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Ensure hash_update_stream() always returns the same hash when $length = 0

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Symeon Charalabides 2020-04-21 01:44:57 +02:00 • committed by Christoph M. Becker
parent 321d9d9ae3
commit d554d91ce7
1 changed files with 33 additions and 0 deletions
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33
ext/hash/tests/hash_update_stream_basic_001.phpt Normal file
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--TEST--
Ensure hash_update_stream() always returns the same hash when $length = 0
--CREDITS--
Symeon Charalabides <symeon@systasis.com> - @phpdublin
--SKIPIF--
<?php
if (!extension_loaded('openssl')) die('skip openssl extension not available');
?>
--FILE--
<?php
for ($j=0; $j<3; $j++)
{
// Create pseudo-random hash
$bytes = openssl_random_pseudo_bytes(15, $cstrong);
$hash = sha1(bin2hex($bytes));
// Create temp file with hash
$fp = tmpfile();
fwrite($fp, $hash);
rewind($fp);
// Stream it with 0 length and output hash
$ctx = hash_init('md5');
hash_update_stream($ctx, $fp, 0);
echo hash_final($ctx) . "\n";
}
?>
--EXPECT--
d41d8cd98f00b204e9800998ecf8427e
d41d8cd98f00b204e9800998ecf8427e
d41d8cd98f00b204e9800998ecf8427e