AuthenticodeDeformatter.cs

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using System;
using System.Collections;
using System.Security.Cryptography;
using Mono.Security.X509;
 
namespace Mono.Security.Authenticode
{
    // Token: 0x02000060 RID: 96
    public class AuthenticodeDeformatter : AuthenticodeBase
    {
        // Token: 0x0600029F RID: 671 RVA: 0x0000AB04 File Offset: 0x00008D04
        public AuthenticodeDeformatter()
        {
            this.reason = 1;
        }
 
        // Token: 0x060002A0 RID: 672 RVA: 0x0000AB20 File Offset: 0x00008D20
        public AuthenticodeDeformatter(byte[] rawData)
        {
            this.RawData = rawData;
        }
 
        // Token: 0x170000BD RID: 189
        // (set) Token: 0x060002A1 RID: 673 RVA: 0x0000AB34 File Offset: 0x00008D34
        public byte[] RawData
        {
            set
            {
                this.Reset();
                this.rawdata = value;
                bool flag = this.CheckSignature();
            }
        }
 
        // Token: 0x170000BE RID: 190
        // (get) Token: 0x060002A2 RID: 674 RVA: 0x0000AB68 File Offset: 0x00008D68
        public X509Certificate SigningCertificate
        {
            get
            {
                return this.signingCertificate;
            }
        }
 
        // Token: 0x060002A3 RID: 675 RVA: 0x0000AB7C File Offset: 0x00008D7C
        private bool CheckSignature()
        {
            /*
An exception occurred when decompiling this method (060002A3)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean Mono.Security.Authenticode.AuthenticodeDeformatter::CheckSignature()
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_005E:
    stfld:int32(AuthenticodeDeformatter::reason, ldloc:AuthenticodeDeformatter(this), ldc.i4:int32(1))
    call:void(AuthenticodeBase::Close, ldloc:AuthenticodeDeformatter[exp:AuthenticodeBase](this))
    stloc:SHA1(var_13_76, call:SHA1(SHA1::Create))
    stloc:MD5(var_15_80, call:MD5(MD5::Create))
    stloc:SHA256(var_17_8A, call:SHA256(SHA256::Create))
    stloc:SHA384(var_19_94, call:SHA384(SHA384::Create))
    stloc:uint8[](var_20_9E, call:uint8[](AuthenticodeBase::GetHash, ldloc:AuthenticodeDeformatter[exp:AuthenticodeBase](this), ldloc:SHA384[exp:HashAlgorithm](var_19_94)))
    stfld:uint8[](AuthenticodeDeformatter::hash, ldloc:AuthenticodeDeformatter(this), ldloc:uint8[](var_20_9E))
    call:void(AuthenticodeBase::Close, ldloc:AuthenticodeDeformatter[exp:AuthenticodeBase](this))
    stloc:ASN1(var_21_B4, ldfld:ASN1(AuthenticodeDeformatter::signedHash, ldloc:AuthenticodeDeformatter(this)))
    stloc:uint8[](var_22_BC, ldfld:uint8[](AuthenticodeDeformatter::hash, ldloc:AuthenticodeDeformatter(this)))
    stloc:bool(var_23_C7, call:bool(ASN1::CompareValue, ldloc:ASN1(var_21_B4), ldloc:uint8[](var_22_BC)))
    stfld:int32(AuthenticodeDeformatter::reason, ldloc:AuthenticodeDeformatter(this), ldc.i4:int32(2))
    stloc:uint8[](var_26_DA, callgetter:uint8[](ASN1::get_Value, ldloc:ASN1(var_25)))
    stloc:uint8[](var_27_E5, call:uint8[](HashAlgorithm::ComputeHash, ldloc:SHA384[exp:HashAlgorithm](var_19_94), ldloc:uint8[](var_26_DA)))
    stloc:int32(var_30_F0, ldfld:int32(AuthenticodeDeformatter::reason, ldloc:AuthenticodeDeformatter(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: 0x060002A4 RID: 676 RVA: 0x0000AC7C File Offset: 0x00008E7C
        private bool CompareIssuerSerial(string issuer, byte[] serial, X509Certificate x509)
        {
            /*
An exception occurred when decompiling this method (060002A4)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean Mono.Security.Authenticode.AuthenticodeDeformatter::CompareIssuerSerial(System.String,System.Byte[],Mono.Security.X509.X509Certificate)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    Block_0:
    stloc:uint8[](var_1_06, ldfld:uint8[](X509Certificate::m_encodedcert, ldloc:X509Certificate(x509)))
}
 
