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

Stringmd5(String str)
md 
MessageDigest md5 = null;
try {
    md5 = MessageDigest.getInstance("MD5");
} catch (Exception e) {
    e.printStackTrace();
    return "";
char[] charArray = str.toCharArray();
...
Stringmd5(String str)
md 
try {
    MessageDigest md = MessageDigest.getInstance("MD5");
    md.update(str.getBytes());
    byte[] b = md.digest();
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < b.length; i++) {
        int v = (int) b[i];
        v = v < 0 ? 0x100 + v : v;
...
Stringmd5(String str)
md 
return hexEncode(md5(str.getBytes()));
Stringmd5(String str)
md 
MessageDigest md = null;
try {
    md = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
    e.printStackTrace();
md.update(str.getBytes());
byte byteData[] = md.digest();
...
Stringmd5(String str)
md 
char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
MessageDigest md5 = null;
try {
    md5 = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
    e.printStackTrace();
    throw new RuntimeException(e.getMessage());
md5.update(str.getBytes());
byte[] encodedValue = md5.digest();
int j = encodedValue.length;
char finalValue[] = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
    byte encoded = encodedValue[i];
    finalValue[k++] = hexDigits[encoded >> 4 & 0xf];
    finalValue[k++] = hexDigits[encoded & 0xf];
return new String(finalValue);
StringMD5(String str)
MD 
return MD5(str.getBytes());
byte[]md5(String str)
Determine the message digest 
try {
    MessageDigest md = getMessageDigest();
    return md.digest(str.getBytes(UTF8));
} catch (Exception e) {
    throw new RuntimeException(e);
byte[]md5(String str)
md 
java.security.MessageDigest digest;
try {
    digest = java.security.MessageDigest.getInstance("MD5");
    return digest.digest(str.getBytes());
} catch (NoSuchAlgorithmException e) {
    e.printStackTrace();
return null;
...
Stringmd5(String str)
md 
byte[] byteArray = null;
try {
    MessageDigest messageDigest = MessageDigest.getInstance("MD5");
    messageDigest.reset();
    messageDigest.update(str.getBytes("UTF-8"));
    byteArray = messageDigest.digest();
} catch (Exception e) {
    e.printStackTrace();
...
StringMD5(String str)
MD 
try {
    if (isBlank(str)) {
        return null;
    MessageDigest md = java.security.MessageDigest.getInstance("MD5");
    md.update(str.getBytes("UTF-8"));
    byte tmp[] = md.digest();
    StringBuilder sb = new StringBuilder();
...