Java Utililty Methods MD5 String

List of utility methods to do MD5 String

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Description

The list of methods to do MD5 String are organized into topic(s).

Method

Stringmd5Digest(String word)
md Digest 
try {
    MessageDigest md = MessageDigest.getInstance("MD5");
    md.update(word.getBytes());
    byte[] byteData = md.digest();
    StringBuilder hexString = new StringBuilder();
    for (int i = 0; i < byteData.length; i++) {
        String hex = Integer.toHexString(0xff & byteData[i]);
        if (hex.length() == 1)
...
Stringmd5DigestPassword(String password)
Creates a MD5 digest String from a given password. 
try {
    MessageDigest md = MessageDigest.getInstance("MD5");
    return hexEncode(md.digest(password.getBytes()));
} catch (NoSuchAlgorithmException e) {
    throw new RuntimeException("No MD5 algorithm present on the system");
Stringmd5EncriptionPassword(String str)
md Encription Password 
if (str == null || str.length() == 0) {
    throw new IllegalArgumentException("String to encript cannot be null or zero length");
digester.update(str.getBytes());
byte[] hash = digester.digest();
StringBuffer hexString = new StringBuffer();
for (int i = 0; i < hash.length; i++) {
    if ((0xff & hash[i]) < 0x10) {
...
Stringmd5encrypt(String phrase)
mdencrypt 
return generateHash(phrase, "MD5");
Stringmd5Encrypt(String str)
md Encrypt 
if (str == null)
    return str;
MessageDigest localMessageDigest = null;
try {
    localMessageDigest = MessageDigest.getInstance(MD5_DIGEST);
} catch (NoSuchAlgorithmException e) {
    throw new RuntimeException(e);
localMessageDigest.update(str.getBytes());
byte[] arrayOfByte = localMessageDigest.digest();
return byte2Hex(arrayOfByte);
Stringmd5Encrypt(String str)
md Encrypt 
byte[] bytes = null;
try {
    bytes = str.getBytes("UTF-8");
} catch (Exception e) {
    bytes = str.getBytes();
byte messageDigest[] = null;
synchronized (m_md5) {
...
Stringmd5Encryption(String str)
md Encryption 
byte[] newStr = null;
try {
    MessageDigest md5 = MessageDigest.getInstance("MD5");
    Encoder base = Base64.getEncoder();
    newStr = base.encode(md5.digest(str.getBytes("UTF-8")));
} catch (Exception e) {
    e.printStackTrace();
return newStr.toString();
Stringmd5File(File f)
md File 
MessageDigest md = null;
InputStream is = null;
try {
    md = MessageDigest.getInstance("MD5");
    is = new FileInputStream(f);
    is = new DigestInputStream(is, md);
    byte[] buffer = new byte[4096];
    while (is.read(buffer) != -1) {
...
Stringmd5file(File file)
mdfile 
byte[] _bytes = null;
InputStream is = new FileInputStream(file);
MessageDigest digest = MessageDigest.getInstance("MD5");
byte[] buffer = new byte[8192];
int read = 0;
while ((read = is.read(buffer)) > 0) {
    digest.update(buffer, 0, read);
_bytes = digest.digest();
if (is != null) {
    is.close();
    is = null;
return new BigInteger(1, _bytes).toString(16);
Stringmd5FromFile(File file)
md From File 
if (!file.exists()) {
    return "";
MessageDigest md = null;
try {
    md = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
    e.printStackTrace();
...