Invalid length for a base-64 char array while decrypting software

Getting an invalid invalid length for a base 64 char array. Invalid length for a base64 char array when decrypting a. Jun 28, 2012 hi, i suspect the reason is viewstate has been tampered in client side conflict with custom controls added in a page. Free source code and tutorials for software developers and architects updated. Invalid length for a base64 char array during decodingdecryption. Cryptoapi decrypt invalid length for a base64 char. It is received when your isps mailserver sends an invalid authentication response. I am using viewstate to maintain the checkstate of checkboxes in a paging enabled gridview which is populated using a stored procedure. Invalid length for a base64 char array solutions experts. Invalid length for a base 64 char array invalid length for a base 64 char array i am encrypting and decrypting my querystring. Try turning on view state debug, or see how long it actually is. Invalid length for a base64 char array error during. The invalid length exception might be caused by a too long view state.

For the case where the viewstate exception has inner exception invalid length for a base 64 char array or string disable the postback for the control on the page in order to avoid storing a lot of data in the viewstate. Feb 27, 2016 tech support scams are an industrywide issue where scammers trick you into paying for unnecessary technical support services. When i mess with the querystring, shorten it for example, my decryption method fails. Mime additionally enforces a line length of 76 characters plus the crlf. Probably caused by the string youre passing to the constructor dskgjhgkjgkjgg which looks like an invalid base64 string. I get the following exception in some cases through decryption, and i cant recognize exactly the reason. I kept getting an invalid invalid length for a base64 char array. Base64 is the encryption format used by browsers when. One solution is to do a string replace on the querystring, and replace all. Base64encoded data takes about 33% more space than the original data. I checked image gallery and it appears to be working perfectly. Thanks to automagically linking related posts to each other, i think i may have found a potential solution to this issue here.

Solved invalid length for a base64 char array or string codeproject. Invalid length for a base64 char array how do i check. Cryptoapi decrypt invalid length for a base64 char array. Password is getting encrypted successfully, but while decrypting it gives me cryptographic exception length of the data to decrypt is invalid. Base64 is used to prevent data from being modified while in transit through. The length of a base64 encoded string is always a multiple of 4. Then an email is send, with an activation link with parameter the encrypted string.

The trade off here is that you get instant image loading in exchange for inflating your page size slightly. You may encounter invalid length for a base64 char array error when encryptingdecrypting a string in your application. You could decode those values to end up with the original base64 value that you could then convert back to a byte array. The state information is invalid for this page and might be corrupted.

Invalid length for a base64 char array or string in decryption. If it is not then it doesnt have enough bits to fill every byte and youll get this exception. For the case where the viewstate exception has inner exception invalid length for a base64 char array or string disable the postback for the control on the page in order to avoid storing a lot of data in the viewstate. Find answers to invalid length for a base64 char array from the expert community at experts exchange. I am trying to verify a login attempt with a sha512 password stored in a database.

Getting an invalid invalid length for a base64 char array. I kept getting an invalid invalid length for a base 64 char array. The only problem is what if the user tampers with the querystring or only cut and pastes a portion of the querystring in the address bar. Find answers to invalid length for a base 64 char array from the expert community at experts exchange. Using the base64 system isnt as archaic as you might think. Invalid length for a base64 char array invalid length for a base64 char array i am encrypting and decrypting my querystring. Refer to the below forum posts where the same has been discussed. Invalid length for a base64 char array i am encrypting and decrypting my querystring. To solve the problems you need to fist encode and then decode the all ready encodebase64 string, depend from where you using it. Each 6bit group indexes into an array of the 64 printable characters. Solved length of the data to decrypt is invalid codeproject. Cryptoapi decrypt invalid length for a base64 char array or string. Your email software base64encodes the image and inserts the equivalent.

The base64 encryption algorithm used should already have added this filler while encrypting. Invalid length for a base64 char array error during decryption of. Here i will explain how to solve the problem invalid length for a base64 char array during decrypt of encrypted password using. Invalid length for a base64 char array during decoding 2. Error invalid length for a base64 char array while decrypting. I need a way of checking the querystrings length before i decrypt it. If it is not a multiple of 4, then characters are appended until it is. Can somebody help me with the if statement please to check the length of the urldecode string.

Invalid length for a base64 char array error never too old. For a string to be a valid base64 string, its length must have a multiple of 4. Dec 29, 2009 getting an invalid invalid length for a base64 char array. Invalid length for a base64 char array stack overflow. I encrypt and decrypt my querystring and it works great. An unhandled exception was generated during the execution of the current web request. So the length of the string, multiplied by 6, must be divisible by 8. I need a way of checking the querystrings length before i. C program to accept n strings from user and store it in a char array. Hi, i suspect the reason is viewstate has been tampered in client side conflict with custom controls added in a page. Oct 14, 2010 you may encounter invalid length for a base 64 char array error when encrypting decrypting a string in your application. Thomas sun microsoft online community support please remember to click mark as answer on the post that helps you, and to click unmark as answer if a marked post does not actually answer your question. How to encrypt and decrypt username,password and store in sql.

Invalid length for a base64 char array or string above exception is coming in below code. The viewstate is encrypted, and when an attempt is made to decrypt it on postback, the error. Invalid length for a base64 char array while decryption. You can help protect yourself from scammers by verifying that the contact is a microsoft agent or microsoft employee and that the phone number is an official microsoft global customer service number. Solved invalid length for a base64 char array or string. Invalid length for a base64 char array expertsexchange. I am using the methods in this blog post and doing pretty much exactly as he did when i am verifying the password, this line in his verifyhash code is throwing the exception invalid length for a base 64 char array or string. Frombase64charptrchar inputptr, int32 inputlength at system. Tobase64string doesnt provide a urlsafe approach, but you can easily just use replace on the result. Tech support scams are an industrywide issue where scammers trick you into paying for unnecessary technical support services.

Thomas sun microsoft online community support please remember to click mark as answer on the post that helps you, and to click unmark as answer if a. Invalid length for a base64 char array error gallery. Find answers to invalid length for a base64 char array why did this happen. I am using the methods in this blog post and doing pretty much exactly as he did when i am verifying the password, this line in his verifyhash code is throwing the exception invalid. However, since you havent told us which api youre using, theres no way to know what that parameter is supposed to be.