public void savePublicKey(SessionID sessionID, PublicKey pubKey) {
if (sessionID == null) return;
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(pubKey.getEncoded());
// if (!Address.hasResource(fullUserId))
// return;
this.store.setProperty(
sessionID.getRemoteUserId() + ".publicKey", x509EncodedKeySpec.getEncoded());
// Stash the associated fingerprint. This saves calculating it in the future
// and is useful for transferring rosters to other apps.
try {
String fingerprintString = new OtrCryptoEngineImpl().getFingerprint(pubKey);
String verifiedToken =
buildPublicKeyVerifiedId(sessionID.getRemoteUserId(), fingerprintString.toLowerCase());
if (!this.store.hasProperty(verifiedToken)) this.store.setProperty(verifiedToken, false);
this.store.setPropertyHex(
sessionID.getRemoteUserId() + ".fingerprint", Hex.decode(fingerprintString));
store.save();
} catch (OtrCryptoException e) {
e.printStackTrace();
}
}
/**
* Stores the public key for a specified user from sessionID
*
* @param sessionID sessionID to identifiy the owner of the key
* @param pubKey the key which should be stored
*/
public void savePublicKey(SessionID sessionID, PublicKey pubKey) {
if (sessionID == null) return;
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(pubKey.getEncoded());
String userID = sessionID.getUserID();
this.store.setProperty(userID + ".publicKey", x509EncodedKeySpec.getEncoded());
this.store.removeProperty(userID + ".publicKey.verified");
}
// internal implementation of generatePublic. See JCA doc
private PublicKey generatePublic(KeySpec keySpec) throws GeneralSecurityException {
if (keySpec instanceof X509EncodedKeySpec) {
X509EncodedKeySpec x509Spec = (X509EncodedKeySpec) keySpec;
return new RSAPublicKeyImpl(x509Spec.getEncoded());
} else if (keySpec instanceof RSAPublicKeySpec) {
RSAPublicKeySpec rsaSpec = (RSAPublicKeySpec) keySpec;
return new RSAPublicKeyImpl(rsaSpec.getModulus(), rsaSpec.getPublicExponent());
} else {
throw new InvalidKeySpecException(
"Only RSAPublicKeySpec " + "and X509EncodedKeySpec supported for RSA public keys");
}
}
public RSAKeyPair() {
KeyPairGenerator keyGen = null;
try {
keyGen = KeyPairGenerator.getInstance("RSA");
} catch (NoSuchAlgorithmException e) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
}
keyGen.initialize(512);
java.security.KeyPair keyPair = keyGen.genKeyPair();
privateKey = keyPair.getPrivate();
publicKey = keyPair.getPublic();
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(publicKey.getEncoded());
pubKeyStr = Base64.byteArrayToBase64(x509EncodedKeySpec.getEncoded());
}
public static void SaveKeyPair(String path, KeyPair keyPair) throws IOException {
PrivateKey privateKey = keyPair.getPrivate();
PublicKey publicKey = keyPair.getPublic();
// Store Public Key.
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(publicKey.getEncoded());
FileOutputStream fos = new FileOutputStream(path + "/public.key");
fos.write(x509EncodedKeySpec.getEncoded());
fos.close();
// Store Private Key.
PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(privateKey.getEncoded());
fos = new FileOutputStream(path + "/private.key");
fos.write(pkcs8EncodedKeySpec.getEncoded());
fos.close();
}
private void storeLocalPublicKey(String fullUserId, PublicKey pubKey) {
String userId = Address.stripResource(fullUserId);
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(pubKey.getEncoded());
this.store.setProperty(userId + ".publicKey", x509EncodedKeySpec.getEncoded());
// Stash fingerprint for consistency.
try {
String fingerprintString = new OtrCryptoEngineImpl().getFingerprint(pubKey);
this.store.setPropertyHex(userId + ".fingerprint", Hex.decode(fingerprintString));
} catch (OtrCryptoException e) {
e.printStackTrace();
}
store.save();
}
/**
* Generate a local key pair. Be careful. If there is already an key pair, it will override it
*
* @param sessionID the sessionID that is identified with the local machine
*/
public void generateLocalKeyPair(SessionID sessionID) {
if (sessionID == null) return;
String accountID = sessionID.getAccountID();
KeyPair keyPair;
try {
keyPair = KeyPairGenerator.getInstance("DSA").genKeyPair();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
return;
}
// Store Public Key.
PublicKey pubKey = keyPair.getPublic();
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(pubKey.getEncoded());
this.store.setProperty(accountID + ".publicKey", x509EncodedKeySpec.getEncoded());
// Store Private Key.
PrivateKey privKey = keyPair.getPrivate();
PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(privKey.getEncoded());
this.store.setProperty(accountID + ".privateKey", pkcs8EncodedKeySpec.getEncoded());
}
/**
* Generates X509 encoded public key bytes from a given public key.
*
* @param publicKey the public key
* @return generated public key bytes
* @throws Exception if any errors occur
*/
public static byte[] generateX509PublicKey(PublicKey publicKey) throws Exception {
X509EncodedKeySpec x509EncodedPublicKey =
KEY_FACTORY.getKeySpec(publicKey, X509EncodedKeySpec.class);
return x509EncodedPublicKey.getEncoded();
}
