Example usage for javax.crypto Mac getInstance

List of usage examples for javax.crypto Mac getInstance

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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:com.skplanet.syruppay.token.tav.TransactionAuthenticationValue.java

public boolean isValidBy(final String key, final String checksum)
        throws NoSuchAlgorithmException, IOException, InvalidKeyException {
    final Mac mac = Mac.getInstance("HmacSHA256");
    mac.init(new SecretKeySpec(key.getBytes("UTF-8"), mac.getAlgorithm()));
    mac.update((cardToken + mctTransAuthId + ocTransAuthId
            + new ObjectMapper().writeValueAsString(paymentAuthenticationDetail)).getBytes("UTF-8"));
    return Base64.encodeBase64URLSafeString(mac.doFinal()).equals(checksum);
}

From source file:com.zns.comicdroid.amazon.SignedRequestsHelper.java

/**
 * You must provide the three values below to initialize the helper.
 *  /*w ww. ja va 2  s  . com*/
 * @param endpoint          Destination for the requests.
 * @param awsAccessKeyId    Your AWS Access Key ID
 * @param awsSecretKey      Your AWS Secret Key
 */
@SuppressLint("DefaultLocale")
public static SignedRequestsHelper getInstance(String endpoint, String awsAccessKeyId, String awsSecretKey)
        throws IllegalArgumentException, UnsupportedEncodingException, NoSuchAlgorithmException,
        InvalidKeyException {
    if (null == endpoint || endpoint.length() == 0) {
        throw new IllegalArgumentException("endpoint is null or empty");
    }
    if (null == awsAccessKeyId || awsAccessKeyId.length() == 0) {
        throw new IllegalArgumentException("awsAccessKeyId is null or empty");
    }
    if (null == awsSecretKey || awsSecretKey.length() == 0) {
        throw new IllegalArgumentException("awsSecretKey is null or empty");
    }

    SignedRequestsHelper instance = new SignedRequestsHelper();
    instance.endpoint = endpoint.toLowerCase(Locale.ENGLISH);
    instance.awsAccessKeyId = awsAccessKeyId;
    instance.awsSecretKey = awsSecretKey;

    byte[] secretyKeyBytes = instance.awsSecretKey.getBytes(UTF8_CHARSET);
    instance.secretKeySpec = new SecretKeySpec(secretyKeyBytes, HMAC_SHA256_ALGORITHM);
    instance.mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
    instance.mac.init(instance.secretKeySpec);

    return instance;
}

From source file:API.amazon.advertising.SignedRequestsHelper.java

/**
 * You must provide the three values below to initialize the helper.
 *  /*from  w  w  w.j a va  2 s  .  c  o  m*/
 * @param endpoint          Destination for the requests.
 * @param awsAccessKeyId    Your AWS Access Key ID
 * @param awsSecretKey      Your AWS Secret Key
 */
public static SignedRequestsHelper getInstance(String endpoint, String awsAccessKeyId, String awsSecretKey,
        String AssociateTag) throws IllegalArgumentException, UnsupportedEncodingException,
        NoSuchAlgorithmException, InvalidKeyException {
    if (null == endpoint || endpoint.length() == 0) {
        throw new IllegalArgumentException("endpoint is null or empty");
    }
    if (null == awsAccessKeyId || awsAccessKeyId.length() == 0) {
        throw new IllegalArgumentException("awsAccessKeyId is null or empty");
    }
    if (null == awsSecretKey || awsSecretKey.length() == 0) {
        throw new IllegalArgumentException("awsSecretKey is null or empty");
    }

    SignedRequestsHelper instance = new SignedRequestsHelper();
    instance.endpoint = endpoint.toLowerCase();
    instance.awsAccessKeyId = awsAccessKeyId;
    instance.awsSecretKey = awsSecretKey;
    instance.AssociateTag = AssociateTag;

    byte[] secretyKeyBytes = instance.awsSecretKey.getBytes(UTF8_CHARSET);
    instance.secretKeySpec = new SecretKeySpec(secretyKeyBytes, HMAC_SHA256_ALGORITHM);
    instance.mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
    instance.mac.init(instance.secretKeySpec);

    return instance;
}

From source file:com.janrain.backplane.common.HmacHashUtils.java

private static String hmacSign(SecretKey key, String password)
        throws NoSuchAlgorithmException, InvalidKeyException, UnsupportedEncodingException {
    Mac mac = Mac.getInstance(key.getAlgorithm());
    mac.init(key);// w ww .ja  va  2s.  c  om
    return new String(Base64.encodeBase64(mac.doFinal(password.getBytes())), UTF8_STRING_ENCODING);
}

From source file:com.emc.atmos.api.RestUtil.java

public static String sign(String string, byte[] hashKey) {
    try {/*from  w  w  w.jav  a  2  s .  c o m*/
        // Compute the signature hash
        l4j.debug("Hashing: \n" + string);

        byte[] input = string.getBytes("UTF-8");

        Mac mac = Mac.getInstance("HmacSHA1");
        SecretKeySpec key = new SecretKeySpec(hashKey, "HmacSHA1");
        mac.init(key);

        byte[] hashBytes = mac.doFinal(input);

        // Encode the hash in Base64.
        String hash = new String(Base64.encodeBase64(hashBytes), "UTF-8");

        l4j.debug("Hash: " + hash);

        return hash;
    } catch (Exception e) {
        throw new RuntimeException("Error signing string:\n" + string + "\n", e);
    }
}

