Example usage for javax.crypto.spec SecretKeySpec SecretKeySpec

Introduction

In this page you can find the example usage for javax.crypto.spec SecretKeySpec SecretKeySpec.

Prototype

public SecretKeySpec(byte[] key, String algorithm) 

Source Link

Document

Constructs a secret key from the given byte array.

Usage

From source file:com.scraper.SignedRequestsHelper.java

public SignedRequestsHelper()
        throws UnsupportedEncodingException, NoSuchAlgorithmException, InvalidKeyException {
    byte[] secretyKeyBytes = awsSecretKey.getBytes(UTF8_CHARSET);
    secretKeySpec = new SecretKeySpec(secretyKeyBytes, HMAC_SHA256_ALGORITHM);
    mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
    mac.init(secretKeySpec);/*from  w w w .j  a va  2  s .c o  m*/
}

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From source file:com.linecorp.platform.channel.sample.BusinessConnect.java

public boolean validateBCRequest(String httpRequestBody, String channelSecret, String channelSignature) {
    if (httpRequestBody == null || channelSecret == null || channelSignature == null) {
        return false;
    }/*from   www  .  j a  v  a  2 s  .c o m*/

    String signature;
    SecretKeySpec key = new SecretKeySpec(channelSecret.getBytes(), "HmacSHA256");
    try {
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(key);
        byte[] source = httpRequestBody.getBytes("UTF-8");
        signature = Base64.encodeBase64String(mac.doFinal(source));
    } catch (NoSuchAlgorithmException | InvalidKeyException | UnsupportedEncodingException e) {
        e.printStackTrace();
        return false;
    }
    return channelSignature.equals(signature);
}

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From source file:com.clustercontrol.commons.util.CryptUtil.java

private static String encrypt(String key, String word) {
    if (word == null) {
        return null;
    }//from  w w w  .ja  v a 2  s .  co  m
    // ?
    SecretKeySpec sksSpec = new SecretKeySpec(key.getBytes(), algorithm);
    Cipher cipher = null;
    try {
        cipher = Cipher.getInstance(algorithm);
    } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
        m_log.warn("encrypt : " + (e.getClass().getName()) + "," + e.getMessage(), e);
        return null;
    }
    try {
        cipher.init(Cipher.ENCRYPT_MODE, sksSpec);
    } catch (InvalidKeyException e) {
        m_log.warn("encrypt : " + (e.getClass().getName()) + "," + e.getMessage(), e);
        return null;
    }

    byte[] encrypted = null;
    try {
        encrypted = cipher.doFinal(word.getBytes());
    } catch (IllegalBlockSizeException | BadPaddingException e) {
        m_log.warn("encrypt : " + (e.getClass().getName()) + "," + e.getMessage(), e);
        return null;
    }

    return Base64.encodeBase64String(encrypted);
}

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From source file:testFileHandler.java

public void encrypt(String message, String secretKey, javax.swing.JTextArea ciphertextField) throws Exception {

    MessageDigest md = MessageDigest.getInstance("SHA-1");
    byte[] digestOfPassword = md.digest(secretKey.getBytes("utf-8"));
    byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);

    SecretKey key = new SecretKeySpec(keyBytes, "DESede");
    Cipher cipher = Cipher.getInstance("DESede");
    cipher.init(Cipher.ENCRYPT_MODE, key);
    // Encode the string into bytes using utf-8
    byte[] plainTextBytes = message.getBytes("utf-8");
    // Encrypt/*from www  .  jav a 2s .  c o m*/
    byte[] buf = cipher.doFinal(plainTextBytes);
    // Encode bytes to base64 to get a string
    byte[] base64Bytes = Base64.encodeBase64(buf);
    String base64EncryptedString = new String(base64Bytes);

    ciphertextField.setText(base64EncryptedString);
}

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From source file:com.searchcode.app.util.AESEncryptor.java

public byte[] decrypt(byte[] cipherText) throws Exception {
    SecretKeySpec secretKey = new SecretKeySpec(this.key, this.ALGORITHM);
    Cipher cipher = Cipher.getInstance(this.ALGORITHM);
    cipher.init(Cipher.DECRYPT_MODE, secretKey);

    return cipher.doFinal(cipherText);
}

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From source file:lti.oauth.OAuthMessageSigner.java

/**
 * This method double encodes the parameter keys and values.
 * Thus, it expects the keys and values contained in the 'parameters' SortedMap
 * NOT to be encoded./*from  w w  w. java 2 s  .c  o  m*/
 * 
 * @param secret
 * @param algorithm
 * @param method
 * @param url
 * @param parameters
 * @return oauth signature
 * @throws Exception
 */
public String sign(String secret, String algorithm, String method, String url,
        SortedMap<String, String> parameters) throws Exception {
    SecretKeySpec secretKeySpec = new SecretKeySpec((secret.concat(OAuthUtil.AMPERSAND)).getBytes(), algorithm);
    Mac mac = Mac.getInstance(secretKeySpec.getAlgorithm());
    mac.init(secretKeySpec);

