Example usage for java.math BigInteger toString

Introduction

In this page you can find the example usage for java.math BigInteger toString.

Prototype

public String toString(int radix) 

Source Link

Document

Returns the String representation of this BigInteger in the given radix.

Usage

From source file:com.raphfrk.craftproxyclient.net.protocol.p17xlogin.P17xLoginProtocol.java

private static String SHA1Hash(Object[] input) {
    try {//from  ww  w .  ja  va2  s .  c om
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        md.reset();

        for (Object o : input) {
            if (o instanceof String) {
                md.update(((String) o).getBytes("ISO_8859_1"));
            } else if (o instanceof byte[]) {
                md.update((byte[]) o);
            } else {
                return null;
            }
        }

        byte[] digest = md.digest();

        BigInteger bigInt = new BigInteger(digest);

        return bigInt.toString(16);
    } catch (Exception ioe) {
        return null;
    }
}

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From source file:MainFrame.HttpCommunicator.java

public static String md5Custom(String st) {
    MessageDigest messageDigest = null;
    byte[] digest = new byte[0];
    try {/*from www  .j a v a 2 s  . c o m*/
        messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.reset();
        messageDigest.update(st.getBytes());
        digest = messageDigest.digest();
    } catch (NoSuchAlgorithmException e) {
        System.err.printf("MD-5 error");
    }

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

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

    return md5Hex;
}

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From source file:org.jspringbot.keyword.expression.ELUtils.java

public static String md5(String str) throws NoSuchAlgorithmException {
    MessageDigest digest = MessageDigest.getInstance("MD5");
    byte[] data = str.getBytes();
    digest.update(data, 0, data.length);
    BigInteger i = new BigInteger(1, digest.digest());

    return i.toString(16);
}

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From source file:org.apache.accumulo.master.tableOps.Utils.java

static String getNextTableId(String tableName, Instance instance) throws ThriftTableOperationException {

    String tableId = null;/*from   w ww.ja v a 2  s.  com*/
    try {
        IZooReaderWriter zoo = ZooReaderWriter.getRetryingInstance();
        final String ntp = ZooUtil.getRoot(instance) + Constants.ZTABLES;
        byte[] nid = zoo.mutate(ntp, ZERO_BYTE, ZooUtil.PUBLIC, new Mutator() {
            @Override
            public byte[] mutate(byte[] currentValue) throws Exception {
                BigInteger nextId = new BigInteger(new String(currentValue, Constants.UTF8),
                        Character.MAX_RADIX);
                nextId = nextId.add(BigInteger.ONE);
                return nextId.toString(Character.MAX_RADIX).getBytes(Constants.UTF8);
            }
        });
        return new String(nid, Constants.UTF8);
    } catch (Exception e1) {
        Logger.getLogger(CreateTable.class).error("Failed to assign tableId to " + tableName, e1);
        throw new ThriftTableOperationException(tableId, tableName, TableOperation.CREATE,
                TableOperationExceptionType.OTHER, e1.getMessage());
    }
}

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From source file:watne.seis720.project.AES_Utilities.java

/**
 * Get a String representing the given array of bytes as a hexadecimal
 * number. Code adapted from <a/*from w w w .ja va  2s.  com*/
 * href="http://www.exampledepot.com/egs/java.math/Bytes2Str.html">Parsing
 * and Formatting a Byte Array into Binary, Octal, and Hexadecimal (Java
 * Developers Almanac Example)</a>
 * @param bytes the sequence of bytes for which the hexadecimal String
 * representation will be given.
 * @return a String representing the given array of bytes as a hexadecimal
 * number.
 */
public static String getHexString(byte[] bytes) {
    String hexString = null;
    BigInteger bigInt = new BigInteger(bytes);
    hexString = bigInt.toString(16); // Get base 16 (hexadecimal)
    // representation.

    if (hexString.length() % 2 != 0) {
        // Make sure an even number of characters: start with a zero.
        hexString = "0" + hexString;
    }

    return hexString;
}

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From source file:org.wso2.carbon.apimgt.gateway.handlers.analytics.APIMgtGoogleAnalyticsTrackingHandler.java

/**
 * /*from  w w w. j a v a2s  .c  om*/
 * Generate a visitor id for this hit. If there is a visitor id in the
 * messageContext, use that. Otherwise use a random number.
 * 
 */
private static String getVisitorId(String account, String userAgent, MessageContext msgCtx)
        throws NoSuchAlgorithmException, UnsupportedEncodingException {

    if (msgCtx.getProperty(COOKIE_NAME) != null) {
        return (String) msgCtx.getProperty(COOKIE_NAME);
    }
    String message;

    AuthenticationContext authContext = APISecurityUtils.getAuthenticationContext(msgCtx);
    if (authContext != null) {
        message = authContext.getApiKey();
    } else {
        message = ANONYMOUS_USER_ID;
    }

    MessageDigest m = MessageDigest.getInstance("MD5");
    m.update(message.getBytes("UTF-8"), 0, message.length());
    byte[] sum = m.digest();
    BigInteger messageAsNumber = new BigInteger(1, sum);
    String md5String = messageAsNumber.toString(16);

    /* Pad to make sure id is 32 characters long. */
    while (md5String.length() < 32) {
        md5String = "0" + md5String;
    }

    return "0x" + md5String.substring(0, 16);
}

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From source file:tw.com.ksmt.cloud.libs.Utils.java

public static String getMD5(String input) {
    try {/*from   w w w. jav  a  2  s. c o  m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] messageDigest = md.digest(input.getBytes());
        BigInteger number = new BigInteger(1, messageDigest);
        String md5 = number.toString(16);
        while (md5.length() < 32) {
            md5 = "0" + md5;
        }
        return md5;
    } catch (NoSuchAlgorithmException e) {
        Log.e("MD5", e.getLocalizedMessage());
        return null;
    }
}

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From source file:org.deri.pipes.utils.HttpResponseCache.java

/**
 * @param string//from  w w  w .  j ava2s  .c o  m
 * @return
 */
static String getMD5(String string) {
    try {
        MessageDigest digest = MessageDigest.getInstance("MD5");
        BigInteger bigInt = new BigInteger(1, digest.digest(string.getBytes("UTF-8")));
        String md5 = bigInt.toString(16);
        if (logger.isDebugEnabled()) {
            logger.debug("using md5=[" + md5 + "] for " + string);
        }
        return md5;
    } catch (Throwable t) {
        logger.info("couldn't calculate md5 because:" + t, t);
        return string;
    }
}

---

From source file:com.cloud.test.utils.UtilsForTest.java

public static String createMD5String(String password) {
    MessageDigest md5;/*from w ww. j a  v  a2 s. c o  m*/
    try {
        md5 = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new CloudRuntimeException("Error", e);
    }

    md5.reset();
    BigInteger pwInt = new BigInteger(1, md5.digest(password.getBytes()));

    // make sure our MD5 hash value is 32 digits long...
    StringBuffer sb = new StringBuffer();
    String pwStr = pwInt.toString(16);
    int padding = 32 - pwStr.length();
    for (int i = 0; i < padding; i++) {
        sb.append('0');
    }
    sb.append(pwStr);
    return sb.toString();
}

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From source file:cz.muni.fi.airportservicelayer.services.StewardServiceImpl.java

private static String toHex(byte[] array) {
    BigInteger bi = new BigInteger(1, array);
    String hex = bi.toString(16);
    int paddingLength = (array.length * 2) - hex.length();
    return paddingLength > 0 ? String.format("%0" + paddingLength + "d", 0) + hex : hex;
}

---

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