Example usage for java.security MessageDigest digest

Introduction

In this page you can find the example usage for java.security MessageDigest digest.

Prototype

public byte[] digest(byte[] input)

Source Link

Document

Performs a final update on the digest using the specified array of bytes, then completes the digest computation.

Usage

From source file:com.myb.portal.util.Digests.java

/**
 * , ?md5sha1.//from   w w  w  .j  a v a  2 s  . co  m
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        MessageDigest digest = MessageDigest.getInstance(algorithm);

        if (salt != null) {
            digest.update(salt);
        }

        byte[] result = digest.digest(input);

        for (int i = 1; i < iterations; i++) {
            digest.reset();
            result = digest.digest(result);
        }
        return result;
    } catch (GeneralSecurityException e) {
        //         throw Exceptions.unchecked(e);
    }
    return salt;
}

From source file:edu.cornell.mannlib.vitro.webapp.controller.authenticate.Authenticator.java

/**
 * Apply MD5 to this string, and encode as a string of hex digits. Just
 * right for storing passwords in the database, or hashing the password
 * link.//www .  j  a va2  s . c o m
 */
public static String applyMd5Encoding(String raw) {
    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] digest = md.digest(raw.getBytes());
        char[] hexChars = Hex.encodeHex(digest);
        return new String(hexChars).toUpperCase();
    } catch (NoSuchAlgorithmException e) {
        // This can't happen with a normal Java runtime.
        throw new RuntimeException(e);
    }
}

From source file:com.thinkgem.jeesite.modules.sso.util.Digests.java

/**
 * , ?md5sha1.// w  ww. j a  va  2 s. c o m
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        MessageDigest digest = MessageDigest.getInstance(algorithm);

        if (salt != null) {
            digest.update(salt);
        }

        byte[] result = digest.digest(input);

        for (int i = 1; i < iterations; i++) {
            digest.reset();
            result = digest.digest(result);
        }
        return result;
    } catch (GeneralSecurityException e) {
        return "".getBytes();
    }
}

From source file:SecureHash.java

/**
 * Get the hash of the supplied content, using the digest identified by the supplied name.
 * /*from  w w  w.j a v a2s .  c o m*/
 * @param digestName the name of the hashing function (or {@link MessageDigest message digest}) that should be used
 * @param content the content to be hashed; may not be null
 * @return the hash of the contents as a byte array
 * @throws NoSuchAlgorithmException if the supplied algorithm could not be found
 */
public static byte[] getHash(String digestName, byte[] content) throws NoSuchAlgorithmException {
    MessageDigest digest = MessageDigest.getInstance(digestName);
    assert digest != null;
    return digest.digest(content);
}

From source file:com.googlecode.osde.internal.utils.OpenSocialUtil.java

public static ApplicationInformation createApplicationInformation(IFile file)
        throws CoreException, ParserException {
    try {/*from   w w w.j av a2s .c om*/
        Parser<Module> parser = ParserFactory.gadgetSpecParser();
        Module module = parser.parse(file.getContents());

        String path = file.getFullPath().toPortableString();
        MessageDigest digest = MessageDigest.getInstance("MD5");
        byte[] hash = digest.digest(path.getBytes("UTF-8"));
        String appId = Gadgets.toHexString(hash);
        String consumerKey = "osde:" + path;
        digest.reset();
        hash = digest.digest(consumerKey.getBytes("UTF-8"));
        String consumerSecret = Gadgets.toHexString(hash);
        ApplicationInformation info = new ApplicationInformation();
        info.setAppId(appId);
        info.setModule(module);
        info.setPath(file.getFullPath().toPortableString());
        info.setConsumerKey(consumerKey);
        info.setConsumerSecret(consumerSecret);
        return info;
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(e);
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException(e);
    }
}

From source file:com.googlecode.osde.internal.utils.OpenSocialUtil.java

public static ApplicationInformation createApplicationInformation(String url)
        throws CoreException, ParserException, IOException {
    try {//from  w  w  w.  jav  a2  s . com
        Parser<Module> parser = ParserFactory.gadgetSpecParser();
        Module module = parser.parse(new URL(url).openStream());

        MessageDigest digest = MessageDigest.getInstance("MD5");
        byte[] hash = digest.digest(url.getBytes("UTF-8"));
        String appId = Gadgets.toHexString(hash);
        String consumerKey = "osde:" + url;
        digest.reset();
        hash = digest.digest(consumerKey.getBytes("UTF-8"));
        String consumerSecret = Gadgets.toHexString(hash);
        ApplicationInformation info = new ApplicationInformation();
        info.setAppId(appId);
        info.setModule(module);
        info.setPath(url);
        info.setConsumerKey(consumerKey);
        info.setConsumerSecret(consumerSecret);
        return info;
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(e);
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException(e);
    } catch (MalformedURLException e) {
        throw new IllegalStateException(e);
    }
}

From source file:net.cloudkit.enterprises.infrastructure.utilities.DigestsHelper.java

/**
 * , ?md5sha1.//w  ww . ja v a 2 s. co m
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        MessageDigest digest = MessageDigest.getInstance(algorithm);

        if (salt != null) {
            digest.update(salt);
        }

        byte[] result = digest.digest(input);

        for (int i = 1; i < iterations; i++) {
            digest.reset();
            result = digest.digest(result);
        }
        return result;
    } catch (GeneralSecurityException e) {
        throw ExceptionHelper.unchecked(e);
    }
}

From source file:com.anybuy.util.DigestUtil.java

/**
 * , ?md5sha1./*ww  w. j  ava 2s  .c o m*/
 */
private static byte[] digest(byte[] input, String algorithm, byte[] salt, int iterations) {
    try {
        MessageDigest digest = MessageDigest.getInstance(algorithm);

        if (salt != null) {
            digest.update(salt);
        }

        byte[] result = digest.digest(input);

        for (int i = 1; i < iterations; i++) {
            digest.reset();
            result = digest.digest(result);
        }
        return result;
    } catch (GeneralSecurityException e) {
        throw ExceptionUtil.unchecked(e);
    }
}

From source file:com.google.gerrit.server.mail.send.FromAddressGeneratorProvider.java

private static String hashOf(String data) {
    try {/*  w  w  w.  ja  v  a  2  s .  c o m*/
        MessageDigest hash = MessageDigest.getInstance("MD5");
        byte[] bytes = hash.digest(data.getBytes(UTF_8));
        return Base64.encodeBase64URLSafeString(bytes);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("No MD5 available", e);
    }
}

From source file:Main.java

public static String getHash(String stringToHash) {

    MessageDigest digest = null;
    try {/*w ww .j  a va  2s  . c  om*/
        digest = MessageDigest.getInstance("SHA-1");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }

    byte[] result = null;

    try {
        result = digest.digest(stringToHash.getBytes("UTF-8"));
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }

    StringBuilder sb = new StringBuilder();

    for (byte b : result) {
        sb.append(String.format("%02X", b));
    }

    String messageDigest = sb.toString();
    return messageDigest;
}