Android Utililty Methods MD5 Encode

List of utility methods to do MD5 Encode

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Description

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

Method

StringgetMD5Str(String str)
get MD Str 
MessageDigest messageDigest = null;
try {
    messageDigest = MessageDigest.getInstance("MD5");
    messageDigest.reset();
    messageDigest.update(str.getBytes("UTF-8"));
} catch (NoSuchAlgorithmException e) {
    return null;
} catch (UnsupportedEncodingException e) {
...
StringMD5(String text)
private stuff for converting strings to md5. 
MessageDigest md;
md = MessageDigest.getInstance("MD5");
byte[] md5hash = new byte[32];
md.update(text.getBytes("UTF-8"), 0, text.length());
md5hash = md.digest();
return convertToHex(md5hash);
StringstringGetMD5String(String s)
string Get MD String 
byte[] data;
MessageDigest md5;
try {
    data = s.getBytes("UTF-8");
    md5 = MessageDigest.getInstance("MD5");
} catch (Exception e) {
    return null;
byte[] hash = md5.digest(data);
StringBuilder hashStr = new StringBuilder();
for (byte byteValue : hash) {
    hashStr.append(String.format("%02x", byteValue));
return hashStr.toString();
StringbyteMd5(String plainText, Boolean is16)
byte Md 
StringBuffer buf = new StringBuffer();
try {
    MessageDigest md = MessageDigest.getInstance("MD5");
    md.update(plainText.getBytes());
    byte b[] = md.digest();
    int i;
    for (int offset = 0; offset < b.length; offset++) {
        i = b[offset];
...
StringgetMD5(byte[] source)
get MD 
try {
    MessageDigest md5 = MessageDigest.getInstance("MD5");
    StringBuffer result = new StringBuffer();
    for (byte b : md5.digest(source)) {
        result.append(Integer.toHexString((b & 0xf0) >>> 4));
        result.append(Integer.toHexString(b & 0x0f));
    return result.toString();
...
Stringmd5(String string)
md 
if (string == null || string.trim().length() < 1) {
    return null;
try {
    return getMD5(string.getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
    throw new RuntimeException(e.getMessage(), e);
StringcreateHMACWithMD5(String source, String key)
create HMAC With MD 
Mac hmac = Mac.getInstance("HmacMD5");
SecretKeySpec secretKey = new SecretKeySpec(key.getBytes(),
        hmac.getAlgorithm());
hmac.init(secretKey);
byte[] signature = hmac.doFinal(source.getBytes());
return Base64.encodeToString(signature, Base64.DEFAULT);
Stringmd5(String text)
md 
if (text == null) {
    return null;
} else {
    try {
        byte[] bytesOfMessage = text.getBytes();
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        byte[] hash = md5.digest(bytesOfMessage);
        StringBuilder hexDigest = new StringBuilder();
...
StringencryptByUsingMd5(String passwd)
encrypt By Using Md 
try {
    MessageDigest sha = MessageDigest.getInstance("MD5");
    byte[] tmp = passwd.getBytes();
    sha.update(tmp);
    return new String(sha.digest());
} catch (java.security.NoSuchAlgorithmException e) {
    System.out.println("Rats, MD5 doesn't exist");
    System.out.println(e.toString());
...
Stringmd5(String input)
md 
String res = "";
try {
    MessageDigest algorithm = MessageDigest.getInstance("MD5");
    algorithm.reset();
    algorithm.update(input.getBytes());
    byte[] md5 = algorithm.digest();
    String tmp = "";
    for (int i = 0; i < md5.length; i++) {
...