@Command(name = "CreateUserSecretKey", usage = ADD_USER_SECRET_KEY)
public void addUserSecretKey(String[] args) {
final String keyName = StringArrayUtil.getRequiredValue(args, 0);
final String keyText = StringArrayUtil.getRequiredValue(args, 1);
try {
byte[] key = keyText.getBytes("UTF-8");
MessageDigest sha = MessageDigest.getInstance("SHA-1");
key = sha.digest(key);
key = Arrays.copyOf(key, 16); // use only first 128 bit
mgr.clearKey(keyName);
mgr.setKey(keyName, new SecretKeySpec(key, "AES"));
} catch (Exception e) {
System.err.println("Failed to add new random secret key: " + e.getMessage());
e.printStackTrace();
}
}
@Command(name = "RemoveSecretKey", usage = REMOVE_SECRET_KEY)
public void removeSecretKey(String[] args) {
String keyName = StringArrayUtil.getRequiredValue(args, 0);
// remove secret key
try {
mgr.clearKey(keyName);
} catch (Exception e) {
System.err.println("Failed to add new random secret key: " + e.getMessage());
}
}
@Command(name = "CreateRandomSecretKey", usage = ADD_RANDOM_SECRET_KEY)
public void addRandomSecretKey(String[] args) {
final String keyName = StringArrayUtil.getRequiredValue(args, 0);
// generate a new random secret key
try {
final KeyGenerator keyGen = KeyGenerator.getInstance("AES");
final SecureRandom random = new SecureRandom(); // cryptograph. secure random
keyGen.init(random);
final SecretKey key = keyGen.generateKey();
mgr.clearKey(keyName);
mgr.setKey(keyName, key);
} catch (Exception e) {
System.err.println("Failed to add new random secret key: " + e.getMessage());
e.printStackTrace();
}
}