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POAES-256-CBC with Digest from Ruby to NodeJS
 

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    <p>I am hoping someone can shed some light on a problem that has been vexing me for the last few hours.</p> <p>I am trying to decode a string that has been encoded in Ruby thus:</p> <pre><code>#!/usr/bin/env ruby require 'base64' require 'openssl' require 'openssl/cipher' require 'openssl/digest' aes = OpenSSL::Cipher::Cipher.new('aes-256-cbc') aes.encrypt aes.key = Digest::SHA256.digest('IHazSekretKey') p Base64.encode64( aes.update('text to be encrypted') &lt;&lt; aes.final ) </code></pre> <p>Executing the above spits out: "3P86KyOrN2QJ/HFxxo3b7kAsxTgpDMMjROUPclsuXj0=\n"</p> <p>I now try to decrypt this string in NodeJS 0.6.17</p> <pre><code>#!/usr/bin/env node var crypto = require('crypto'); function decrypto(toDecryptStr) { var result, encoded = new Buffer(toDecryptStr, 'base64'), decodeKey = crypto.createHash('sha256').update('IHazSekretKey', 'ascii').digest(), decipher = crypto.createDecipher('aes-256-cbc', decodeKey); result = decipher.update(encoded); result += decipher.final(); return result; }; console.log(decrypto('3P86KyOrN2QJ/HFxxo3b7kAsxTgpDMMjROUPclsuXj0=')); console.log(decrypto('3P86KyOrN2QJ/HFxxo3b7kAsxTgpDMMjROUPclsuXj0=\n') </code></pre> <p>The second script yields:</p> <pre><code>nazar@xfce:~/tmp/tst$ ./js_decrypt Å'{ H£V)ÜB Å'{ H£V)ÜB </code></pre> <p>Any help would be very much appreciated as my only remaining option now is to drown myself in a barrel of [Jamerson || Kirin Ichiban] (I'm only kidding)</p> <p>PS there is a similar question on SO <a href="https://stackoverflow.com/questions/7192401/encrypting-data-with-ruby-decrypting-with-node">here</a>, which sadly hasn't yielded any inspiration for my case.</p>
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    1. COBetween node.js bugs regarding using base64 and incomplete documentation that refers to things that don't exist in stable, I give up. Pass the bottle please. Btw your origKey also seems to be different in the ruby and node, but that could be because I'm converting to base64 to check and that apparently has a bug. :-S
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    2. COPassing you the bottle shortly @Gerry.... I'm going to have another crack at this.
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