MACTripleDES.cs

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using System;
using System.Runtime.InteropServices;
 
namespace System.Security.Cryptography
{
    // Token: 0x020002E3 RID: 739
    [ComVisible(true)]
    public class MACTripleDES : KeyedHashAlgorithm
    {
        // Token: 0x060018C8 RID: 6344 RVA: 0x00035100 File Offset: 0x00033300
        public MACTripleDES()
        {
            int num = 1;
            base..ctor();
            if (num == 0)
            {
            }
            RNGCryptoServiceProvider staticRandomNumberGenerator = Utils.StaticRandomNumberGenerator;
            byte[] keyValue = this.KeyValue;
            TripleDES tripleDES = TripleDES.Create();
            this.des = tripleDES;
            TripleDES tripleDES2 = this.des;
            this.HashSizeValue = tripleDES;
            this.m_bytesPerBlock = keyValue;
            TripleDES tripleDES3 = this.des;
            TripleDES tripleDES4 = this.des;
        }
 
        // Token: 0x060018C9 RID: 6345 RVA: 0x00035168 File Offset: 0x00033368
        public MACTripleDES(byte[] rgbKey)
        {
        }
 
        // Token: 0x060018CA RID: 6346 RVA: 0x00035178 File Offset: 0x00033378
        public MACTripleDES(string strTripleDES, byte[] rgbKey)
        {
            do
            {
                base..ctor();
            }
            while (rgbKey == null);
            if (strTripleDES != null)
            {
                TripleDES tripleDES = TripleDES.Create(strTripleDES);
                return;
            }
            TripleDES tripleDES2 = TripleDES.Create();
            this.des = tripleDES2;
            this.HashSizeValue = tripleDES2;
            object obj;
            if (obj != null)
            {
                if (obj != null)
                {
                    this.KeyValue = obj;
                    if (obj != null)
                    {
                        goto IL_0043;
                    }
                }
                throw new InvalidCastException();
            }
            IL_0043:
            TripleDES tripleDES3 = this.des;
            TripleDES tripleDES4 = this.des;
            TripleDES tripleDES5 = this.des;
        }
 
        // Token: 0x060018CB RID: 6347 RVA: 0x000351E0 File Offset: 0x000333E0
        public override void Initialize()
        {
        }
 
        // Token: 0x170002A5 RID: 677
        // (get) Token: 0x060018CC RID: 6348 RVA: 0x000351F0 File Offset: 0x000333F0
        // (set) Token: 0x060018CD RID: 6349 RVA: 0x00035204 File Offset: 0x00033404
        [ComVisible(false)]
        public PaddingMode Padding
        {
            get
            {
                /*
An exception occurred when decompiling this method (060018CC)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Security.Cryptography.PaddingMode System.Security.Cryptography.MACTripleDES::get_Padding()
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    Block_0:
    stloc:TripleDES(var_0_06, ldfld:TripleDES(MACTripleDES::des, ldloc:MACTripleDES(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
*/;
            }
            set
            {
                TripleDES tripleDES = this.des;
            }
        }
 
        // Token: 0x060018CE RID: 6350 RVA: 0x00035224 File Offset: 0x00033424
        protected override void HashCore(byte[] rgbData, int ibStart, int cbSize)
        {
            if (this.m_encryptor != null)
            {
                CryptoStream cs = this._cs;
                return;
            }
            TripleDES tripleDES = this.des;
            TripleDES tripleDES2 = this.des;
            TripleDES tripleDES3 = this.des;
            this.m_encryptor = tripleDES2;
            ICryptoTransform encryptor = this.m_encryptor;
        }
 
        // Token: 0x060018CF RID: 6351 RVA: 0x00035268 File Offset: 0x00033468
        protected override byte[] HashFinal()
        {
            if (this.m_encryptor != null)
            {
                CryptoStream cs = this._cs;
            }
            TripleDES tripleDES = this.des;
            TripleDES tripleDES2 = this.des;
            TripleDES tripleDES3 = this.des;
            this.m_encryptor = tripleDES2;
            ICryptoTransform encryptor = this.m_encryptor;
            return this._ts.Buffer;
        }
 
        // Token: 0x060018D0 RID: 6352 RVA: 0x000352B4 File Offset: 0x000334B4
        protected override void Dispose(bool disposing)
        {
            TripleDES tripleDES = this.des;
            if (tripleDES != null)
            {
                tripleDES.Clear();
            }
            long num;
            if (this.m_encryptor != null)
            {
                num = 0L;
                return;
            }
            CryptoStream cs = this._cs;
            if (cs != null)
            {
                cs.Clear();
            }
            if (this._ts != null)
            {
            }
            byte[] keyValue = this.KeyValue;
            if (keyValue != null)
            {
                long num2 = 0L;
                Array.Clear(keyValue, (int)num2, (int)num);
            }
            int num3 = 1;
            this._disposed = num3 != 0;
        }
 
        // Token: 0x04000CBB RID: 3259
        private ICryptoTransform m_encryptor;
 
        // Token: 0x04000CBC RID: 3260
        private CryptoStream _cs;
 
        // Token: 0x04000CBD RID: 3261
        private TailStream _ts;
 
        // Token: 0x04000CBE RID: 3262
        private const int m_bitsPerByte = 8;
 
        // Token: 0x04000CBF RID: 3263
        private int m_bytesPerBlock;
 
        // Token: 0x04000CC0 RID: 3264
        private TripleDES des;
    }
}