MD5加密 生成32位md5码
工具类:
import java.security.MessageDigest;
public class MD5Util {
/***
* MD5加密 生成32位md5码
* @param 待加密字符串
* @return 返回32位md5码
*/
public static String md5Encode(String inStr) throws Exception {
MessageDigest md5 = null;
try {
md5 = MessageDigest.getInstance("MD5");
} catch (Exception e) {
System.out.println(e.toString());
e.printStackTrace();
return "";
}
byte[] byteArray = inStr.getBytes("UTF-8");
byte[] md5Bytes = md5.digest(byteArray);
StringBuffer hexValue = new StringBuffer();
for (int i = 0; i < md5Bytes.length; i++) {
int val = ((int) md5Bytes[i]) & 0xff;
if (val < 16) {
hexValue.append("0");
}
hexValue.append(Integer.toHexString(val));
}
return hexValue.toString();
}
}
测试类:
public class Test {
public static void main(String[] args) throws Exception {
String md5Encode = MD5Util.md5Encode("123456");
System.out.println("123456加密后="+md5Encode);
}
}
结果:
注意:是生产32位的MD5码