자바 md5()

1 개요[ | ]

Java md5()
자바 md5()

Java

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public class MyClass {
    static String md5(String s) {
        java.security.MessageDigest md;
        try { md = java.security.MessageDigest.getInstance("MD5"); }
        catch (Exception e) { return null; }
        md.update(s.getBytes());
        String result = (new java.math.BigInteger(1, md.digest())).toString(16);
        while(result.length()<32) { result = "0" + result; }
        return result;
    }
    public static void main(String args[]) {
        System.out.println(md5(""));
        // d41d8cd98f00b204e9800998ecf8427e
        System.out.println(md5("hello33"));
        // 005529451481309d2b8f708bbb81ea41
        System.out.println(md5("hello world"));
        // 5eb63bbbe01eeed093cb22bb8f5acdc3
    }
}

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