private AlgorithmIdentifier getSignatureAlgoId(final String signerConf) throws SignerException {
CmpUtf8Pairs keyValues = new CmpUtf8Pairs(signerConf);
String algoS = keyValues.getValue("algo");
if (algoS == null) {
throw new SignerException("algo is not specified");
}
try {
return AlgorithmUtil.getSignatureAlgoId(algoS);
} catch (NoSuchAlgorithmException e) {
throw new SignerException(e.getMessage(), e);
}
}
/*
* sigAlgoControl will be considered only if hashAlgo is not set
*
*/
private ConcurrentContentSigner doCreateSigner(
String type,
final String conf,
final String hashAlgo,
final SignatureAlgoControl sigAlgoControl,
final X509Certificate[] certificateChain)
throws SignerException {
if (signerTypeMapping.containsKey(type)) {
type = signerTypeMapping.get(type);
}
if ("PKCS11".equalsIgnoreCase(type)
|| "PKCS12".equalsIgnoreCase(type)
|| "JKS".equalsIgnoreCase(type)) {
CmpUtf8Pairs keyValues = new CmpUtf8Pairs(conf);
String s = keyValues.getValue("parallelism");
int parallelism = defaultParallelism;
if (s != null) {
try {
parallelism = Integer.parseInt(s);
} catch (NumberFormatException e) {
throw new SignerException("invalid parallelism " + s);
}
if (parallelism < 1) {
throw new SignerException("invalid parallelism " + s);
}
}
if ("PKCS11".equalsIgnoreCase(type)) {
String pkcs11Module = keyValues.getValue("module");
if (pkcs11Module == null) {
pkcs11Module = DEFAULT_P11MODULE_NAME;
}
s = keyValues.getValue("slot");
Integer slotIndex = (s == null) ? null : Integer.parseInt(s);
s = keyValues.getValue("slot-id");
Long slotId = (s == null) ? null : Long.parseLong(s);
if ((slotIndex == null && slotId == null) || (slotIndex != null && slotId != null)) {
throw new SignerException("exactly one of slot (index) and slot-id must be specified");
}
P11SlotIdentifier slot = new P11SlotIdentifier(slotIndex, slotId);
String keyLabel = keyValues.getValue("key-label");
s = keyValues.getValue("key-id");
byte[] keyId = null;
if (s != null) {
keyId = Hex.decode(s);
}
if ((keyId == null && keyLabel == null) || (keyId != null && keyLabel != null)) {
throw new SignerException("exactly one of key-id and key-label must be specified");
}
P11KeyIdentifier keyIdentifier;
if (keyId != null) {
keyIdentifier = new P11KeyIdentifier(keyId);
} else {
keyIdentifier = new P11KeyIdentifier(keyLabel);
}
P11CryptService p11CryptService = getP11CryptService(pkcs11Module);
P11ContentSignerBuilder signerBuilder =
new P11ContentSignerBuilder(p11CryptService, slot, keyIdentifier, certificateChain);
try {
AlgorithmIdentifier signatureAlgId;
if (hashAlgo == null) {
signatureAlgId = getSignatureAlgoId(conf);
} else {
PublicKey pubKey;
try {
pubKey = getPkcs11PublicKey(pkcs11Module, slot, keyIdentifier);
} catch (InvalidKeyException e) {
throw new SignerException("invalid key: " + e.getMessage(), e);
}
signatureAlgId = AlgorithmUtil.getSignatureAlgoId(pubKey, hashAlgo, sigAlgoControl);
}
return signerBuilder.createSigner(signatureAlgId, parallelism);
} catch (OperatorCreationException | NoSuchPaddingException | NoSuchAlgorithmException e) {
throw new SignerException(e.getMessage(), e);
}
} else {
String passwordHint = keyValues.getValue("password");
char[] password;
if (passwordHint == null) {
password = null;
} else {
if (passwordResolver == null) {
password = passwordHint.toCharArray();
} else {
try {
password = passwordResolver.resolvePassword(passwordHint);
} catch (PasswordResolverException e) {
throw new SignerException("could not resolve password. Message: " + e.getMessage());
}
}
}
s = keyValues.getValue("keystore");
String keyLabel = keyValues.getValue("key-label");
InputStream keystoreStream;
if (StringUtil.startsWithIgnoreCase(s, "base64:")) {
