title: Encrypt decrypt the text, compatible to all mobile platforms and wcf services
body: <p>I want to encrypt a parameter(which consist of sensitive data) while sending to server(WCF Service) using SHA1 algorithm, On server end I'll decrypt the string and use it.</p>
  
  <blockquote>
    <p>This way i can ensure any third party won't read my sensitive data so easily.</p>
  </blockquote>
  
  <p>How do I encrypt the string in windows phone 7 using SHA1 algorithm and decrypt the same in my WCF service.</p>
  
  <blockquote>
    <p>Encrypted string may come to server from iPhone, android or WP7; How do I ensure that every client will produce the same result in server.</p>
  </blockquote>
  
  <h2>Update:</h2>
  
  <p>Can I use AES algorithm for above requirement? </p>