    StringBuilder signatureBase = new StringBuilder(OAuthUtil.percentEncode(method));
    signatureBase.append(OAuthUtil.AMPERSAND);

    signatureBase.append(OAuthUtil.percentEncode(url));
    signatureBase.append(OAuthUtil.AMPERSAND);

    int count = 0;
    for (String key : parameters.keySet()) {
        count++;
        signatureBase.append(OAuthUtil.percentEncode(OAuthUtil.percentEncode(key)));
        signatureBase.append(URLEncoder.encode(OAuthUtil.EQUAL, OAuthUtil.ENCODING));
        signatureBase.append(OAuthUtil.percentEncode(OAuthUtil.percentEncode(parameters.get(key))));

        if (count < parameters.size()) {
            signatureBase.append(URLEncoder.encode(OAuthUtil.AMPERSAND, OAuthUtil.ENCODING));
        }
    }

    if (log.isDebugEnabled()) {
        log.debug(signatureBase.toString());
    }

    byte[] bytes = mac.doFinal(signatureBase.toString().getBytes());
    byte[] encodedMacBytes = Base64.encodeBase64(bytes);

    return new String(encodedMacBytes);
}

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From source file:net.ftb.util.CryptoUtils.java

/**
 * Method to AES decrypt string if fails, will attempt to use {@link #decryptLegacy(String str, byte[] key)}
 * @param str string to decrypt//from w w  w.j  a  va  2s. c  o m
 * @param key decryption key key
 * @return decrypted string or "" if legacy fails
 */
public static String decrypt(String str, byte[] key) {
    try {
        Cipher aes = Cipher.getInstance("AES");
        aes.init(Cipher.DECRYPT_MODE, new SecretKeySpec(pad(key), "AES"));
        String s = new String(aes.doFinal(Base64.decodeBase64(str)), "utf8");
        if (s.startsWith("FDT:") && s.length() > 4)
            return s.split(":", 2)[1];//we don't want the decryption test
        else
            return decryptLegacy(str, key);
    } catch (Exception e) {
        Logger.logError("Error Decrypting information, attempting legacy decryption", e);
        return decryptLegacy(str, key);
    }
}

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From source file:com.commander4j.util.JCipher.java

private Cipher getCipher(int cipherMode) throws Exception {
    String encryptionAlgorithm = "AES";
    SecretKeySpec keySpecification = new SecretKeySpec(encryptionKey.getBytes("UTF-8"), encryptionAlgorithm);
    Cipher cipher = Cipher.getInstance(encryptionAlgorithm);
    cipher.init(cipherMode, keySpecification);

    return cipher;
}

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From source file:com.javaps.springboot.LicenseController.java

@RequestMapping(value = "/public/license", produces = "text/plain", method = RequestMethod.GET)
public String licenseIssue(@RequestParam(value = "ip") String clientIp) throws Exception {
    SecretKeySpec signingKey = new SecretKeySpec(licenseSecretKey.getBytes(), "HmacSHA1");
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(signingKey);//from  w ww.j  av a  2 s  .  com

    byte[] rawHmac = mac.doFinal(clientIp.getBytes());
    return Base64.encodeBase64String(rawHmac);
}

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From source file:ch.newscron.encryption.Encryption.java

/**
 * Given a JSONObject, and maybe an hash, it is encoded and returned as a String.
 * @param inviteData is a JSONObject having the data with the keys "customerId", "rew1", "rew2" and "val"
 * @param md5Hash is a String that substitute the hash computed using md5 algorithm, in case it is not null and not empty
 * @return encoded string //from w w w . j  a v  a 2 s. c o  m
 */
protected static String encode(JSONObject inviteData, String md5Hash) {

    try {
        //Check in case we want to add a given hash (having at the end a corrupt data)
        if (md5Hash != null && !md5Hash.isEmpty()) {
            //Add md5Hash to JSONObject
            inviteData.put("hash", md5Hash);
        } else {
            return null;
        }

        //Encode inviteData (with hash) JSONObject
        String params = inviteData.toString();
        final SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
        cipher.init(Cipher.ENCRYPT_MODE, secretKey,
                new IvParameterSpec(initializationVector.getBytes("UTF-8")));
        return Base64.encodeBase64URLSafeString(cipher.doFinal(params.getBytes())); //to ensure valid URL characters
    } catch (Exception e) {
    }

    return null;
}

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