keystoreStream = new ByteArrayInputStream(Base64.decode(s.substring("base64:".length())));
} else if (StringUtil.startsWithIgnoreCase(s, "file:")) {
String fn = s.substring("file:".length());
try {
keystoreStream = new FileInputStream(IoUtil.expandFilepath(fn));
} catch (FileNotFoundException e) {
throw new SignerException("file not found: " + fn);
}
} else {
throw new SignerException("unknown keystore content format");
}
SoftTokenContentSignerBuilder signerBuilder =
new SoftTokenContentSignerBuilder(
type, keystoreStream, password, keyLabel, password, certificateChain);
try {
AlgorithmIdentifier signatureAlgId;
if (hashAlgo == null) {
signatureAlgId = getSignatureAlgoId(conf);
} else {
PublicKey pubKey = signerBuilder.getCert().getPublicKey();
signatureAlgId = AlgorithmUtil.getSignatureAlgoId(pubKey, hashAlgo, sigAlgoControl);
}
return signerBuilder.createSigner(signatureAlgId, parallelism);
} catch (OperatorCreationException | NoSuchPaddingException | NoSuchAlgorithmException e) {
throw new SignerException(e.getMessage());
}
}
} else if (StringUtil.startsWithIgnoreCase(type, "java:")) {
if (hashAlgo == null) {
ConcurrentContentSigner contentSigner;
String classname = type.substring("java:".length());
try {
Class<?> clazz = Class.forName(classname);
contentSigner = (ConcurrentContentSigner) clazz.newInstance();
} catch (Exception e) {
throw new SignerException(e.getMessage(), e);
}
contentSigner.initialize(conf, passwordResolver);
if (certificateChain != null) {
contentSigner.setCertificateChain(certificateChain);
}
return contentSigner;
} else {
throw new SignerException("unknwon type: " + type);
}
} else {
throw new SignerException("unknwon type: " + type);
}
}
private static void validateSigner(
final ConcurrentContentSigner signer,
final X509Certificate[] certificateChain,
final String signerType,
final String signerConf)
throws SignerException {
X509Certificate cert = signer.getCertificate();
if (certificateChain == null) {
return;
}
String signatureAlgoName;
try {
signatureAlgoName = AlgorithmUtil.getSignatureAlgoName(signer.getAlgorithmIdentifier());
} catch (NoSuchAlgorithmException e) {
throw new SignerException(e.getMessage(), e);
}
ContentSigner csigner;
try {
csigner = signer.borrowContentSigner();
} catch (NoIdleSignerException e) {
throw new SignerException(e.getMessage(), e);
}
try {
byte[] dummyContent = new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
Signature verifier = Signature.getInstance(signatureAlgoName, "BC");
OutputStream signatureStream = csigner.getOutputStream();
signatureStream.write(dummyContent);
byte[] signatureValue = csigner.getSignature();
verifier.initVerify(cert.getPublicKey());
verifier.update(dummyContent);
boolean valid = verifier.verify(signatureValue);
if (valid == false) {
String subject = X509Util.getRFC4519Name(cert.getSubjectX500Principal());
StringBuilder sb = new StringBuilder();
sb.append("key and certificate not match. ");
sb.append("key type='").append(signerType).append("'; ");
CmpUtf8Pairs keyValues = new CmpUtf8Pairs(signerConf);
String pwd = keyValues.getValue("password");
if (pwd != null) {
keyValues.putUtf8Pair("password", "****");
}
keyValues.putUtf8Pair("algo", signatureAlgoName);
sb.append("conf='").append(keyValues.getEncoded()).append("', ");
sb.append("certificate subject='").append(subject).append("'");
throw new SignerException(sb.toString());
}
} catch (IOException
| NoSuchAlgorithmException
| InvalidKeyException
| SignatureException
| NoSuchProviderException e) {
throw new SignerException(e.getMessage(), e);
} finally {
if (csigner != null) {
signer.returnContentSigner(csigner);
}
}
}
