Example usage for javax.crypto Mac getInstance

List of usage examples for javax.crypto Mac getInstance

  1. HOME
  2. Java
  3. javax
  4. javax.crypto.*
  5. Mac
  6. 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:com.weibo.api.OAuth2.java

private String parseSignedRequest(String signedRequest, String appSecret) {
    String tokenInfoValue = null;
    String[] tokens = StringUtils.split(signedRequest, "\\.", 2);
    // base64Token
    String base64Token = tokens[0];
    //  url encode/decode ??base64url ??
    // '+''/'??'-''_''=' ???base64?'='?
    int padding = (4 - base64Token.length() % 4);
    for (int i = 0; i < padding; i++) {
        base64Token += "=";
    }//from   w ww . jav  a 2 s.  c o m
    base64Token = StringUtils.replace(base64Token, "-", "+");
    base64Token = StringUtils.replace(base64Token, "_", "/");
    // base64Token1
    String token1 = tokens[1];
    SecretKey key = new SecretKeySpec(appSecret.getBytes(), ALGORITHM_HMACSHA256);
    try {
        Mac mac = Mac.getInstance(ALGORITHM_HMACSHA256);
        mac.init(key);
        mac.update(token1.getBytes());
        byte[] macResult = mac.doFinal();
        String base64Token1 = Base64.encodeBase64String(macResult);
        // access token
        if (StringUtils.equals(base64Token, base64Token1)) {
            tokenInfoValue = new String(Base64.decodeBase64(token1));
            log.info(tokenInfoValue);
        }
    } catch (NoSuchAlgorithmException e) {
        log.error(ExceptionUtils.getFullStackTrace(e));
    } catch (InvalidKeyException e) {
        log.error(ExceptionUtils.getFullStackTrace(e));
    }
    return tokenInfoValue;
}

From source file:org.apache.xml.security.algorithms.implementations.IntegrityHmac.java

/**
 * Proxy method for {@link java.security.Signature#initVerify(java.security.PublicKey)}
 * which is executed on the internal {@link java.security.Signature} object.
 *
 * @param secretKey// w  ww  . j  av  a 2  s .c  o  m
 * @throws XMLSignatureException
 */
protected void engineInitVerify(Key secretKey) throws XMLSignatureException {
    if (!(secretKey instanceof SecretKey)) {
        String supplied = secretKey.getClass().getName();
        String needed = SecretKey.class.getName();
        Object exArgs[] = { supplied, needed };

        throw new XMLSignatureException("algorithms.WrongKeyForThisOperation", exArgs);
    }

    try {
        this.macAlgorithm.init(secretKey);
    } catch (InvalidKeyException ex) {
        // reinstantiate Mac object to work around bug in JDK
        // see: http://bugs.sun.com/view_bug.do?bug_id=4953555
        Mac mac = this.macAlgorithm;
        try {
            this.macAlgorithm = Mac.getInstance(macAlgorithm.getAlgorithm());
        } catch (Exception e) {
            // this shouldn't occur, but if it does, restore previous Mac
            if (log.isDebugEnabled()) {
                log.debug("Exception when reinstantiating Mac:" + e);
            }
            this.macAlgorithm = mac;
        }
        throw new XMLSignatureException("empty", ex);
    }
}

From source file:com.flazr.Utils.java

public static byte[] sha256(byte[] message, byte[] key) {
    Mac mac;//w w w  . j  a v  a  2  s  .  co m
    try {
        mac = Mac.getInstance("HmacSHA256");
        mac.init(new SecretKeySpec(key, "HmacSHA256"));
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return mac.doFinal(message);
}

From source file:fi.okm.mpass.shibboleth.authn.impl.BaseInitializeWilmaContext.java

/**
 * Constructs an URL where the user is redirected for authentication.
 * @param flowExecutionUrl The current flow execution URL, to be included in the redirect URL.
 * @param authenticationContext The context, also containing {@link WilmaAuthenticationContext}.
 * @return The redirect URL containing the checksum.
 *//*from w ww .  jav  a 2 s .  c  o m*/
public String getRedirect(final String flowExecutionUrl, final AuthenticationContext authenticationContext) {
    final HttpServletRequest httpRequest = getHttpServletRequest();
    final WilmaAuthenticationContext wilmaContext = authenticationContext
            .getSubcontext(WilmaAuthenticationContext.class);
    final StringBuffer redirectToBuffer = new StringBuffer(
            httpRequest.getScheme() + "://" + httpRequest.getServerName());
    if (httpRequest.getServerPort() != 443) {
        redirectToBuffer.append(":" + httpRequest.getServerPort());
    }
    redirectToBuffer.append(flowExecutionUrl).append(getAsParameter("&", "_eventId_proceed", "1"));
    redirectToBuffer
            .append(getAsParameter("&", WilmaAuthenticationContext.PARAM_NAME_NONCE, wilmaContext.getNonce()));
    final URLCodec urlCodec = new URLCodec();
    try {
        final StringBuffer unsignedUrlBuffer = new StringBuffer(wilmaContext.getRedirectUrl());
        unsignedUrlBuffer.append(getAsParameter("?", WilmaAuthenticationContext.PARAM_NAME_REDIRECT_TO,
                urlCodec.encode(redirectToBuffer.toString())));
        if (authenticationContext.isForceAuthn()) {
            unsignedUrlBuffer
                    .append(getAsParameter("&", WilmaAuthenticationContext.PARAM_NAME_FORCE_AUTH, "true"));
        }
        final String redirectUrl = unsignedUrlBuffer.toString() + getAsParameter("&",
                WilmaAuthenticationContext.PARAM_NAME_CHECKSUM,
                calculateChecksum(Mac.getInstance(algorithm), unsignedUrlBuffer.toString(), signatureKey));
        return redirectUrl;
    } catch (EncoderException | NoSuchAlgorithmException e) {
        log.error("{}: Could not encode the following URL {}", getLogPrefix(), redirectToBuffer, e);
    }
    return null;
}

