ZipCrypto.cs

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using System;
using Cpp2IlInjected;
using Ionic.Crc;
 
namespace Ionic.Zip
{
    // Token: 0x0200001A RID: 26
    internal class ZipCrypto
    {
        // Token: 0x0600008C RID: 140 RVA: 0x00002CC0 File Offset: 0x00000EC0
        private ZipCrypto()
        {
        }
 
        // Token: 0x0600008D RID: 141 RVA: 0x00002122 File Offset: 0x00000322
        public static ZipCrypto ForWrite(string password)
        {
            throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
        }
 
        // Token: 0x0600008E RID: 142 RVA: 0x00002CD4 File Offset: 0x00000ED4
        public static ZipCrypto ForRead(string password, ZipEntry e)
        {
            if (!true)
            {
            }
            return "This entry requires a password.";
        }
 
        // Token: 0x1700001B RID: 27
        // (get) Token: 0x0600008F RID: 143 RVA: 0x00002CEC File Offset: 0x00000EEC
        private byte MagicByte
        {
            get
            {
                /*
An exception occurred when decompiling this method (0600008F)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte Ionic.Zip.ZipCrypto::get_MagicByte()
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    Block_0:
    stloc:uint32[](var_0_06, ldfld:uint32[](ZipCrypto::_Keys, ldloc:ZipCrypto(this)))
}
 
   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
   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
   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
   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
   --- End of inner exception stack trace ---
   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
   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 1683
*/;
            }
        }
 
        // Token: 0x06000090 RID: 144 RVA: 0x00002D00 File Offset: 0x00000F00
        public byte[] DecryptMessage(byte[] cipherText, int length)
        {
            /*
An exception occurred when decompiling this method (06000090)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] Ionic.Zip.ZipCrypto::DecryptMessage(System.Byte[],System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    Block_0:
    stloc:uint32[](var_1_0B, ldfld:uint32[](ZipCrypto::_Keys, ldloc:ZipCrypto(this)))
    call:void(ZipCrypto::UpdateKeys, ldloc:ZipCrypto(this), ldloc:uint8[][exp:uint8](cipherText))
}
 
   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
   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
   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
   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
   --- End of inner exception stack trace ---
   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
   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 1683
*/;
        }
 
        // Token: 0x06000091 RID: 145 RVA: 0x00002D20 File Offset: 0x00000F20
        public byte[] EncryptMessage(byte[] plainText, int length)
        {
            /*
An exception occurred when decompiling this method (06000091)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] Ionic.Zip.ZipCrypto::EncryptMessage(System.Byte[],System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    Block_0:
    stloc:uint32[](var_1_0B, ldfld:uint32[](ZipCrypto::_Keys, ldloc:ZipCrypto(this)))
    call:void(ZipCrypto::UpdateKeys, ldloc:ZipCrypto(this), ldloc:int32[exp:uint8](length))
}
 
   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
   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
   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
   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
   --- End of inner exception stack trace ---
   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
   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 1683
*/;
        }
 
        // Token: 0x06000092 RID: 146 RVA: 0x00002D40 File Offset: 0x00000F40
        public void InitCipher(string passphrase)
        {
            if (!true)
            {
            }
            byte[] array = SharedUtilities.StringToByteArray(passphrase);
            int stringLength = passphrase._stringLength;
        }
 
        // Token: 0x06000093 RID: 147 RVA: 0x00002D60 File Offset: 0x00000F60
        private void UpdateKeys(byte byteValue)
        {
            uint[] keys = this._Keys;
            int num = this.crc32.ComputeCrc32((int)byteValue, byteValue);
            uint[] keys2 = this._Keys;
            int num2 = this.crc32.ComputeCrc32((int)byteValue, byteValue);
        }
 
        // Token: 0x04000044 RID: 68
        private uint[] _Keys;
 
        // Token: 0x04000045 RID: 69
        private CRC32 crc32;
    }
}