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PhabricatorIteratedMD5PasswordHasher.php
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			<?php

			final class PhabricatorIteratedMD5PasswordHasher
			extends PhabricatorPasswordHasher {

			public function getHumanReadableName() {
			return pht('Iterated MD5');
			}

			public function getHashName() {
			return 'md5';
			}

			public function getHashLength() {
			return 32;
			}

			public function canHashPasswords() {
			return function_exists('md5');
			}

			public function getInstallInstructions() {
			// This should always be available, but do something useful anyway.
			return pht('To use iterated MD5, make the md5() function available.');
			}

			public function getStrength() {
			return 1.0;
			}

			public function getHumanReadableStrength() {
			return pht('Okay');
			}

			protected function getPasswordHash(PhutilOpaqueEnvelope $envelope) {
			$raw_input = $envelope->openEnvelope();

			$hash = $raw_input;
			for ($ii = 0; $ii < 1000; $ii++) {
			$hash = md5($hash);
			}

			return new PhutilOpaqueEnvelope($hash);
			}

			}