hatenadiary-wsse.php

<?php
$url = "http://d.hatena.ne.jp/i_ogi/atom/blog";
$user_name = "your hatena id";
$password = "your password";

$nonce = md5(mt_rand());
$created = date(DATE_ISO8601);

$x_wsse = sprintf('UsernameToken Username="%s", PasswordDigest="%s", Nonce="%s", Created="%s"',
          $user_name,
          base64_encode(sha1($nonce . $created . $password, true)),
          base64_encode($nonce),
          $created);
$context = stream_context_create(
             array('http' => array('header' => "X-WSSE: $x_wsse"))
           );

echo file_get_contents($url, 0, $context);