cryptographicexception

“Error occurred during a cryptographic operation” when decrypting Forms cookie

由 不羁岁月 提交于 2019-11-27 13:39:49
问题 I've uploaded my website to a webhosting and this error came up; ' Error occurred during a cryptographic operation .'. I've done some research and it seems that the formauthenticated cookie is bound to the MachineKey (which differs when using webhost). I've found a method that should fix this problem but the error remains. CODE: /// <summary> /// This method removes a cookie if the machine key is different than the one that saved the cookie; /// </summary> protected void Application_Error

CryptographicException was unhandled: System cannot find the specified file

由 天涯浪子 提交于 2019-11-27 00:05:44
问题 I am trying to embrace the mysteries of SSL communication and have found a great tutorial on this site. I was trying to test my own certificate. Using Visual Studio 2012, I simply added an existing file (my certificate in .pfx format) and then changed the "certificate" and "password" settings in app.config. However, when trying to run it, I got an error: CryptographicException was unhandled: System cannot find the specified file Then, I tried the same in my Web Service. There I got some more

CryptographicException: Padding is invalid and cannot be removed and Validation of viewstate MAC failed

由 ≯℡__Kan透↙ 提交于 2019-11-26 13:29:09
Monitoring my global exception logs this error seems to be impossible to remove no matter what I do, I thought I finally got rid of it but it's back again. You can see a strack trace of the error on a similar post here . Notes about the environment: IIS 6.0, .NET 3.5 SP1 single server ASP.NET application Steps already taken: <system.web> <machineKey validationKey="big encryption key" decryptionKey="big decryption key" validation="SHA1" decryption="AES" /> In my Page Base for all of my pages protected override void OnInit(EventArgs e) { const string viewStateKey = "big key value"; Page

CryptographicException: Padding is invalid and cannot be removed and Validation of viewstate MAC failed

由 不想你离开。 提交于 2019-11-26 03:41:50
问题 Monitoring my global exception logs this error seems to be impossible to remove no matter what I do, I thought I finally got rid of it but it\'s back again. You can see a strack trace of the error on a similar post here. Notes about the environment: IIS 6.0, .NET 3.5 SP1 single server ASP.NET application Steps already taken: <system.web> <machineKey validationKey=\"big encryption key\" decryptionKey=\"big decryption key\" validation=\"SHA1\" decryption=\"AES\" /> In my Page Base for all of my
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