger9.Mod(p3);
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BigInteger q5 = parameters.q;
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BigInteger bigInteger12 = bigInteger11.Mod(q5);
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IL_14F:
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throw new NullReferenceException();
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}
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// Token: 0x0600B4F7 RID: 46327 RVA: 0x002712C4 File Offset: 0x0026F4C4
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[Token(Token = "0x600B4F7")]
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[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
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public Gost3410Signer()
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{
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}
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// Token: 0x0400727C RID: 29308
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x400727C")]
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private Gost3410KeyParameters key;
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// Token: 0x0400727D RID: 29309
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400727D")]
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private SecureRandom random;
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}
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}
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