W3C XML Encryption implementation for node.js (http://www.w3.org/TR/xmlenc-core/)

Usage

npm install xml-encryption

encrypt

var xmlenc = require('xmlenc');

var options = {
  rsa_pub: fs.readFileSync(__dirname + '/your_rsa.pub'),
  pem: fs.readFileSync(__dirname + '/your_public_cert.pem'),
  encryptionAlgorithm: 'http://www.w3.org/2001/04/xmlenc#aes256-cbc',
  keyEncryptionAlgorighm: 'http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p'
};

xmlenc.encrypt('content to encrypt', options, function(err, result) {
    console.log(result);
}

Result:

<xenc:EncryptedData Type="http://www.w3.org/2001/04/xmlenc#Element" xmlns:xenc="http://www.w3.org/2001/04/xmlenc#">
  <xenc:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes-256-cbc" />
    <KeyInfo xmlns="http://www.w3.org/2000/09/xmldsig#">
      <e:EncryptedKey xmlns:e="http://www.w3.org/2001/04/xmlenc#">
        <e:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p">
          <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
        </e:EncryptionMethod>
        <KeyInfo>
          <X509Data><X509Certificate>MIIEDzCCAveg... base64 cert... q3uaLvlAUo=</X509Certificate></X509Data>
        </KeyInfo>
        <e:CipherData>
          <e:CipherValue>sGH0hhzkjmLWYYY0gyQMampDM... encrypted symmetric key ...gewHMbtZafk1MHh9A==</e:CipherValue>
        </e:CipherData>
      </e:EncryptedKey>
    </KeyInfo>
    <xenc:CipherData>
        <xenc:CipherValue>V3Vb1vDl055Lp92zvK..... encrypted content.... kNzP6xTu7/L9EMAeU</xenc:CipherValue>
    </xenc:CipherData>
</xenc:EncryptedData>

decrypt

var options = {
    key: fs.readFileSync(__dirname + '/your_private_key.key'),
};

xmlenc.decrypt('<xenc:EncryptedData ..... </xenc:EncryptedData>', options, function(err, result) {
    console.log(result);
}

// result

decrypted content

Supported algorithms

Currently the library supports:

• EncryptedKey to transport symmetric key using:

  • http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p
  • http://www.w3.org/2001/04/xmlenc#rsa-1_5

• EncryptedData using:

  • http://www.w3.org/2001/04/xmlenc#aes128-cbc
  • http://www.w3.org/2001/04/xmlenc#aes256-cbc
  • http://www.w3.org/2001/04/xmlenc#tripledes-cbc

However, you can fork and implement your own algorithm. The code supports adding more algorithms easily

Issue Reporting

If you have found a bug or if you have a feature request, please report them at this repository issues section. Please do not report security vulnerabilities on the public GitHub issue tracker. The Responsible Disclosure Program details the procedure for disclosing security issues.

Author

Auth0

License

This project is licensed under the MIT license. See the LICENSE file for more info.