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Asked: 2026-05-28T07:11:18+00:00

I need to communicate Encrypted data between my Erlang/OTP Web Server and JavaScript. I

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I need to communicate Encrypted data between my Erlang/OTP Web Server and JavaScript. I have checked out Crypto-js.js Library. I would like to encrypt my data using DES in CBC Mode.

Problem is, on the library site, there is no example showing how to do this. Anyone has an Example, please help. Thanks.

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1 Answer

  1. Editorial Team

    Found it !

    <script type="text/javascript" src="http://crypto-js.googlecode.com/files/2.5.3-crypto-sha1-hmac-pbkdf2-blockmodes-DES.js"></script>
<script type="text/javascript">

// CBC with default padding scheme (iso7816)
var crypted = Crypto.DES.encrypt("Message", "Secret Passphrase", { mode: new Crypto.mode.CBC });
var plain = Crypto.DES.decrypt(crypted, "Secret Passphrase", { mode: new Crypto.mode.CBC });

// CBC with ansix923 padding scheme
var crypted = Crypto.DES.encrypt("Message", "Secret Passphrase", { mode: new Crypto.mode.CBC(Crypto.pad.ansix923) });
var plain = Crypto.DES.decrypt(crypted, "Secret Passphrase", { mode: new Crypto.mode.CBC(Crypto.pad.ansix923) });

</script>
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