/**
* Decrypt master password
*
* @param pw the password to decrypt
* @return the decrypted password
* @throws MasterPasswordUnavailableException if decryption fails
*/
private static String decryptPassword(byte[] pw) throws MasterPasswordUnavailableException {
assert SystemInfo.isWindows;
try {
return new String(WindowsCryptUtils.unprotect(pw), "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException("UTF-8 not available", e);
}
}
/**
* Encrypt master password
*
* @param pw the password to encrypt
* @return the encrypted password
* @throws MasterPasswordUnavailableException if encryption fails
*/
private static byte[] encryptPassword(String pw) throws MasterPasswordUnavailableException {
assert SystemInfo.isWindows;
return WindowsCryptUtils.protect(EncryptionUtil.getUTF8Bytes(pw));
}