niko
262 lines
14 KiB
C#
262 lines
14 KiB
C#
using System;
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using System.Collections;
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using System.IO;
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using System.Runtime.InteropServices;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.Ecc;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
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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.Pkcs;
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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.Cms
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{
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// Token: 0x0200177D RID: 6013
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[Token(Token = "0x200177D")]
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[StructLayout(3)]
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public class KeyAgreeRecipientInformation : RecipientInformation
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{
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// Token: 0x0600A27C RID: 41596 RVA: 0x0025D778 File Offset: 0x0025B978
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[Token(Token = "0x600A27C")]
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[Address(RVA = "0x660160", Offset = "0x65EB60", VA = "0x180660160")]
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internal static void ReadRecipientInfo(IList infos, KeyAgreeRecipientInfo info, CmsSecureReadable secureReadable)
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{
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int num = 0;
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IEnumerator enumerator = info.recipientEncryptedKeys.GetEnumerator();
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if (enumerator != 0)
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{
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if (num < enumerator)
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{
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num += num;
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num++;
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}
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ulong num2;
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enumerator += num2;
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if (enumerator == 0 || enumerator == 0)
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{
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throw new NullReferenceException();
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}
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RecipientID recipientID = new RecipientID();
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RecipientEncryptedKey recipientEncryptedKey;
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KeyAgreeRecipientIdentifier identifier = recipientEncryptedKey.identifier;
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if (identifier.issuerSerial == 0)
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{
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Stream octetStream = identifier.rKeyID.subjectKeyIdentifier.GetOctetStream();
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}
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byte[] authorityKeyIdentifier = recipientID.authorityKeyIdentifier;
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recipientID.issuer = authorityKeyIdentifier;
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int basicConstraints = recipientID.basicConstraints;
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BigInteger bigInteger;
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recipientID.serialNumber = bigInteger;
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}
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KeyAgreeRecipientInformation keyAgreeRecipientInformation;
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if (keyAgreeRecipientInformation != 0)
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{
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}
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if (num != -1)
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{
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}
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if (num == 0)
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{
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return;
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}
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throw new NullReferenceException();
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}
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// Token: 0x0600A27D RID: 41597 RVA: 0x0025D860 File Offset: 0x0025BA60
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[Token(Token = "0x600A27D")]
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[Address(RVA = "0x660680", Offset = "0x65F080", VA = "0x180660680")]
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internal KeyAgreeRecipientInformation(KeyAgreeRecipientInfo info, RecipientID rid, Asn1OctetString encryptedKey, CmsSecureReadable secureReadable)
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{
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this.rid = rid;
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this.encryptedKey = encryptedKey;
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this.info = info;
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}
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// Token: 0x0600A27E RID: 41598 RVA: 0x0025D888 File Offset: 0x0025BA88
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[Token(Token = "0x600A27E")]
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[Address(RVA = "0x65FC00", Offset = "0x65E600", VA = "0x18065FC00")]
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private AsymmetricKeyParameter GetSenderPublicKey(AsymmetricKeyParameter receiverPrivateKey, OriginatorIdentifierOrKey originator)
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{
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OriginatorPublicKey originatorPublicKey = originator.OriginatorPublicKey;
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if (originatorPublicKey != 0)
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{
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return this.GetPublicKeyFromOriginatorPublicKey(receiverPrivateKey, originatorPublicKey);
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}
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OriginatorID originatorID = new OriginatorID();
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IssuerAndSerialNumber issuerAndSerialNumber = originator.IssuerAndSerialNumber;
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if (issuerAndSerialNumber == 0)
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{
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throw new NullReferenceException();
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}
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throw new NullReferenceException();
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}
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// Token: 0x0600A27F RID: 41599 RVA: 0x0025D938 File Offset: 0x0025BB38
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[Token(Token = "0x600A27F")]
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[Address(RVA = "0x65FB40", Offset = "0x65E540", VA = "0x18065FB40")]
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private AsymmetricKeyParameter GetPublicKeyFromOriginatorPublicKey(AsymmetricKeyParameter receiverPrivateKey, OriginatorPublicKey originatorPublicKey)
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{
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bool hasPublicKey = PrivateKeyInfoFactory.CreatePrivateKeyInfo(receiverPrivateKey).HasPublicKey;
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byte[] octets = originatorPublicKey.mPublicKey.GetOctets();
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SubjectPublicKeyInfo subjectPublicKeyInfo;
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return PublicKeyFactory.CreateKey(subjectPublicKeyInfo);
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}
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// Token: 0x0600A280 RID: 41600 RVA: 0x0025D96C File Offset: 0x0025BB6C
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[Token(Token = "0x600A280")]
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[Address(RVA = "0x65FAE0", Offset = "0x65E4E0", VA = "0x18065FAE0")]
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private AsymmetricKeyParameter GetPublicKeyFromOriginatorID(OriginatorID origID)
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{
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/*
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An exception occurred when decompiling this method (0600A280)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.AsymmetricKeyParameter BestHTTP.SecureProtocol.Org.BouncyCastle.Cms.KeyAgreeRecipientInformation::GetPublicKeyFromOriginatorID(BestHTTP.SecureProtocol.Org.BouncyCastle.Cms.OriginatorID)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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Block_0:
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stloc:CmsException(var_0_0A, newobj:CmsException(CmsException::.ctor, ldstr:string("No support for 'originator' as IssuerAndSerialNumber or SubjectKeyIdentifier")))
