title: What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
body: <p>I don't get the Base64 encryption.</p>
  
  <p>If one can decrypt a Base64 string, what is it's purpose?</p>
  
  <p>Why is it being used for HTTP Basic auth?</p>
  
  <p>It's like telling to someone my password is reversed into OLLEH.</p>
  
  <p>People seeing OLLEH will know the original password was HELLO.</p>