From source file:net.sf.gazpachoquest.rest.auth.TokenStore.java

private String encode(final long expires, final String userId, final int token, final SecretKey key)
        throws IllegalStateException, UnsupportedEncodingException, NoSuchAlgorithmException,
        InvalidKeyException {// w  ww.  j a v a 2  s.  c o m

    String cookiePayload = String.valueOf(token) + String.valueOf(expires) + "@" + userId;
    Mac m = Mac.getInstance(HMAC_SHA1);
    m.init(key);
    m.update(cookiePayload.getBytes(UTF_8));
    String cookieValue = byteToHex(m.doFinal());
    return cookieValue + "@" + cookiePayload;
}

From source file:com.mastercard.mcbp.utils.crypto.CryptoServiceImpl.java

/**
 * {@inheritDoc}/*from  ww  w .  ja  v a 2  s.c  o m*/
 */
@Override
public final byte[] macSha256(byte[] dataToMac, byte[] key) throws McbpCryptoException {
    final String algorithm = "HmacSHA256";
    SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
    try {
        Mac sha256Hmac = Mac.getInstance(algorithm);
        sha256Hmac.init(secretKey);
        return sha256Hmac.doFinal(dataToMac);
    } catch (InvalidKeyException | NoSuchAlgorithmException e) {
        throw new McbpCryptoException(e.toString());
    }
}

From source file:com.iorga.iraj.security.SecurityUtils.java

public static String computeDataSignature(final String secretAccessKey, final String data)
        throws NoSuchAlgorithmException, InvalidKeyException {
    final SecretKeySpec secretKeySpec = new SecretKeySpec(secretAccessKey.getBytes(UTF8_CHARSET), "HmacSHA1");
    final Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(secretKeySpec);//from   w  w w.  j a v  a  2  s .  c o  m
    final String signature = Base64.encodeBase64String(mac.doFinal(data.getBytes(UTF8_CHARSET)));
    return StringUtils.chomp(signature);
}

From source file:jp.co.opentone.bsol.linkbinder.util.ValueFormatter.java

/**
 * ??SHA256???//from w w w .  jav  a2s  .co m
 * @param value ??
 * @param key 
 * @return ??
 */
public static String formatValueToHash(String value, String key) {
    byte[] result;
    try {
        SecretKeySpec sk = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA256");
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(sk);
        result = mac.doFinal(value.getBytes("UTF-8"));
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return new String(Hex.encodeHex(result));

}

From source file:com.here.account.auth.SignatureCalculator.java

private String generateSignature(String signatureBaseString, String signatureMethod) {
    try {/*from w ww . j  av  a 2 s  .  c om*/
        //get the bytes from the signature base string
        byte[] bytesToSign = signatureBaseString.getBytes(OAuthConstants.UTF_8_CHARSET);

        //create the signing key from the clientSecret
        byte[] keyBytes = (urlEncode(consumerSecret) + "&").getBytes(OAuthConstants.UTF_8_CHARSET);
        SecretKeySpec signingKey = new SecretKeySpec(keyBytes, signatureMethod);

        //generate signature based on the requested signature method
        Mac mac = Mac.getInstance(signatureMethod);
        mac.init(signingKey);
        byte[] signedBytes = mac.doFinal(bytesToSign);
        return Base64.encodeBase64String(signedBytes);
    } catch (Exception e) {
        throw new IllegalArgumentException(e);
    }
}

From source file:com.xeiam.xchange.mtgox.v2.service.streaming.SocketMessageFactory.java

private String signedCall(String endPoint, Map<String, String> params, String reqId)
        throws JsonProcessingException, UnsupportedEncodingException {

    long nonce = MtGoxUtils.getNonce();

    HashMap<String, Object> call = new HashMap<String, Object>(6);
    call.put("id", reqId);
    call.put("call", endPoint);
    call.put("nonce", nonce);
    call.put("params", params);

    ObjectMapper mapper = new ObjectMapper();
    String callString = mapper.writeValueAsString(call);
    String signedCall = null;//from w w  w .  ja  v a2 s.  c o m

    try {
        byte[] bsecret = Base64.decode(this.apiSecret);
        SecretKeySpec spec = new SecretKeySpec(bsecret, "HmacSHA512");
        Mac mac = Mac.getInstance("HmacSHA512");
        mac.init(spec);

        byte[] bsig = mac.doFinal(callString.getBytes());
        byte[] keyB = fromHexString(this.apiKey.replaceAll("-", ""));
        byte[] callB = callString.getBytes();

        byte[] c = new byte[bsig.length + keyB.length + callB.length];
        System.arraycopy(keyB, 0, c, 0, keyB.length);
        System.arraycopy(bsig, 0, c, keyB.length, bsig.length);
        System.arraycopy(callB, 0, c, keyB.length + bsig.length, callB.length);

        signedCall = Base64.encodeBytes(c);

    } catch (Exception e) {
        System.out.println("e!: " + e);

    }

    HashMap<String, String> msg = new HashMap<String, String>(4);
    msg.put("op", "call");
    msg.put("call", signedCall);
    msg.put("id", reqId);
    msg.put("context", "mtgox.com");

    mapper = new ObjectMapper();
    return mapper.writeValueAsString(msg);
}