Example usage for javax.crypto Mac getInstance

Introduction

In this page you can find the example usage for javax.crypto Mac getInstance.

Prototype

public static final Mac getInstance(String algorithm) throws NoSuchAlgorithmException 

Source Link

Document

Returns a Mac object that implements the specified MAC algorithm.

Usage

From source file:edu.internet2.middleware.openid.security.SecurityUtils.java

/**
 * Calculate signature for specified data using an Association.
 * //from   w  w w  .  j a v  a  2s.  c  om
 * @param association association
 * @param data data to calculate signature for
 * @return calculated signature
 * @throws SecurityException if unable to calculate the signature
 */
public static String calculateSignature(Association association, String data) throws SecurityException {
    log.debug("calculating signature using association: {}", association.getHandle());
    log.debug("signature data = {}", data);

    try {
        Mac mac = Mac.getInstance(association.getMacKey().getAlgorithm());
        mac.init(association.getMacKey());

        byte[] rawHmac = mac.doFinal(data.getBytes());
        return new String(Base64.encodeBase64(rawHmac));
    } catch (InvalidKeyException e) {
        log.error("Unable to generate MAC - " + e.getMessage());
        throw new SecurityException("Unable to generate MAC", e);
    } catch (NoSuchAlgorithmException e) {
        log.error("Unable to generate MAC - " + e.getMessage());
        throw new SecurityException("Unable to generate MAC", e);
    }
}

---

From source file:com.grouptuity.venmo.VenmoSDK.java

private static String hash_hmac(String payload, String app_secret, String algorithm) {
    try {/*ww  w . j  av a 2s .c om*/
        Mac mac = Mac.getInstance(algorithm);
        SecretKeySpec secret = new SecretKeySpec(app_secret.getBytes(), algorithm);
        mac.init(secret);
        byte[] digest = mac.doFinal(payload.getBytes());
        String enc = new String(digest);
        return enc;
    } catch (Exception e) {
        Log.d("VenmoSDK Error Message Caught", e.getMessage());
        return "";
    }
}

---

From source file:org.soyatec.windowsazure.authenticate.SharedKeyCredentials.java

private String computeMacSha(String canonicalizedString) {
    Mac mac;//www  .jav a2 s .c o  m
    try {
        if (getKey() == null) {
            throw new StorageClientException(StorageErrorCode.AccountNotFound,
                    "The Windows Azure storage account credentials contains invalid values.",
                    HttpStatusConstant.DEFAULT_STATUS, null, null);
        }
        mac = Mac.getInstance(HMACSHA256);
        mac.init(new SecretKeySpec(getKey(), mac.getAlgorithm()));
        byte[] dataToMAC = canonicalizedString.getBytes(UTF8_CHARSET);
        mac.update(dataToMAC);
        byte[] result = mac.doFinal();
        return Base64.encode(result);
    } catch (NoSuchAlgorithmException e) {
        Logger.error("NoSuchAlgorithmException", e);
    } catch (InvalidKeyException e) {
        Logger.error("InvalidKeyException", e);
    } catch (UnsupportedEncodingException e) {
        Logger.error("UnsupportedEncodingException", e);
    }
    return null;
}

---

From source file:org.dasein.cloud.aws.AWSCloud.java

static public byte[] HmacSHA256(String data, byte[] key) throws InternalException {

    final String algorithm = "HmacSHA256";
    Mac mac;//from  w w  w . j  av a2s.  c  o m
    try {
        mac = Mac.getInstance(algorithm);
        mac.init(new SecretKeySpec(key, algorithm));
        return mac.doFinal(data.getBytes("UTF-8"));
    } catch (NoSuchAlgorithmException e) {
        throw new InternalException(e);
    } catch (InvalidKeyException e) {
        throw new InternalException(e);
    } catch (UnsupportedEncodingException e) {
        throw new InternalException(e);
    }
}

---

From source file:com.mytwitter.retrofit.RetrofitRequestInterceptor2.java

License:asdf

private String computeSignature(String baseString, String keyString)
        throws GeneralSecurityException, UnsupportedEncodingException {

    SecretKey secretKey = null;// w  w  w.j  a va2  s.c  om

    byte[] keyBytes = keyString.getBytes();
    secretKey = new SecretKeySpec(keyBytes, "HmacSHA1");

    Mac mac = Mac.getInstance("HmacSHA1");

    mac.init(secretKey);

    byte[] text = baseString.getBytes();

    return new String(Base64.encodeBase64(mac.doFinal(text))).trim();
}

---

From source file:org.apache.nifi.web.security.otp.OtpService.java

/**
 * Hashes the specified authentication token. The resulting value will be used as the one time use token.
 *
 * @param authenticationToken   the authentication token
 * @return                      the one time use token
 *///from w  w  w.  j a  va  2s .c om
private String hash(final OtpAuthenticationToken authenticationToken) {
    try {
        // input is the user identity and timestamp
        final String input = authenticationToken.getName() + "-" + System.nanoTime();

