HI All,<BR><BR>I am making one asp web application and as i am passing lots of parameter thought the URL address and I afraid somebody might be misuse the same bye simply changing parameter value. I this context I wanted to encrypt all parameter passed during application process.... yes I need decrypt solution too. <BR><BR>For password I am using RC4 method. But if I try to apply same then it’s taking much time to process. Please help me in this regard...<BR><BR>Thanks in advance.