在调试中进行加密操作时发生错误

在调试中进行加密操作时发生错误

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在调试中进行加密操作时发生错误

本文介绍了在调试中进行加密操作时发生错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我收到以下错误.这似乎只是在我将Visual Studio 2015升级到第一次更新后才开始的.我在这里读了一些线程，这是关于机器密钥的问题?我不确定如何修复它并防止它.当前，当我使用IIS Express在调试中运行此错误时，我在本地计算机上收到此错误.

I'm getting the below error. This seems to have only started after I upgraded my visual studio 2015 to have the first update. I have read a few threads here about this being an issue with the machine key? I'm not sure how to fix it though and prevent it. Currently I'm getting this error on my local machine when I run this in debug using IIS express.

异常详细信息:System.Security.Cryptography.CryptographicException:加密操作期间发生错误. 

Cache = db.UserTokenCacheList.FirstOrDefault(c => c.webUserUniqueId == userId);

// place the entry in memory
this.Deserialize((Cache == null) ? null : MachineKey.Unprotect(Cache.cacheBits,"ADALCache"));


[CryptographicException: Error occurred during a cryptographic operation.]
   System.Web.Security.Cryptography.HomogenizingCryptoServiceWrapper.HomogenizeErrors(Func`2 func, Byte[] input) +115
   System.Web.Security.Cryptography.HomogenizingCryptoServiceWrapper.Unprotect(Byte[] protectedData) +70
   System.Web.Security.MachineKey.Unprotect(ICryptoServiceProvider cryptoServiceProvider, Byte[] protectedData, String[] purposes) +62
   System.Web.Security.MachineKey.Unprotect(Byte[] protectedData, String[] purposes) +121
   LEDES.Models.ADALTokenCache..ctor(String signedInUserId) in C:\Users\RLewis\Source\Workspaces\Workspace\LEDES\LEDES\Models\AdalTokenCache.cs:28
   LEDES.Startup.<ConfigureAuth>b__7_0(AuthorizationCodeReceivedNotification context) in C:\Users\RLewis\Source\Workspaces\Workspace\LEDES\LEDES\App_Start\Startup.Auth.cs:54
   Microsoft.Owin.Security.OpenIdConnect.<AuthenticateCoreAsync>d__1a.MoveNext() +4388
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +26
   Microsoft.Owin.Security.OpenIdConnect.<AuthenticateCoreAsync>d__1a.MoveNext() +5776
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +92
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() +28
   Microsoft.Owin.Security.Infrastructure.<BaseInitializeAsync>d__0.MoveNext() +471
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +92
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter.GetResult() +26
   Microsoft.Owin.Security.Infrastructure.<Invoke>d__0.MoveNext() +218
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +92
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter.GetResult() +26
   Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.<RunApp>d__5.MoveNext() +170
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +92
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter.GetResult() +26
   Microsoft.Owin.Security.Infrastructure.<Invoke>d__0.MoveNext() +525
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +92
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter.GetResult() +26
   Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.<RunApp>d__5.MoveNext() +170
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +92
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter.GetResult() +26
   Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.<DoFinalWork>d__2.MoveNext() +166
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +26
   Microsoft.Owin.Host.SystemWeb.Infrastructure.ErrorState.Rethrow() +26
   Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.StageAsyncResult.End(IAsyncResult ar) +81
   Microsoft.Owin.Host.SystemWeb.IntegratedPipeline.IntegratedPipelineContext.EndFinalWork(IAsyncResult ar) +30
   System.Web.AsyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +380
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155

这是发生故障的地方的代码-这是由VS在设置项目时选择Azure身份验证时生成的.

Here is the code from the where it is failing - This was generated by VS when i choose the Azure authentication when setting up the project.

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Data.Entity;
using System.Linq;
using System.Web;
using System.Web.Security;
using Microsoft.IdentityModel.Clients.ActiveDirectory;

namespace LEDES.Models
{
    public class ADALTokenCache : TokenCache
    {
        private ApplicationDbContext db = new ApplicationDbContext();
        private string userId;
        private UserTokenCache Cache;

        public ADALTokenCache(string signedInUserId)
        {
            // associate the cache to the current user of the web app
            userId = signedInUserId;
            this.AfterAccess = AfterAccessNotification;
            this.BeforeAccess = BeforeAccessNotification;
            this.BeforeWrite = BeforeWriteNotification;
            // look up the entry in the database
            Cache = db.UserTokenCacheList.FirstOrDefault(c => c.webUserUniqueId == userId);
            // place the entry in memory
            this.Deserialize((Cache == null) ? null : MachineKey.Unprotect(Cache.cacheBits,"ADALCache"));
        }

