Java で MD5 文字列を求めるプログラム

コード下記

public class MD5 {

public static String encode(byte[] source) {
String s = null;
char hexDigits[] = { '0’, '1’, '2’, '3’, '4’, '5’, '6’, '7’, '8’, '9’, 'a’, 'b’, 'c’, 'd’, 'e’, 'f’ };
try {
java.security.MessageDigest md = java.security.MessageDigest.getInstance(“MD5");
md.update(source);
byte tmp[] = md.digest();
char str[] = new char[16 * 2];
int k = 0;
for (int i = 0; i < 16; i++) {
byte byte0 = tmp[i];
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
s = new String(str);
} catch (Exception e) {
e.printStackTrace();
}
return s;
}

public static String getMD5(String source) {
return (source == null || “".equals(source)) ? “" : getMD5(source);
}
}

Java

Posted by arkgame