/**
* Method decrypts the data with the RSA private key corresponding to this certificate (which was
* used to encrypt it). Decryption will be done with keystore
*
* @param data data to be decrypted.
* @param token index of authentication token
* @param pin PIN code
* @return decrypted data.
* @throws DigiDocException for all decryption errors
*/
public byte[] decrypt(byte[] data, int token, String pin) throws DigiDocException {
try {
if (m_keyStore == null)
throw new DigiDocException(
DigiDocException.ERR_NOT_INITED, "Keystore not initialized", null);
String alias = getTokenName(token);
if (alias == null)
throw new DigiDocException(
DigiDocException.ERR_TOKEN_LOGIN, "Invalid token nr: " + token, null);
// get key
if (m_logger.isDebugEnabled())
m_logger.debug(
"loading key: " + alias + " passwd-len: " + ((pin != null) ? pin.length() : 0));
Key key = m_keyStore.getKey(alias, pin.toCharArray());
if (m_logger.isDebugEnabled())
m_logger.debug("Key: " + ((key != null) ? "OK, algorithm: " + key.getAlgorithm() : "NULL"));
if (key == null)
throw new DigiDocException(
DigiDocException.ERR_TOKEN_LOGIN, "Invalid password for token: " + alias, null);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.DECRYPT_MODE, key);
byte[] decdata = cipher.doFinal(data);
if (m_logger.isDebugEnabled())
m_logger.debug("Decrypted len: " + ((decdata != null) ? decdata.length : 0));
return decdata;
} catch (Exception ex) {
m_logger.error("Error decrypting: " + ex);
}
return null;
}
void assertPrivateKs(File file, String pass, String alias) throws Exception {
KeyStore ks = loadKeyStore("jceks", file, alias);
List aliases = ListUtil.fromIterator(new EnumerationIterator(ks.aliases()));
assertEquals(2, aliases.size());
Certificate cert = ks.getCertificate(alias + ".crt");
assertNotNull(cert);
assertEquals("X.509", cert.getType());
assertTrue(ks.isKeyEntry(alias + ".key"));
assertTrue(ks.isCertificateEntry(alias + ".crt"));
Key key = ks.getKey(alias + ".key", pass.toCharArray());
assertNotNull(key);
assertEquals("RSA", key.getAlgorithm());
}
/**
* Initialisation if a supplied key is defined in the properties. This supplied key must be in a
* keystore which can be generated using the keystoreGenerator file in demos. The keystore must be
* on the classpath to find it.
*
* @throws KeyStoreException
* @throws Exception
* @throws IOException
* @throws NoSuchAlgorithmException
* @throws CertificateException
* @throws UnrecoverableKeyException
*/
private void initConfiguredKey() throws Exception {
InputStream inputStream = null;
// must not use default keystore type - as does not support secret keys
KeyStore store = KeyStore.getInstance("JCEKS");
SecretKey tempKey = null;
try {
// load in keystore using this thread's classloader
inputStream =
Thread.currentThread().getContextClassLoader().getResourceAsStream(keyStoreName);
if (inputStream == null) inputStream = new FileInputStream(keyStoreName);
// we can't find a keystore here -
if (inputStream == null) {
throw new Exception(
"Unable to load keystore " + keyStoreName + " ensure file is on classpath");
}
// we have located a file lets load the keystore
try {
store.load(inputStream, storePassword.toCharArray());
// loaded keystore - get the key
tempKey = (SecretKey) store.getKey(alias, keyPassword.toCharArray());
} catch (IOException e) {
throw new Exception("Unable to load keystore " + keyStoreName + ": " + e);
} catch (NoSuchAlgorithmException e) {
throw new Exception("No Such algorithm " + keyStoreName + ": " + e);
} catch (CertificateException e) {
throw new Exception("Certificate exception " + keyStoreName + ": " + e);
}
if (tempKey == null)
throw new Exception("Unable to retrieve key '" + alias + "' from keystore " + keyStoreName);
// set the key here
setSecretKey(tempKey);
if (symAlgorithm.equals(DEFAULT_SYM_ALGO)) symAlgorithm = tempKey.getAlgorithm();
// set the fact we are using a supplied key
suppliedKey = true;
queue_down = queue_up = false;
} finally {
Util.close(inputStream);
}
}
public void main(Provider p) throws Exception {
/*
* Use Solaris SPARC 11.2 or later to avoid an intermittent failure
* when running SunPKCS11-Solaris (8044554)
*/
if (p.getName().equals("SunPKCS11-Solaris")
&& System.getProperty("os.name").equals("SunOS")
&& System.getProperty("os.arch").equals("sparcv9")
&& System.getProperty("os.version").compareTo("5.11") <= 0
&& getDistro().compareTo("11.2") < 0) {
System.out.println(
"SunPKCS11-Solaris provider requires " + "Solaris SPARC 11.2 or later, skipping");
return;
}
long start = System.currentTimeMillis();
provider = p;
data = new byte[2048];
new Random().nextBytes(data);
KeyStore ks = getKeyStore();
KeyFactory kf = KeyFactory.getInstance("RSA", provider);
for (Enumeration e = ks.aliases(); e.hasMoreElements(); ) {
String alias = (String) e.nextElement();
if (ks.isKeyEntry(alias)) {
System.out.println("* Key " + alias + "...");
PrivateKey privateKey = (PrivateKey) ks.getKey(alias, password);
PublicKey publicKey = ks.getCertificate(alias).getPublicKey();
privateKey = (PrivateKey) kf.translateKey(privateKey);
publicKey = (PublicKey) kf.translateKey(publicKey);
test(privateKey, publicKey);
}
}
long stop = System.currentTimeMillis();
System.out.println("All tests passed (" + (stop - start) + " ms).");
}
/**
* Method returns a digital signature. It finds the RSA private key object from the active token
* and then signs the given data with this key and RSA mechanism.
