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## js-php-encrypt.md

      
        
          
            
              
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                paragonie-scott
                / js-php-encrypt.md
            
            
              Last active
              September 14, 2022 22:04
            
              
                String Encryption in JavaScript and PHP
              
          
        
      
        
  
      
    Just for fun, let's encrypt some stuff in client-side JavaScript and have a PHP server decrypt it. Note that this will never replace TLS (HTTPS).
JavaScript Encryption with Sodium-Plus

You'll want the latest release of sodium-plus for this. (As of this writing, it's version 0.4.0.)
<script
  src="/static/js/sodium-plus.min.js"
 integrity="sha384-lv7SVE0eb0bXA3fgK6PwlhViiUwG6tBuMAhS8XX7RvBvyRcdEdJ8HKtFgs4vHTUh"