Example usage for java.security NoSuchAlgorithmException printStackTrace

Introduction

In this page you can find the example usage for java.security NoSuchAlgorithmException printStackTrace.

Prototype

public void printStackTrace()

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:com.wootric.androidsdk.utils.SHAUtil.java

public static String buildUniqueLink(String accountToken, String endUserEmail, long date, String randomString) {
    String unixTimestamp = String.valueOf(date);
    String randomText = randomString;

    String text = accountToken + endUserEmail + unixTimestamp + randomText;

    MessageDigest mDigest = null;

    String uniqueLink = null;//  w ww . ja  v a2s . c o  m
    try {
        mDigest = MessageDigest.getInstance("SHA-256");
        byte[] result = mDigest.digest(text.getBytes());
        uniqueLink = new String(Hex.encodeHex(result));
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }

    return uniqueLink;
}

From source file:Main.java

public static String getSignatureString(Signature sig, String type) {
    byte[] hexBytes = sig.toByteArray();
    String fingerprint = "error!";
    try {//  w ww.j a  v a 2s.c  om
        MessageDigest digest = MessageDigest.getInstance(type);
        if (digest != null) {
            byte[] digestBytes = digest.digest(hexBytes);
            StringBuilder sb = new StringBuilder();
            for (byte digestByte : digestBytes) {
                sb.append((Integer.toHexString((digestByte & 0xFF) | 0x100)).substring(1, 3));
            }
            fingerprint = sb.toString();
        }
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }

    return fingerprint;
}

From source file:org.opencb.commons.utils.CryptoUtils.java

public static byte[] encryptSha1(String strToEncrypt) {
    byte[] digest = null;
    try {//from   ww w.  jav  a2s  . c o  m
        MessageDigest instance = MessageDigest.getInstance("SHA-256");
        digest = instance.digest(strToEncrypt.getBytes());
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return digest;
}

From source file:com.lingxiang2014.util.RSAUtils.java

public static KeyPair generateKeyPair() {
    try {//from   w  w w.  j av  a2 s  .  com
        KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA", PROVIDER);
        keyPairGenerator.initialize(KEY_SIZE, new SecureRandom());
        return keyPairGenerator.generateKeyPair();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static byte[] hash(String message) {
    MessageDigest cript = null;/*from  ww w .  j  a v  a 2 s. co m*/
    try {
        cript = MessageDigest.getInstance("SHA-1");
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }
    cript.reset();
    try {
        cript.update(message.getBytes("utf8"));
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
        return null;
    }
    return cript.digest();
}

From source file:support.AuthManager.java

public static String md5Custom(String st) {
    MessageDigest messageDigest = null;
    byte[] digest = new byte[0];

    try {//from   ww w .java 2s  .  c  om
        messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.reset();
        messageDigest.update(st.getBytes(StandardCharsets.UTF_8));
        digest = messageDigest.digest();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }

    BigInteger bigInt = new BigInteger(1, digest);
    String md5Hex = bigInt.toString(16);

    while (md5Hex.length() < 32) {
        md5Hex = "0" + md5Hex;
    }

    return md5Hex;
}

From source file:Main.java

public static String enCrypto(String txt, String key) {

    if (txt != null && !"".equals(txt) && !"null".equals(txt)) {

        try {//from   w  w  w. j a v  a2s.c  o  m

            StringBuffer sb = new StringBuffer();
            DESKeySpec desKeySpec = new DESKeySpec(key.getBytes());
            SecretKeyFactory skeyFactory = null;
            Cipher cipher = null;
            try {
                skeyFactory = SecretKeyFactory.getInstance("DES");
                cipher = Cipher.getInstance("DES");
            } catch (NoSuchAlgorithmException e) {
                e.printStackTrace();
            }
            SecretKey deskey = skeyFactory.generateSecret(desKeySpec);
            cipher.init(Cipher.ENCRYPT_MODE, deskey);
            byte[] cipherText = cipher.doFinal(txt.getBytes());
            for (int n = 0; n < cipherText.length; n++) {
                String stmp = (java.lang.Integer.toHexString(cipherText[n] & 0XFF));
                if (stmp.length() == 1) {
                    sb.append("0" + stmp);
                } else {
                    sb.append(stmp);
                }
            }
            return sb.toString().toUpperCase(Locale.US);

        } catch (Exception e) {

            e.printStackTrace();
        }
    }
    return null;
}

From source file:Main.java

public static String getFileMacEncrypt(File file, SecretKey key) throws IOException {
    String algorithm = key.getAlgorithm();
    Mac mac = null;/* w  w  w. j  a  v  a 2 s . c o m*/
    try {
        mac = Mac.getInstance(algorithm);
        mac.init(key);
        FileInputStream in = new FileInputStream(file);
        byte[] buffer = new byte[1024 * 1024];
        int len = 0;
        while ((len = in.read(buffer)) > 0) {
            mac.update(buffer, 0, len);
        }
        in.close();
        return bytes2String(mac.doFinal());
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:com.mingsoft.weixin.http.WeixinSSLSocketFactory.java

private static SSLContext createSContext() {
    SSLContext sslcontext = null;
    try {/*from  www.j a  va2 s. co  m*/
        sslcontext = SSLContext.getInstance("SSL");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    try {
        sslcontext.init(null, new TrustManager[] { new TrustAnyTrustManager() }, null);
    } catch (KeyManagementException e) {
        e.printStackTrace();
        return null;
    }
    return sslcontext;
}

From source file:Main.java

private static byte[] computeHash(String x) {
    java.security.MessageDigest d = null;
    try {//from   w ww  . ja  v  a2s.co m
        d = java.security.MessageDigest.getInstance("SHA-1");
        d.reset();
        d.update(x.getBytes());
        return d.digest();
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }

}