/**
* MD5加密
* @param plainText
* @return
*/
public String Md5(String plainText) {
String md5="";
try {
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(plainText.getBytes());
byte b[] = md.digest();
int i;
StringBuffer buf = new StringBuffer("");
for (int offset = 0; offset < b.length; offset++) {
i = b[offset];
if(i<0) i+= 256;
if(i<16)
buf.append("0");
buf.append(Integer.toHexString(i));
}
//返回32位加密
md5=buf.toString();
} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return md5;
}
java的MD5加密
最新推荐文章于 2024-08-03 10:07:50 发布