        // clean up the database
        public override void Clear()
        {
            base.Clear();
            var cacheEntry = db.UserTokenCacheList.FirstOrDefault(c => c.webUserUniqueId == userId);
            db.UserTokenCacheList.Remove(cacheEntry);
            db.SaveChanges();
        }

        // Notification raised before ADAL accesses the cache.
        // This is your chance to update the in-memory copy from the DB, if the in-memory version is stale
        void BeforeAccessNotification(TokenCacheNotificationArgs args)
        {
            if (Cache == null)
            {
                // first time access
                Cache = db.UserTokenCacheList.FirstOrDefault(c => c.webUserUniqueId == userId);
            }
            else
            {
                // retrieve last write from the DB
                var status = from e in db.UserTokenCacheList
                             where (e.webUserUniqueId == userId)
                select new
                {
                    LastWrite = e.LastWrite
                };

                // if the in-memory copy is older than the persistent copy
                if (status.First().LastWrite > Cache.LastWrite)
                {
                    // read from from storage, update in-memory copy
                    Cache = db.UserTokenCacheList.FirstOrDefault(c => c.webUserUniqueId == userId);
                }
            }
            this.Deserialize((Cache == null) ? null : MachineKey.Unprotect(Cache.cacheBits, "ADALCache"));
        }

        // Notification raised after ADAL accessed the cache.
        // If the HasStateChanged flag is set, ADAL changed the content of the cache
        void AfterAccessNotification(TokenCacheNotificationArgs args)
        {
            // if state changed
            if (this.HasStateChanged)
            {
                Cache = new UserTokenCache
                {
                    webUserUniqueId = userId,
                    cacheBits = MachineKey.Protect(this.Serialize(), "ADALCache"),
                    LastWrite = DateTime.Now
                };
                // update the DB and the lastwrite
                db.Entry(Cache).State = Cache.UserTokenCacheId == 0 ? EntityState.Added : EntityState.Modified;
                db.SaveChanges();
                this.HasStateChanged = false;
            }
        }

        void BeforeWriteNotification(TokenCacheNotificationArgs args)
        {
            // if you want to ensure that no concurrent write take place, use this notification to place a lock on the entry
        }

        public override void DeleteItem(TokenCacheItem item)
        {
            base.DeleteItem(item);
        }
    }
}