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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: 0x0600A281 RID: 41601 RVA: 0x0025D984 File Offset: 0x0025BB84
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[Token(Token = "0x600A281")]
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[Address(RVA = "0x65F600", Offset = "0x65E000", VA = "0x18065F600")]
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private KeyParameter CalculateAgreedWrapKey(string wrapAlg, AsymmetricKeyParameter senderPublicKey, AsymmetricKeyParameter receiverPrivateKey)
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{
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for (;;)
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{
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Asn1Object asn1Object = this.keyEncAlg.ToAsn1Object();
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string ecmqvSha1Kdf = CmsEnvelopedGenerator.ECMqvSha1Kdf;
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bool flag;
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if (!flag)
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{
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break;
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}
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Stream octetStream = this.info.ukm.GetOctetStream();
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Asn1Object asn1Object2;
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OriginatorPublicKey ephemeralPublicKey = MQVuserKeyingMaterial.GetInstance(asn1Object2).ephemeralPublicKey;
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AsymmetricKeyParameter publicKeyFromOriginatorPublicKey = this.GetPublicKeyFromOriginatorPublicKey(receiverPrivateKey, ephemeralPublicKey);
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if (publicKeyFromOriginatorPublicKey == 0)
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{
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}
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if (publicKeyFromOriginatorPublicKey != 0)
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{
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if (senderPublicKey == 0)
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{
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}
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if (senderPublicKey != 0)
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{
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if (receiverPrivateKey == 0)
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{
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}
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if (receiverPrivateKey != 0 && receiverPrivateKey != 0)
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{
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break;
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}
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}
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}
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}
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int num = 0;
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int defaultKeySize = GeneratorUtilities.GetDefaultKeySize(wrapAlg);
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num += defaultKeySize;
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byte[] array;
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return ParameterUtilities.CreateKeyParameter(wrapAlg, array);
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}
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// Token: 0x0600A282 RID: 41602 RVA: 0x0025DA1C File Offset: 0x0025BC1C
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[Token(Token = "0x600A282")]
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[Address(RVA = "0x660550", Offset = "0x65EF50", VA = "0x180660550")]
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private KeyParameter UnwrapSessionKey(string wrapAlg, KeyParameter agreedKey)
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{
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Stream octetStream = this.encryptedKey.GetOctetStream();
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IWrapper wrapper = WrapperUtilities.GetWrapper(wrapAlg);
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Stream.ReadWriteTask activeReadWriteTask = octetStream._activeReadWriteTask;
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string contentAlgorithmName = base.GetContentAlgorithmName();
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KeyParameter keyParameter;
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return keyParameter;
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}
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// Token: 0x0600A283 RID: 41603 RVA: 0x0025DA54 File Offset: 0x0025BC54
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[Token(Token = "0x600A283")]
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[Address(RVA = "0x65FD60", Offset = "0x65E760", VA = "0x18065FD60")]
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internal KeyParameter GetSessionKey(AsymmetricKeyParameter receiverPrivateKey)
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{
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Asn1SequenceParser parser = Asn1Sequence.GetInstance(this.keyEncAlg.ObjectID).Parser;
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DerObjectIdentifier derObjectIdentifier;
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string identifier = derObjectIdentifier.identifier;
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OriginatorIdentifierOrKey originator = this.info.originator;
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OriginatorPublicKey originatorPublicKey = originator.OriginatorPublicKey;
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if (originatorPublicKey != 0)
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{
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AsymmetricKeyParameter publicKeyFromOriginatorPublicKey = this.GetPublicKeyFromOriginatorPublicKey(receiverPrivateKey, originatorPublicKey);
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KeyParameter keyParameter = this.CalculateAgreedWrapKey(identifier, publicKeyFromOriginatorPublicKey, receiverPrivateKey);
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Stream octetStream = this.encryptedKey.GetOctetStream();
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IWrapper wrapper = WrapperUtilities.GetWrapper(identifier);
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Stream.ReadWriteTask activeReadWriteTask = octetStream._activeReadWriteTask;
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string contentAlgorithmName = base.GetContentAlgorithmName();
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KeyParameter keyParameter2;
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return keyParameter2;
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}
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OriginatorID originatorID = new OriginatorID();
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IssuerAndSerialNumber issuerAndSerialNumber = originator.IssuerAndSerialNumber;
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if (issuerAndSerialNumber == 0)
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{
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throw new NullReferenceException();
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}
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throw new NullReferenceException();
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}
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// Token: 0x0600A284 RID: 41604 RVA: 0x0025DBC0 File Offset: 0x0025BDC0
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[Token(Token = "0x600A284")]
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[Address(RVA = "0x65F980", Offset = "0x65E380", VA = "0x18065F980", Slot = "4")]
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public override CmsTypedStream GetContentStream(ICipherParameters key)
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{
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/*
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An exception occurred when decompiling this method (0600A284)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Cms.CmsTypedStream BestHTTP.SecureProtocol.Org.BouncyCastle.Cms.KeyAgreeRecipientInformation::GetContentStream(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_18:
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stloc:ArgumentException(var_3_27, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("KeyAgreement requires asymmetric key"), ldstr:string("key")))
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stloc:ArgumentException(var_4_37, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("Expected private key"), ldstr:string("key")))
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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: 0x04006ADE RID: 27358
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4006ADE")]
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private KeyAgreeRecipientInfo info;
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// Token: 0x04006ADF RID: 27359
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
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[Token(Token = "0x4006ADF")]
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private Asn1OctetString encryptedKey;
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}
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}
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