Example usage for javax.crypto Mac init

Introduction

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

Prototype

public final void init(Key key) throws InvalidKeyException

Source Link

Document

Initializes this Mac object with the given key.

Usage

From source file:com.zimbra.cs.account.TokenUtil.java

public static String getHmac(String data, byte[] key) {
    try {/*from  www.j a v  a 2s.  c  o  m*/
        ByteKey bk = new ByteKey(key);
        Mac mac = Mac.getInstance("HmacSHA1");
        mac.init(bk);
        return new String(Hex.encodeHex(mac.doFinal(data.getBytes())));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("fatal error", e);
    } catch (InvalidKeyException e) {
        throw new RuntimeException("fatal error", e);
    }
}

From source file:com.zimbra.cs.account.PreAuthKey.java

private static String getHmac(String data, byte[] key) {
    try {//from   www .  ja va2 s  .  com
        ByteKey bk = new ByteKey(key);
        Mac mac = Mac.getInstance("HmacSHA1");
        mac.init(bk);
        return new String(Hex.encodeHex(mac.doFinal(data.getBytes())));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("fatal error", e);
    } catch (InvalidKeyException e) {
        throw new RuntimeException("fatal error", e);
    }
}

From source file:org.b3log.symphony.util.HmacSHA1.java

public static String signString(String source, String accessSecret)
        throws InvalidKeyException, IllegalStateException {
    try {/*from w  w  w  . j ava2  s .  c  o  m*/
        Mac mac = Mac.getInstance(AGLORITHM_NAME);
        mac.init(new SecretKeySpec(accessSecret.getBytes(URL_ENCODING), AGLORITHM_NAME));
        byte[] signData = mac.doFinal(source.getBytes(URL_ENCODING));

        return new String(Base64.encodeBase64(signData), URL_ENCODING);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("HMAC-SHA1 not supported.");
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException("UTF-8 not supported.");
    }
}

From source file:me.buom.shiro.util.HmacSha1.java

public static byte[] hash(byte[] privateKey, String stringToSign)
        throws NoSuchAlgorithmException, InvalidKeyException {
    // Get an hmac_sha1 key from the raw key bytes
    SecretKeySpec signingKey = new SecretKeySpec(privateKey, HMAC_SHA1_ALGORITHM);

    // Get an hmac_sha1 Mac instance and initialize with the signing key
    Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
    mac.init(signingKey);

    // Compute the hmac on input data bytes
    byte[] rawHmac = mac.doFinal(stringToSign.getBytes());

    // Convert raw bytes to Hex
    return new Hex().encode(rawHmac);
}

From source file:Main.java

public static int generate(byte[] key, long t, int digits) {
    int r = 0;/*from w w w  . java  2 s. com*/
    try {
        t /= 30;
        byte[] data = new byte[8];
        long value = t;
        for (int i = 8; i-- > 0; value >>>= 8) {
            data[i] = (byte) value;
        }

        SecretKeySpec signKey = new SecretKeySpec(key, SHA1);
        Mac mac = Mac.getInstance(SHA1);
        mac.init(signKey);
        byte[] hash = mac.doFinal(data);

        int offset = hash[20 - 1] & 0xF;

        long truncatedHash = 0;
        for (int i = 0; i < 4; ++i) {
            truncatedHash <<= 8;
            truncatedHash |= (hash[offset + i] & 0xFF);
        }

        truncatedHash &= 0x7FFFFFFF;
        truncatedHash %= Math.pow(10, digits);

        r = (int) truncatedHash;
    }

    catch (Exception e) {
    }

    return r;
}

From source file:io.milton.http.http11.auth.HmacUtils.java

public static String calcShaHash(String data, String key) {
    String result = null;/*w  ww  .j a v a 2 s  . co m*/
    try {
        Key signingKey = new SecretKeySpec(key.getBytes(), HMAC_SHA1_ALGORITHM);
        Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
        mac.init(signingKey);
        byte[] rawHmac = mac.doFinal(data.getBytes());
        result = Base64.encodeBase64URLSafeString(rawHmac);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(HMAC_SHA1_ALGORITHM, e);
    } catch (InvalidKeyException e) {
        throw new RuntimeException(HMAC_SHA1_ALGORITHM, e);
    } catch (IllegalStateException e) {
        throw new RuntimeException(HMAC_SHA1_ALGORITHM, e);
    }

    return result;
}

From source file:Main.java

public static String sign(String paramString1, String paramString2, String paramString3) {
    if (paramString3 == null)
        paramString3 = "";
    try {/*  ww w .j a v  a2 s.  c o m*/
        SecretKeySpec localSecretKeySpec = new SecretKeySpec(
                (urlencode(paramString2, "UTF8") + '&' + urlencode(paramString3, "UTF8")).getBytes("UTF8"),
                "HmacSHA1");
        Mac localMac = Mac.getInstance("HmacSHA1");
        localMac.init(localSecretKeySpec);
        String str = urlencode(
                new String(Base64.encode(localMac.doFinal(paramString1.getBytes("UTF8")), 0), "UTF8"), "UTF8");
        return str;
    } catch (InvalidKeyException localInvalidKeyException) {
        return "";
    } catch (NoSuchAlgorithmException localNoSuchAlgorithmException) {
        return "";
    } catch (UnsupportedEncodingException localUnsupportedEncodingException) {
    }
    return "";
}

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);
    return new String(Base64.encodeBase64(mac.doFinal(password.getBytes())), UTF8_STRING_ENCODING);
}

From source file:net.jingx.main.Main.java

public static String computePin(String secret, Long counter) {
    if (secret == null || secret.length() == 0) {
        return "Null or empty secret";
    }/*  www .  j av a2 s . co m*/
    try {
        final byte[] keyBytes = Base32String.decode(secret);
        Mac mac = Mac.getInstance("HMACSHA1");
        mac.init(new SecretKeySpec(keyBytes, ""));
        PasscodeGenerator pcg = new PasscodeGenerator(mac);
        if (counter == null) { // time-based totp
            return pcg.generateTimeoutCode();
        } else { // counter-based hotp
            return pcg.generateResponseCode(counter);
        }
    } catch (GeneralSecurityException e) {
        return "General security exception";
    } catch (DecodingException e) {
        return "Decoding exception";
    }
}

From source file:Main.java

public static byte[] sha256(final byte[] message, final byte[] key) {
    final Mac mac;
    try {//from  w w w.j a  v  a2s. co  m
        mac = Mac.getInstance("HmacSHA256");
        mac.init(new SecretKeySpec(key, "HmacSHA256"));
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return mac.doFinal(message);
}