*
* @param digest digest of the data to be signed.
* @param token token index
* @param passwd users pin code or in case of pkcs12 file password
* @param sig Signature object to provide info about desired signature method
* @return an array of bytes containing digital signature.
* @throws DigiDocException if signing the data fails.
*/
public byte[] sign(byte[] xml, int token, String passwd, Signature sig) throws DigiDocException {
try {
if (m_keyStore == null)
throw new DigiDocException(
DigiDocException.ERR_NOT_INITED, "Keystore not initialized", null);
String alias = getTokenName(token);
if (alias == null)
throw new DigiDocException(
DigiDocException.ERR_TOKEN_LOGIN, "Invalid token nr: " + token, null);
// get key
if (m_logger.isDebugEnabled())
m_logger.debug(
"loading key: " + alias + " passwd-len: " + ((passwd != null) ? passwd.length() : 0));
Key key = m_keyStore.getKey(alias, passwd.toCharArray());
if (m_logger.isDebugEnabled())
m_logger.debug("Key: " + ((key != null) ? "OK, algorithm: " + key.getAlgorithm() : "NULL"));
if (key == null)
throw new DigiDocException(
DigiDocException.ERR_TOKEN_LOGIN, "Invalid password for token nr: " + token, null);
String sigMeth = null;
if (sig != null
&& sig.getSignedInfo() != null
&& sig.getSignedInfo().getSignatureMethod() != null)
sigMeth = sig.getSignedInfo().getSignatureMethod();
if (m_logger.isDebugEnabled())
m_logger.debug("Signing\n---\n" + new String(xml) + "\n---\n method: " + sigMeth);
java.security.Signature instance = sigMeth2SigSignatureInstance(sig, key);
if (m_logger.isDebugEnabled())
m_logger.debug("Signature instance: " + ((instance != null) ? "OK" : "NULL"));
instance.initSign((PrivateKey) key);
instance.update(xml);
byte[] signature = instance.sign();
boolean bEcCvcKey = isCvcEcKey(sig);
if (m_logger.isDebugEnabled())
m_logger.debug(
"Signature algorithm: "
+ key.getAlgorithm()
+ " siglen: "
+ signature.length
+ " ec-key: "
+ bEcCvcKey);
if (bEcCvcKey) {
int nKeyLen = ((ECPrivateKey) key).getParams().getCurve().getField().getFieldSize();
int nReqLen = ((int) Math.ceil((double) nKeyLen / 8)) * 2;
int nSigLen = signature.length;
if (m_logger.isDebugEnabled())
m_logger.debug("EC Signature length: " + nSigLen + " required: " + nReqLen);
if (nSigLen < nReqLen) {
if (m_logger.isDebugEnabled())
m_logger.debug("Padding EC signature length: " + nSigLen + " to required: " + nReqLen);
byte[] padsig = new byte[nReqLen];
System.arraycopy(signature, 0, padsig, (nReqLen - nSigLen) / 2, nSigLen / 2);
System.arraycopy(
signature, nSigLen / 2, padsig, (nReqLen / 2) + (nReqLen - nSigLen) / 2, nSigLen / 2);
signature = padsig;
}
}
if (m_logger.isDebugEnabled() && signature != null)
m_logger.debug(
"Signature len: "
+ signature.length
+ "\n---\n sig: "
+ ConvertUtils.bin2hex(signature));
return signature;
} catch (DigiDocException ex) {
m_logger.error("DigiDoc Error signing: " + ex);
throw ex;
} catch (Exception ex) {
m_logger.error("Error signing: " + ex);
}
return null;
}