From source file:model.connection.amazon.SignedRequestsHelper.java

/**
 * You must provide the three values below to initialize the helper.
 *  /*from   w ww .  j  a v  a2 s .c  o  m*/
 * @param endpoint          Destination for the requests.
 * @param awsAccessKeyId    Your AWS Access Key ID
 * @param awsSecretKey      Your AWS Secret Key
 */
public static SignedRequestsHelper getInstance(String protocol, String endpoint, String awsAccessKeyId,
        String awsSecretKey) throws IllegalArgumentException, UnsupportedEncodingException,
        NoSuchAlgorithmException, InvalidKeyException {
    if (null == endpoint || endpoint.length() == 0) {
        throw new IllegalArgumentException("endpoint is null or empty");
    }
    if (null == protocol || protocol.length() == 0) {
        throw new IllegalArgumentException("protocol is null or empty");
    }
    if (null == awsAccessKeyId || awsAccessKeyId.length() == 0) {
        throw new IllegalArgumentException("awsAccessKeyId is null or empty");
    }
    if (null == awsSecretKey || awsSecretKey.length() == 0) {
        throw new IllegalArgumentException("awsSecretKey is null or empty");
    }

    SignedRequestsHelper instance = new SignedRequestsHelper();
    instance.protocol = protocol.toLowerCase();
    instance.endpoint = endpoint.toLowerCase();
    instance.awsAccessKeyId = awsAccessKeyId;
    instance.awsSecretKey = awsSecretKey;

    byte[] secretyKeyBytes = instance.awsSecretKey.getBytes(UTF8_CHARSET);
    instance.secretKeySpec = new SecretKeySpec(secretyKeyBytes, HMAC_SHA256_ALGORITHM);
    instance.mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
    instance.mac.init(instance.secretKeySpec);

    return instance;
}

From source file:org.apache.shindig.common.crypto.Crypto.java

/**
 * Verifies an HMAC SHA1 hash.  Throws if the verification fails.
 * //w  ww . j  a va2 s  .  c  o  m
 * @param key
 * @param in
 * @param expected
 * @throws GeneralSecurityException
 */
public static void hmacSha1Verify(byte[] key, byte[] in, byte[] expected) throws GeneralSecurityException {
    Mac hmac = Mac.getInstance(HMAC_TYPE);
    Key hmacKey = new SecretKeySpec(key, HMAC_TYPE);
    hmac.init(hmacKey);
    hmac.update(in);
    byte actual[] = hmac.doFinal();
    if (actual.length != expected.length) {
        throw new GeneralSecurityException("HMAC verification failure");
    }
    for (int i = 0; i < actual.length; i++) {
        if (actual[i] != expected[i]) {
            throw new GeneralSecurityException("HMAC verification failure");
        }
    }
}

From source file:apaapi4j.SignedRequestsHelper.java

private SignedRequestsHelper(String endpoint, String awsAccessKeyId, String awsSecretKey) {
    try {/*from   w  w w .j a  va 2  s . com*/
        this.endpoint = endpoint.toLowerCase();
        this.awsAccessKeyId = awsAccessKeyId;

        byte[] secretyKeyBytes = awsSecretKey.getBytes(UTF8_CHARSET);
        this.secretKeySpec = new SecretKeySpec(secretyKeyBytes, HMAC_SHA256_ALGORITHM);
        this.mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
        this.mac.init(this.secretKeySpec);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:org.mayocat.webhooks.Webhooks.java

private String hmac(String secret, String message) throws GeneralSecurityException {
    SecretKeySpec signingKey = new SecretKeySpec(secret.getBytes(), HMAC_SHA256);
    Mac mac = Mac.getInstance(HMAC_SHA256);
    mac.init(signingKey);/*ww w  .  j  a v a2s. com*/
    byte[] rawHmac = mac.doFinal(message.getBytes(Charsets.UTF_8));
    String result = new String(Hex.encodeHexString(rawHmac));
    return result;
}

From source file:com.example.amazon.SignedRequestsHelper.java

/**
 * You must provide the three values below to initialize the helper.
 * /*from  www .  j  ava 2  s .c  om*/
 * @param endpoint
 *            Destination for the requests.
 * @param awsAccessKeyId
 *            Your AWS Access Key ID
 * @param awsSecretKey
 *            Your AWS Secret Key
 */
public static SignedRequestsHelper getInstance(String endpoint, String awsAccessKeyId, String awsSecretKey,
        String awsAssociateTag) throws IllegalArgumentException, UnsupportedEncodingException,
        NoSuchAlgorithmException, InvalidKeyException {
    if (null == endpoint || endpoint.length() == 0) {
        throw new IllegalArgumentException("endpoint is null or empty");
    }
    if (null == awsAccessKeyId || awsAccessKeyId.length() == 0) {
        throw new IllegalArgumentException("awsAccessKeyId is null or empty");
    }
    if (null == awsSecretKey || awsSecretKey.length() == 0) {
        throw new IllegalArgumentException("awsSecretKey is null or empty");
    }
    if (null == awsAssociateTag || awsAssociateTag.length() == 0) {
        throw new IllegalArgumentException("awsAssociateTag is null or empty");
    }

    SignedRequestsHelper instance = new SignedRequestsHelper();
    instance.endpoint = endpoint.toLowerCase();
    instance.awsAccessKeyId = awsAccessKeyId;
    instance.awsSecretKey = awsSecretKey;
    instance.awsAssociateTag = awsAssociateTag;

    byte[] secretyKeyBytes = instance.awsSecretKey.getBytes(UTF8_CHARSET);
    instance.secretKeySpec = new SecretKeySpec(secretyKeyBytes, HMAC_SHA256_ALGORITHM);
    instance.mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
    instance.mac.init(instance.secretKeySpec);

    return instance;
}