RSA Encryption/Decryption in ASP.Net not working on Production

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ASP.NET

encryption

Hi,

I have javascript functions to encrypt data on one site and code-behind functions to decrypt it on another site. It works fine when I test it locally, or on a testing server. However it gives me a 'Bad Length' error on a production server.

Also in the javascript, I am checking if the data (user input from input control type=text) is null string or not (if str == null and str == '' then display a message) before encrypting, but it does not work on the production. (Does not give the message and proceed to the encryption part). I wonder if the data (string) is treated differently between the testing server and the production server. (Sounds crazy though...)

Does anyone have any idea?