Android 平台java md5
public class MD5Util {
public static String getMD5(String str) {
try
{
// Create MD5 Hash
MessageDigest md5 = java.security.MessageDigest.getInstance("MD5");
md5.update(str.getBytes());
byte messageDigest[] = md5.digest();
String resultArray = byteArrayToHex(messageDigest);
return resultArray;
}
catch (NoSuchAlgorithmException e)
{
e.printStackTrace();
}
return "";
}
public static String byteArrayToHex(byte[] byteArray) {
char[] hexDigits = {'0','1','2','3','4','5','6','7','8','9', 'A','B','C','D','E','F' };
char[] resultCharArray =new char[byteArray.length * 2];
int index = 0;
for (byte b : byteArray) {
resultCharArray[index++] = hexDigits[b>>>4 & 0xf];
resultCharArray[index++] = hexDigits[b & 0xf];
}
return new String(resultCharArray);
}
}