        // create the secret using secure random
        final SecureRandom secureRandom = new SecureRandom();
        final byte[] randomBytes = new byte[32];
        secureRandom.nextBytes(randomBytes);
        final SecretKeySpec secret = new SecretKeySpec(randomBytes, HMAC_SHA256); // 256 bit

        // hash the input
        final Mac hmacSha256 = Mac.getInstance(HMAC_SHA256);
        hmacSha256.init(secret);
        final byte[] output = hmacSha256.doFinal(input.getBytes(StandardCharsets.UTF_8));

        // return the result as a base 64 string
        return Base64.encodeBase64URLSafeString(output);
    } catch (final NoSuchAlgorithmException | InvalidKeyException e) {
        final String errorMessage = "There was an error generating the OTP";
        logger.error(errorMessage, e);
        throw new IllegalStateException("Unable to generate single use token.");
    }
}

---

From source file:com.klinker.android.twitter.utils.api_helper.TwitterDMPicHelper.java

private static String computeSignature(String baseString, String keyString)
        throws GeneralSecurityException, UnsupportedEncodingException {
    SecretKey secretKey = null;/*  w w w. ja  v  a  2 s  .c o m*/

    byte[] keyBytes = keyString.getBytes();
    secretKey = new SecretKeySpec(keyBytes, "HmacSHA1");

    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(secretKey);

    byte[] text = baseString.getBytes();

    return new String(BASE64Encoder.encode(mac.doFinal(text))).trim();
}

---

From source file:com.hp.autonomy.hod.client.util.Hmac.java

private byte[] hmacSha1(final String message, final String secret) {
    try {/*from ww w . ja va  2 s .c o m*/
        final Mac mac = Mac.getInstance(HMAC_SHA1);
        final Key key = new SecretKeySpec(bytesFromString(secret), HMAC_SHA1);
        mac.init(key);
        return mac.doFinal(bytesFromString(message));
    } catch (final NoSuchAlgorithmException e) {
        // This should never happen on a sensible JVM
        throw new AssertionError("HMAC SHA1 is not supported", e);
    } catch (final InvalidKeyException e) {
        // In practice, this means that the token secret was invalid
        throw new IllegalArgumentException("Invalid token secret", e);
    }
}

---

From source file:org.androdyne.StacktraceUploader.java

/**
 * Given the NameValuePairs forming a stacktrace submission request, creates a
 * signature over the parameters that the API should recognize.
 **///from   www . j  a  v  a 2 s  .  c o m
private String createSignature(List<NameValuePair> params) {
    // First, sort the parameter keys. That'll help later.
    List<String> sortedKeys = new LinkedList<String>();
    for (NameValuePair pair : params) {
        sortedKeys.add(pair.getName());
    }
    Collections.sort(sortedKeys, String.CASE_INSENSITIVE_ORDER);

    // Create signature.
    Mac hmac = null;
    try {
        hmac = Mac.getInstance("HmacSHA1");
        hmac.init(new SecretKeySpec(mAPISecret.getBytes(), "HmacSHA1"));
    } catch (NoSuchAlgorithmException ex) {
        android.util.Log.e(LTAG, "No HmacSHA1 available on this phone.");
        return null;
    } catch (InvalidKeyException ex) {
        android.util.Log.e(LTAG, "Invalid secret; shouldn't be possible.");
        return null;
    }

    final int size = sortedKeys.size();
    for (int i = 0; i < size; ++i) {
        String key = sortedKeys.get(i);

        for (NameValuePair pair : params) {
            if (!key.equals(pair.getName())) {
                continue;
            }

            // This pair is next!
            try {
                hmac.update(String.format("%s=%s", key, URLEncoder.encode(pair.getValue(), "utf8")).getBytes());
            } catch (java.io.UnsupportedEncodingException ex) {
                android.util.Log.e(LTAG, "URLEncoder reports 'utf8' is an unsupported encoding...");
                return null;
            }
            if (i < size - 1) {
                hmac.update("&".getBytes());
            }
        }
    }

    String signature = new BigInteger(1, hmac.doFinal()).toString(16);
    // android.util.Log.d(LTAG, "signature: " + signature);
    return signature;
}

---

From source file:com.mastfrog.acteur.twitter.TwitterSign.java

private static String computeSignature(String baseString, String keyString)
        throws GeneralSecurityException, UnsupportedEncodingException {
    SecretKey secretKey = null;/* w w w  .j  ava  2 s . com*/

    byte[] keyBytes = keyString.getBytes();
    secretKey = new SecretKeySpec(keyBytes, "HmacSHA1");

    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(secretKey);

    byte[] text = baseString.getBytes();

    //        return new String(Base64.getEncoder().encode(mac.doFinal(text))).trim();
    return new String(Base64.encodeBase64(mac.doFinal(text))).trim();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• »