AesTransform.cs

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using System;
using Mono.Security.Cryptography;
 
namespace System.Security.Cryptography
{
    // Token: 0x02000005 RID: 5
    internal class AesTransform : SymmetricTransform
    {
        // Token: 0x0600002A RID: 42 RVA: 0x000023BC File Offset: 0x000005BC
        public AesTransform(Aes algo, bool encryption, byte[] key, byte[] iv)
            : base(algo, encryption, iv)
        {
            if (key != null)
            {
                if (iv != null)
                {
                }
                long num = 257L;
                this.Nk = (int)num;
                int num2 = 14;
                this.Nr = num2;
                return;
            }
            throw new ArrayTypeMismatchException();
        }
 
        // Token: 0x0600002B RID: 43 RVA: 0x00002480 File Offset: 0x00000680
        protected override void ECB(byte[] input, byte[] output)
        {
            bool encrypt = this.encrypt;
            uint[] array = this.expandedKey;
            if (encrypt)
            {
                this.Encrypt128(input, output, array);
                return;
            }
            this.Decrypt128(input, output, array);
        }
 
        // Token: 0x0600002C RID: 44 RVA: 0x000024B4 File Offset: 0x000006B4
        private uint SubByte(uint a)
        {
            /*
An exception occurred when decompiling this method (0600002C)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.UInt32 System.Security.Cryptography.AesTransform::SubByte(System.UInt32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_0000:
    brtrue(IL_0000, ldc.i4:bool(1))
}
 
   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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   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: 0x0600002D RID: 45 RVA: 0x000024C4 File Offset: 0x000006C4
        private void Encrypt128(byte[] indata, byte[] outdata, uint[] ekey)
        {
            int nr = this.Nr;
        }
 
        // Token: 0x0600002E RID: 46 RVA: 0x000024E4 File Offset: 0x000006E4
        private void Decrypt128(byte[] indata, byte[] outdata, uint[] ekey)
        {
            int nr = this.Nr;
        }
 
        // Token: 0x0600002F RID: 47 RVA: 0x00002504 File Offset: 0x00000704
        // Note: this type is marked as 'beforefieldinit'.
        static AesTransform()
        {
        }
 
        // Token: 0x04000002 RID: 2
        private uint[] expandedKey;
 
        // Token: 0x04000003 RID: 3
        private int Nk;
 
        // Token: 0x04000004 RID: 4
        private int Nr;
 
        // Token: 0x04000005 RID: 5
        private static readonly uint[] Rcon;
 
        // Token: 0x04000006 RID: 6
        private static readonly byte[] SBox;
 
        // Token: 0x04000007 RID: 7
        private static readonly byte[] iSBox;
 
        // Token: 0x04000008 RID: 8
        private static readonly uint[] T0;
 
        // Token: 0x04000009 RID: 9
        private static readonly uint[] T1;
 
        // Token: 0x0400000A RID: 10
        private static readonly uint[] T2;
 
        // Token: 0x0400000B RID: 11
        private static readonly uint[] T3;
 
        // Token: 0x0400000C RID: 12
        private static readonly uint[] iT0;
 
        // Token: 0x0400000D RID: 13
        private static readonly uint[] iT1;
 
        // Token: 0x0400000E RID: 14
        private static readonly uint[] iT2;
 
        // Token: 0x0400000F RID: 15
        private static readonly uint[] iT3;
    }
}