Error unprotecting the session cookie.The payload was invalid.

 .Net Core 3.0

复制代码
warn: Microsoft.AspNetCore.Session.SessionMiddleware[7]
      Error unprotecting the session cookie.
System.Security.Cryptography.CryptographicException: The payload was invalid.
   at Microsoft.AspNetCore.DataProtection.Cng.CbcAuthenticatedEncryptor.DecryptImpl(Byte* pbCiphertext, UInt32 cbCiphertext, Byte* pbAdditionalAuthenticatedData, UInt32 cbAdditionalAuthenticatedData)
   at Microsoft.AspNetCore.DataProtection.Cng.Internal.CngAuthenticatedEncryptorBase.Decrypt(ArraySegment`1 ciphertext, ArraySegment`1 additionalAuthenticatedData)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.UnprotectCore(Byte[] protectedData, Boolean allowOperationsOnRevokedKeys, UnprotectStatus& status)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.DangerousUnprotect(Byte[] protectedData, Boolean ignoreRevocationErrors, Boolean& requiresMigration, Boolean& wasRevoked)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Unprotect(Byte[] protectedData)
   at Microsoft.AspNetCore.Session.CookieProtection.Unprotect(IDataProtector protector, String protectedText, ILogger logger)
复制代码

漏加了 services.AddDataProtection()

复制代码
public void ConfigureServices(IServiceCollection services)
{

    services.AddSession(); 
    services.AddDataProtection().PersistKeysToFileSystem(new DirectoryInfo(Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar + "DataProtection"));
    
    services.AddRazorPages().AddRazorRuntimeCompilation();
    services.AddControllersWithViews(); 
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{ 
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }
    else
    {
        app.UseExceptionHandler("/Home/Error");
        app.UseStatusCodePagesWithReExecute("/Home/Error");
    }

    app.UseSession(); 
}
复制代码

 

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