Examples of java.security.MessageDigest.update()

java.security.MessageDigest.update()
Updates the digest using the specified byte. @param input the byte with which to update the digest.

    sha1.update(magicKeyChar);
    byte[] digest1 = sha1.digest();


    /* The second context gets the password hash XORed
     * with 0x5c plus the SHA-1 digest of the first context. */
    sha2.update(hashXOR2);
    sha2.update(digest1);
    char[] digest2 = Util.byteArrayToCharArray(sha2.digest());


    /* Now that we have digest2, use it to fetch characters from
     * an alphabet to construct our first authentication response. */

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    byte[] digest1 = sha1.digest();


    /* The second context gets the password hash XORed
     * with 0x5c plus the SHA-1 digest of the first context. */
    sha2.update(hashXOR2);
    sha2.update(digest1);
    char[] digest2 = Util.byteArrayToCharArray(sha2.digest());


    /* Now that we have digest2, use it to fetch characters from
     * an alphabet to construct our first authentication response. */
    char[] alphabet1 = "FBZDWAGHrJTLMNOPpRSKUVEXYChImkwQ".toCharArray();

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  }


  private String[] doPre0x0bEncrypt() throws NoSuchAlgorithmException {
    MessageDigest md5 = MessageDigest.getInstance("MD5");


    md5.update(password.getBytes());
    char[] result = Util.byteArrayToCharArray(md5.digest());
    char[] passwordHash = toBase64(result);


    md5.reset();
    byte[] cryptResult = crypt(password, "$1$_2S43d5f$");

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    char[] result = Util.byteArrayToCharArray(md5.digest());
    char[] passwordHash = toBase64(result);


    md5.reset();
    byte[] cryptResult = crypt(password, "$1$_2S43d5f$");
    md5.update(cryptResult);
    result = Util.byteArrayToCharArray(md5.digest());
    char[] cryptHash = toBase64(result);


    int sv = seed[15] % 8;
    char checksum = 0;

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            + yahooId;
        break;
    }


    md5.reset();
    md5.update(hashStringP.getBytes());
    result = Util.byteArrayToCharArray(md5.digest());
    char[] result6 = toBase64(result);


    md5.reset();
    md5.update(hashStringC.getBytes());

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    md5.update(hashStringP.getBytes());
    result = Util.byteArrayToCharArray(md5.digest());
    char[] result6 = toBase64(result);


    md5.reset();
    md5.update(hashStringC.getBytes());
    result = Util.byteArrayToCharArray(md5.digest());
    char[] result96 = toBase64(result);


    String ret[] = new String[2];
    ret[0] = new String(result6);

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    // Prepare for the real work.
    MessageDigest md1 = MessageDigest.getInstance("MD5");


    // Add the key string.
    md1.update(key.getBytes());


    // Because the SALT argument need not always have the salt prefix we
    // add it separately.
    md1.update(md5SaltPrefix.getBytes());

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    // Add the key string.
    md1.update(key.getBytes());


    // Because the SALT argument need not always have the salt prefix we
    // add it separately.
    md1.update(md5SaltPrefix.getBytes());


    // The last part is the salt string.  This must be at most 8
    // characters and it ends at the first `$' character (for
    // compatibility which existing solutions).
    md1.update(salt.getBytes(), 0, saltLen);

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    md1.update(md5SaltPrefix.getBytes());


    // The last part is the salt string.  This must be at most 8
    // characters and it ends at the first `$' character (for
    // compatibility which existing solutions).
    md1.update(salt.getBytes(), 0, saltLen);


    /* Compute alternate MD5 sum with input KEY, SALT, and KEY.  The
    final result will be added to the first context.  */
    MessageDigest md2 = MessageDigest.getInstance("MD5");

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    /* Compute alternate MD5 sum with input KEY, SALT, and KEY.  The
    final result will be added to the first context.  */
    MessageDigest md2 = MessageDigest.getInstance("MD5");


    // Add key.
    md2.update(key.getBytes());


    // Add salt.
    md2.update(salt.getBytes(), 0, saltLen);


    // Add key again.

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