Examples with EncryptedData org.xel.crypto.EncryptedData used on opensource projects

Example 1 with EncryptedData

use of org.xel.crypto.EncryptedData in project elastic-core-maven by OrdinaryDude.

the class EncryptTo method processRequest.

@Override
protected JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
    long recipientId = ParameterParser.getAccountId(req, "recipient", true);
    byte[] recipientPublicKey = Account.getPublicKey(recipientId);
    if (recipientPublicKey == null) {
        return INCORRECT_RECIPIENT;
    }
    boolean isText = !"false".equalsIgnoreCase(req.getParameter("messageToEncryptIsText"));
    boolean compress = !"false".equalsIgnoreCase(req.getParameter("compressMessageToEncrypt"));
    String plainMessage = Convert.emptyToNull(req.getParameter("messageToEncrypt"));
    if (plainMessage == null) {
        return MISSING_MESSAGE_TO_ENCRYPT;
    }
    byte[] plainMessageBytes;
    try {
        plainMessageBytes = isText ? Convert.toBytes(plainMessage) : Convert.parseHexString(plainMessage);
    } catch (RuntimeException e) {
        return INCORRECT_MESSAGE_TO_ENCRYPT;
    }
    String secretPhrase = ParameterParser.getSecretPhrase(req, true);
    EncryptedData encryptedData = Account.encryptTo(recipientPublicKey, plainMessageBytes, secretPhrase, compress);
    return JSONData.encryptedData(encryptedData);
}

Example 2 with EncryptedData

use of org.xel.crypto.EncryptedData in project elastic-core-maven by OrdinaryDude.

the class MessageEncryptionTest method encryptBytes.

@Test
public void encryptBytes() {
    byte[] data = { (byte) 0x01, (byte) 0x02, (byte) 0xF1, (byte) 0xF2 };
    EncryptedData encryptedData = encrypt(data);
    Assert.assertArrayEquals(data, decrypt(encryptedData));
}

Example 3 with EncryptedData

use of org.xel.crypto.EncryptedData in project elastic-core-maven by OrdinaryDude.

the class SendMessageTest method sendClientEncryptedMessage.

@Test
public void sendClientEncryptedMessage() {
    EncryptedData encryptedData = BOB.getAccount().encryptTo(Convert.toBytes("hello world"), ALICE.getSecretPhrase(), true);
    JSONObject response = new org.xel.http.APICall.Builder("sendMessage").param("secretPhrase", ALICE.getSecretPhrase()).param("recipient", BOB.getStrId()).param("encryptedMessageData", Convert.toHexString(encryptedData.getData())).param("encryptedMessageNonce", Convert.toHexString(encryptedData.getNonce())).param("feeNQT", 0).build().invoke();
    Logger.logDebugMessage("sendMessage: " + response);
    String transaction = (String) response.get("transaction");
    JSONObject attachment = (JSONObject) ((JSONObject) response.get("transactionJSON")).get("attachment");
    JSONObject encryptedMessage = (JSONObject) attachment.get("encryptedMessage");
    Assert.assertNotSame(64, ((String) encryptedMessage.get("data")).length());
    Assert.assertNotSame(32, ((String) encryptedMessage.get("nonce")).length());
    generateBlock();
    response = new org.xel.http.APICall.Builder("readMessage").param("secretPhrase", BOB.getSecretPhrase()).param("transaction", transaction).build().invoke();
    Logger.logDebugMessage("readMessage: " + response);
    Assert.assertEquals("hello world", response.get("decryptedMessage"));
}

Example 4 with EncryptedData

use of org.xel.crypto.EncryptedData in project elastic-core-maven by OrdinaryDude.

the class JSONData method prunableMessage.

static JSONObject prunableMessage(PrunableMessage prunableMessage, String secretPhrase, byte[] sharedKey) {
    JSONObject json = new JSONObject();
    json.put("transaction", Long.toUnsignedString(prunableMessage.getId()));
    if (prunableMessage.getMessage() == null || prunableMessage.getEncryptedData() == null) {
        json.put("isText", prunableMessage.getMessage() != null ? prunableMessage.messageIsText() : prunableMessage.encryptedMessageIsText());
    }
    putAccount(json, "sender", prunableMessage.getSenderId());
    if (prunableMessage.getRecipientId() != 0) {
        putAccount(json, "recipient", prunableMessage.getRecipientId());
    }
    json.put("transactionTimestamp", prunableMessage.getTransactionTimestamp());
    json.put("blockTimestamp", prunableMessage.getBlockTimestamp());
    EncryptedData encryptedData = prunableMessage.getEncryptedData();
    if (encryptedData != null) {
        json.put("encryptedMessage", encryptedData(prunableMessage.getEncryptedData()));
        json.put("encryptedMessageIsText", prunableMessage.encryptedMessageIsText());
        byte[] decrypted = null;
        try {
            if (secretPhrase != null) {
                decrypted = prunableMessage.decrypt(secretPhrase);
            } else if (sharedKey != null && sharedKey.length > 0) {
                decrypted = prunableMessage.decrypt(sharedKey);
            }
            if (decrypted != null) {
                json.put("decryptedMessage", Convert.toString(decrypted, prunableMessage.encryptedMessageIsText()));
            }
        } catch (RuntimeException e) {
            putException(json, e, "Decryption failed");
        }
        json.put("isCompressed", prunableMessage.isCompressed());
    }
    if (prunableMessage.getMessage() != null) {
        json.put("message", Convert.toString(prunableMessage.getMessage(), prunableMessage.messageIsText()));
        json.put("messageIsText", prunableMessage.messageIsText());
    }
    return json;
}

Example 5 with EncryptedData

use of org.xel.crypto.EncryptedData in project elastic-core-maven by OrdinaryDude.

the class ParameterParser method getEncryptedData.

public static EncryptedData getEncryptedData(HttpServletRequest req, String messageType) throws ParameterException {
    String dataString = Convert.emptyToNull(req.getParameter(messageType + "Data"));
    String nonceString = Convert.emptyToNull(req.getParameter(messageType + "Nonce"));
    if (nonceString == null) {
        return null;
    }
    byte[] data;
    byte[] nonce;
    try {
        nonce = Convert.parseHexString(nonceString);
    } catch (RuntimeException e) {
        throw new ParameterException(JSONResponses.incorrect(messageType + "Nonce"));
    }
    if (dataString != null) {
        try {
            data = Convert.parseHexString(dataString);
        } catch (RuntimeException e) {
            throw new ParameterException(JSONResponses.incorrect(messageType + "Data"));
        }
    } else {
        if (req.getContentType() == null || !req.getContentType().startsWith("multipart/form-data")) {
            return null;
        }
        try {
            Part part = req.getPart(messageType + "File");
            if (part == null) {
                return null;
            }
            FileData fileData = new FileData(part).invoke();
            data = fileData.getData();
        } catch (IOException | ServletException e) {
            Logger.logDebugMessage("error in reading file data", e);
            throw new ParameterException(JSONResponses.incorrect(messageType + "File"));
        }
    }
    return new EncryptedData(data, nonce);
}