How to use the aes function from node-forge

keyczar.js

GitHub: mitro-co/keyczarjs

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var key = keyczar_util.decodeBase64Url(data.key);

var derivedKey = _deriveKey(password, salt, data.iterationCount);

// decrypt the key with the derived key
var cipher = forge.aes.startDecrypting(derivedKey, iv, null);
cipher.update(new forge.util.ByteBuffer(key));
var success = cipher.finish();
if (!success) {
    throw new Error(PBE_DECRYPT_FAILED_MESSAGE);

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+ 3 other calls in file

keyczar.js

GitHub: y-kkky/dotfiles

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var iterationCount = _DEFAULT_ITERATIONS;
var salt = forge.random.getBytes(_SALT_BYTES);
var derivedKey = _deriveKey(password, salt, iterationCount);

var iv = forge.random.getBytes(_PBE_AES_KEY_BYTES);
var cipher = forge.aes.startEncrypting(derivedKey, iv, null);
cipher.update(new forge.util.ByteBuffer(keyString));
var success = cipher.finish();
if (!success) {
    throw new Error('AES encryption failed');

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keyczar_util.js

GitHub: y-kkky/dotfiles

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    return keyczar_util._aesFromBytes(keyBytes, hmacBytes);
};


keyczar_util._aesFromBytes = function(keyBytes, hmacBytes) {
    var aesObject = forge.aes.createEncryptionCipher(keyBytes);
    var mdObject = forge.md.sha1.create();
    var hmacObject = forge.hmac.create();
    hmacObject.start(mdObject, hmacBytes);

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+ 5 other calls in file