Documentation RSA

Forge JavaScript crypto library:

Example:

<script type="text/javascript" src="js/util.js"></script>
<script type="text/javascript" src="js/sha1.js"></script>
<script type="text/javascript" src="js/prng.js"></script>
<script type="text/javascript" src="js/random.js"></script>
<script type="text/javascript" src="js/aes.js"></script>
<script type="text/javascript" src="js/jsbn.js"></script>
<script type="text/javascript" src="js/oids.js"></script>
<script type="text/javascript" src="js/asn1.js"></script>
<script type="text/javascript" src="js/rsa.js"></script>
<script type="text/javascript" src="js/pki.js"></script>
<script type="text/javascript">

   /*** Generating 1024-bit key-pair */
   keys = forge.pki.rsa.generateKeyPair(1024);
   
   
   /*** public key encryption */  
   var utf8 = forge.util.encodeUtf8("plaintext");
   var ciphertext = keys.publicKey.encrypt(utf8);	
   
   
   /*** private key decryption */
   var decrypted = keys.privateKey.decrypt(ciphertext);
   var plaintext = forge.util.decodeUtf8(decrypted);
   
</script>

Creating a certificate (and signing/verifying):

nodejs-create-cert.js

Creating and encrypting/decrypting a PKCS8 private key:

nodejs-pkcs8.js

Creating a certificate and connecting a TLS client to a TLS server:

nodejs-tls.js