Examples with Command org.nhindirect.common.tooling.Command used on opensource projects

Example 11 with Command

use of org.nhindirect.common.tooling.Command in project nhin-d by DirectProject.

the class PKCS11Commands method testKeyUnwrap.

@Command(name = "TestKeyUnwrap", usage = UNWRAP_KEY)
public void testKeyUnwrap(String[] args) {
    final String wrapperAlias = StringArrayUtil.getRequiredValue(args, 0);
    final String file = StringArrayUtil.getRequiredValue(args, 1);
    try {
        final byte[] wrappedData = FileUtils.readFileToByteArray(new File(file));
        final KeyStore ks = mgr.getKS();
        // get the wrapper key
        final Key wrapperKey = mgr.getKey(wrapperAlias);
        if (wrapperKey == null) {
            System.out.println("Wrapper key with name " + wrapperKey + " does not exist.");
            return;
        }
        if (wrapperKey.getAlgorithm().startsWith("AES")) {
            final IvParameterSpec iv = new IvParameterSpec(AbstractPKCS11TokenKeyStoreProtectionManager.IV_BYTES);
            final Cipher unwrapCipher = Cipher.getInstance("AES/CBC/PKCS5Padding", ks.getProvider().getName());
            unwrapCipher.init(Cipher.UNWRAP_MODE, wrapperKey, iv);
            final Key unwrappedKey = unwrapCipher.unwrap(wrappedData, "RSA", Cipher.PRIVATE_KEY);
            System.out.println("Succesfully unwrapped private key.  Private key class: " + unwrappedKey.getClass().getName());
        } else {
            System.out.println("Wrapper key must be an AES key.");
        }
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Failed to unwrap private key: " + e.getMessage());
    }
}