   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: 0x060002A5 RID: 677 RVA: 0x0000AC98 File Offset: 0x00008E98
        private bool VerifySignature(PKCS7.SignedData sd, byte[] calculatedMessageDigest, HashAlgorithm ha)
        {
            ArrayList authenticatedAttributes = sd.signerInfo.authenticatedAttributes;
            if (sd.signerInfo.authenticatedAttributes != null)
            {
            }
            ASN1 asn;
            string text = ASN1Convert.ToOid(asn);
            bool flag = text == "1.2.840.113549.1.9.3";
            long num = 0L;
            ASN1 asn2;
            string text2 = ASN1Convert.ToOid(asn2[(int)num]);
            bool flag2 = text == "1.2.840.113549.1.9.4";
            long num2 = 0L;
            ASN1 asn4;
            ASN1 asn3 = asn4[(int)num2];
            bool flag3 = text == "1.3.6.1.4.1.311.2.1.11";
            bool flag4 = text == "1.3.6.1.4.1.311.2.1.12";
            ArrayList authenticatedAttributes2 = sd.signerInfo.authenticatedAttributes;
            long num3 = 0L;
            if (num3 != 0L)
            {
                ArrayList authenticatedAttributes3 = sd.signerInfo.authenticatedAttributes;
                if (authenticatedAttributes3 != null)
                {
                }
                long num4 = 0L;
                int num5 = 12;
                if (authenticatedAttributes3 != null)
                {
                }
                if (num4 != 0L)
                {
                    throw new OutOfMemoryException();
                }
                if (num5 == 0)
                {
                    byte[] signature = sd.signerInfo.Signature;
                    PKCS7.SignerInfo signerInfo = sd.signerInfo;
                    string issuer = signerInfo.issuer;
                    byte[] serialNumber = signerInfo.SerialNumber;
                    X509CertificateCollection.X509CertificateEnumerator x509CertificateEnumerator;
                    bool flag5 = x509CertificateEnumerator.MoveNext();
                    X509Certificate x509Certificate = x509CertificateEnumerator.Current;
                    byte[] encodedcert = x509Certificate.m_encodedcert;
                    if (x509Certificate != null)
                    {
                    }
                    bool flag6;
                    return flag6;
                }
            }
            throw new InvalidCastException();
        }
 
        // Token: 0x060002A6 RID: 678 RVA: 0x0000AE60 File Offset: 0x00009060
        private bool VerifyCounterSignature(PKCS7.SignerInfo cs, byte[] signature)
        {
            byte version = cs.version;
            ArrayList authenticatedAttributes = cs.authenticatedAttributes;
            if (cs.authenticatedAttributes != null)
            {
            }
            ASN1 asn;
            string text = ASN1Convert.ToOid(asn);
            bool flag = text == "1.2.840.113549.1.9.3";
            long num = 0L;
            ASN1 asn2;
            string text2 = ASN1Convert.ToOid(asn2[(int)num]);
            bool flag2 = text == "1.2.840.113549.1.9.4";
            long num2 = 0L;
            ASN1 asn4;
            ASN1 asn3 = asn4[(int)num2];
            bool flag3 = text == "1.2.840.113549.1.9.5";
            long num3 = 0L;
            ASN1 asn5;
            DateTime dateTime = ASN1Convert.ToDateTime(asn5[(int)num3]);
            ArrayList authenticatedAttributes2 = cs.authenticatedAttributes;
            long num4 = 0L;
            ArrayList authenticatedAttributes3;
            if (num4 != 0L)
            {
                byte[] array = HashAlgorithm.Create("SHA256").ComputeHash(signature);
                byte[] signature2 = cs.Signature;
                authenticatedAttributes3 = cs.authenticatedAttributes;
                if (authenticatedAttributes3 != null)
                {
                }
            }
            long num5 = 0L;
            int num6 = 21;
            if (authenticatedAttributes3 != null)
            {
            }
            if (num5 == 0L)
            {
                while (num6 != 0)
                {
                }
                string issuer = cs.issuer;
                byte[] serialNumber = cs.SerialNumber;
                X509CertificateCollection.X509CertificateEnumerator x509CertificateEnumerator;
                bool flag4 = x509CertificateEnumerator.MoveNext();
                X509Certificate x509Certificate = x509CertificateEnumerator.Current;
                if (num5 != 0L)
                {
                }
                bool flag5;
                return flag5;
            }
            throw new OutOfMemoryException();
        }
 
        // Token: 0x060002A7 RID: 679 RVA: 0x0000AFCC File Offset: 0x000091CC
        private void Reset()
        {
            X509Chain x509Chain = this.signerChain;
            this.reason = 1;
            x509Chain.Reset();
            this.timestampChain.Reset();
            if (!true)
            {
            }
            this.timestamp = 1;
        }
 
        // Token: 0x04000283 RID: 643
        private string filename;
 
        // Token: 0x04000284 RID: 644
        private byte[] rawdata;
 
        // Token: 0x04000285 RID: 645
        private byte[] hash;
 
        // Token: 0x04000286 RID: 646
        private X509CertificateCollection coll;
 
        // Token: 0x04000287 RID: 647
        private ASN1 signedHash;
 
        // Token: 0x04000288 RID: 648
        private DateTime timestamp;
 
        // Token: 0x04000289 RID: 649
        private X509Certificate signingCertificate;
 
        // Token: 0x0400028A RID: 650
        private int reason;
 
        // Token: 0x0400028B RID: 651
        private bool trustedRoot;
 
        // Token: 0x0400028C RID: 652
        private bool trustedTimestampRoot;
 
        // Token: 0x0400028D RID: 653
        private byte[] entry;
 
        // Token: 0x0400028E RID: 654
        private X509Chain signerChain;
 
        // Token: 0x0400028F RID: 655
        private X509Chain timestampChain;
    }
}