发生了来自调用堆栈的信息以及命中CryptographicEsception的点

Info from call stack and the point of hitting the CryptographicEsception occured

    System.Web.dll!System.Web.Security.Cryptography.HomogenizingCryptoServiceWrapper.HomogenizeErrors(System.Func<byte[], byte[]> func, byte[] input)   Unknown
    System.Web.dll!System.Web.Security.Cryptography.HomogenizingCryptoServiceWrapper.Unprotect(byte[] protectedData)    Unknown
    System.Web.dll!System.Web.Security.MachineKey.Unprotect(System.Web.Security.Cryptography.ICryptoServiceProvider cryptoServiceProvider, byte[] protectedData, string[] purposes) Unknown
    System.Web.dll!System.Web.Security.MachineKey.Unprotect(byte[] protectedData, string[] purposes)    Unknown
>   LEDES.dll!LEDES.Models.ADALTokenCache.ADALTokenCache(string signedInUserId) Line 28 C#
    LEDES.dll!LEDES.Startup.ConfigureAuth.AnonymousMethod__7_0(Microsoft.Owin.Security.Notifications.AuthorizationCodeReceivedNotification context) Line 54 C#
    Microsoft.Owin.Security.OpenIdConnect.dll!Microsoft.Owin.Security.OpenIdConnect.OpenIdConnectAuthenticationHandler.AuthenticateCoreAsync()  Unknown
    mscorlib.dll!System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.InvokeMoveNext(object stateMachine)  Unknown
    mscorlib.dll!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx)   Unknown
    mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx)   Unknown
    mscorlib.dll!System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()    Unknown
    mscorlib.dll!System.Threading.Tasks.AwaitTaskContinuation.InvokeAction(object state)    Unknown
    mscorlib.dll!System.Threading.Tasks.AwaitTaskContinuation.RunCallback(System.Threading.ContextCallback callback, object state, ref System.Threading.Tasks.Task currentTask) Unknown
    mscorlib.dll!System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run(System.Threading.Tasks.Task task, bool canInlineContinuationTask)   Unknown
    mscorlib.dll!System.Threading.Tasks.Task.FinishContinuations()  Unknown
    mscorlib.dll!System.Threading.Tasks.Task.FinishStageThree() Unknown
    mscorlib.dll!System.Threading.Tasks.Task<System.__Canon>.TrySetResult(System.__Canon result)    Unknown
    mscorlib.dll!System.Runtime.CompilerServices.AsyncTaskMethodBuilder<Microsoft.Owin.IFormCollection>.SetResult(Microsoft.Owin.IFormCollection result)    Unknown
    Microsoft.Owin.dll!Microsoft.Owin.OwinRequest.ReadFormAsync()   Unknown
    mscorlib.dll!System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.InvokeMoveNext(object stateMachine)  Unknown
    mscorlib.dll!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx)   Unknown
    mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx)   Unknown
    mscorlib.dll!System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()    Unknown
    mscorlib.dll!System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation..cctor.AnonymousMethod__8_0(object state)   Unknown
    System.Web.dll!System.Web.AspNetSynchronizationContext.Post.AnonymousMethod__0()    Unknown
    System.Web.dll!System.Web.Util.SynchronizationHelper.SafeWrapCallback(System.Action action) Unknown
    System.Web.dll!System.Web.Util.SynchronizationHelper.QueueAsynchronous.AnonymousMethod__0(System.Threading.Tasks.Task _)    Unknown
    mscorlib.dll!System.Threading.Tasks.ContinuationTaskFromTask.InnerInvoke()  Unknown
    mscorlib.dll!System.Threading.Tasks.Task.Execute()  Unknown
    mscorlib.dll!System.Threading.Tasks.Task.ExecutionContextCallback(object obj)   Unknown
    mscorlib.dll!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx)   Unknown
    mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx)   Unknown
    mscorlib.dll!System.Threading.Tasks.Task.ExecuteWithThreadLocal(ref System.Threading.Tasks.Task currentTaskSlot)    Unknown
    mscorlib.dll!System.Threading.Tasks.Task.ExecuteEntry(bool bPreventDoubleExecution) Unknown
    mscorlib.dll!System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() Unknown
    mscorlib.dll!System.Threading.ThreadPoolWorkQueue.Dispatch()    Unknown
    mscorlib.dll!System.Threading._ThreadPoolWaitCallback.PerformWaitCallback() Unknown
    [Native to Managed Transition]

推荐答案

找到了解决方案.

错误来自的代码部分是AdalToken.Cache.cs文件.

The section of code the error was coming from is the AdalToken.Cache.cs file.

userId = signedInUserId;
this.AfterAccess = AfterAccessNotification;
this.BeforeAccess = BeforeAccessNotification;
this.BeforeWrite = BeforeWriteNotification;
// look up the entry in the database
Cache = db.UserTokenCacheList.FirstOrDefault(c => c.webUserUniqueId == userId);
// place the entry in memory
this.Deserialize((Cache == null) ? null : MachineKey.Unprotect(Cache.cacheBits,"ADALCache"));

特别是最后一行.

与db.UserTokenCacheList的上下文也相关:

Also relevant is the context for the db.UserTokenCacheList which is:

{
    public class ApplicationDbContext : DbContext
    {
        public ApplicationDbContext()
            : base("DefaultConnection")
        {
        }

        public DbSet<UserTokenCache> UserTokenCacheList { get; set; }
    }

    public class UserTokenCache
    {
        [Key]
        public int UserTokenCacheId { get; set; }
        public string webUserUniqueId { get; set; }
        public byte[] cacheBits { get; set; }
        public DateTime LastWrite { get; set; }
    }
}

所有这些都是由Visual Studio在启动此新项目时经历用于设置Azure身份验证的向导时生成的.

All of this was generated by visual studio when I went through the wizard for setting up Azure authentication when I started this new project.

关于ApplicationDbContext中的 base("DefaultConnection") .

Regarding the base("DefaultConnection") in the ApplicationDbContext.

在我的web.config中没有为此输入的条目，但是直到最近这一直有效.

There was no entry for this in my web.config, however up until recently this has always worked.

在web.config中的<connectionStrings>我为DefaultConnection添加了一行以指向我的数据库，现在，至少在目前，它可以正常工作.

In the web.config, within the < connectionStrings > I added a line for DefaultConnection to point at my database and now it all works, at least for now.

希望这对遇到相同错误的人有所帮助.

Hope this may be of help to anyone who gets the same error.

这篇关于在调试中进行加密操作时发生错误的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！

09-03 02:25
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