mirror of
https://github.com/danog/tgseclib.git
synced 2024-12-13 01:27:41 +01:00
394 lines
18 KiB
PHP
394 lines
18 KiB
PHP
<?php
|
|
/**
|
|
* @author Andreas Fischer <bantu@phpbb.com>
|
|
* @copyright 2012 Andreas Fischer
|
|
* @license http://www.opensource.org/licenses/mit-license.html MIT License
|
|
*/
|
|
|
|
use phpseclib\Crypt\Hash;
|
|
|
|
class Unit_Crypt_HashTest extends PhpseclibTestCase
|
|
{
|
|
protected function assertHashesTo($hash, $message, $expected)
|
|
{
|
|
$hash = new Hash($hash);
|
|
|
|
$this->assertSame(
|
|
strtolower($expected),
|
|
bin2hex($hash->hash($message)),
|
|
sprintf("Failed asserting that '%s' hashes to '%s'.", $message, $expected)
|
|
);
|
|
}
|
|
|
|
protected function assertHMACsTo($hash, $key, $message, $expected)
|
|
{
|
|
$hash = new Hash($hash);
|
|
$hash->setKey($key);
|
|
|
|
$this->assertSame(
|
|
strtolower($expected),
|
|
bin2hex($hash->hash($message)),
|
|
sprintf(
|
|
"Failed asserting that '%s' HMACs to '%s' with key '%s'.",
|
|
$message,
|
|
$expected,
|
|
$key
|
|
)
|
|
);
|
|
}
|
|
|
|
public static function hashData()
|
|
{
|
|
return array(
|
|
array('md5', '', 'd41d8cd98f00b204e9800998ecf8427e'),
|
|
array('md5', 'The quick brown fox jumps over the lazy dog', '9e107d9d372bb6826bd81d3542a419d6'),
|
|
array('md5', 'The quick brown fox jumps over the lazy dog.', 'e4d909c290d0fb1ca068ffaddf22cbd0'),
|
|
array('sha1', 'The quick brown fox jumps over the lazy dog', '2fd4e1c67a2d28fced849ee1bb76e7391b93eb12'),
|
|
array('sha1', 'The quick brown fox jumps over the lazy dog.', '408d94384216f890ff7a0c3528e8bed1e0b01621'),
|
|
array(
|
|
'sha256',
|
|
'',
|
|
'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855'
|
|
),
|
|
array(
|
|
'sha256',
|
|
'The quick brown fox jumps over the lazy dog',
|
|
'd7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592',
|
|
),
|
|
array(
|
|
'sha256',
|
|
'The quick brown fox jumps over the lazy dog.',
|
|
'ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c',
|
|
),
|
|
array(
|
|
'sha384',
|
|
'',
|
|
'38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b'
|
|
),
|
|
array(
|
|
'sha384',
|
|
'The quick brown fox jumps over the lazy dog',
|
|
'ca737f1014a48f4c0b6dd43cb177b0afd9e5169367544c494011e3317dbf9a509cb1e5dc1e85a941bbee3d7f2afbc9b1',
|
|
),
|
|
array(
|
|
'sha512',
|
|
'',
|
|
'cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e'
|
|
),
|
|
array(
|
|
'sha512',
|
|
'The quick brown fox jumps over the lazy dog',
|
|
'07e547d9586f6a73f73fbac0435ed76951218fb7d0c8d788a309d785436bbb642e93a252a954f23912547d1e8a3b5ed6e1bfd7097821233fa0538f3db854fee6',
|
|
),
|
|
array(
|
|
'sha512',
|
|
'The quick brown fox jumps over the lazy dog.',
|
|
'91ea1245f20d46ae9a037a989f54f1f790f0a47607eeb8a14d12890cea77a1bbc6c7ed9cf205e67b7f2b8fd4c7dfd3a7a8617e45f3c463d481c7e586c39ac1ed',
|
|
),
|
|
// from http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA512_224.pdf
|
|
array(
|
|
'sha512/224',
|
|
'abc',
|
|
'4634270f707b6a54daae7530460842e20e37ed265ceee9a43e8924aa'
|
|
),
|
|
array(
|
|
'sha512/224',
|
|
'abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
|
|
'23fec5bb94d60b23308192640b0c453335d664734fe40e7268674af9'
|
|
),
|
|
// from http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA512_256.pdf
|
|
array(
|
|
'sha512/256',
|
|
'abc',
|
|
'53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23'
|
|
),
|
|
array(
|
|
'sha512/256',
|
|
'abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
|
|
'3928e184fb8690f840da3988121d31be65cb9d3ef83ee6146feac861e19b563a'
|
|
),
|
|
// from http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA224.pdf
|
|
array(
|
|
'sha224',
|
|
'abc',
|
|
'23097D223405D8228642A477BDA255B32AADBCE4BDA0B3F7E36C9DA7'
|
|
),
|
|
array(
|
|
'sha224',
|
|
'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq',
|
|
'75388B16512776CC5DBA5DA1FD890150B0C6455CB4F58B1952522525'
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @dataProvider hmacData()
|
|
*/
|
|
public function testHMAC($hash, $key, $message, $result)
|
|
{
|
|
$this->assertHMACsTo($hash, $key, $message, $result);
|
|
}
|
|
|
|
/**
|
|
* @dataProvider hmacData()
|
|
*/
|
|
public function testHMAC96($hash, $key, $message, $result)
|
|
{
|
|
$this->assertHMACsTo($hash . '-96', $key, $message, substr($result, 0, 24));
|
|
}
|
|
|
|
public static function hmacData()
|
|
{
|
|
return array(
|
|
array('md5', '', '', '74e6f7298a9c2d168935f58c001bad88'),
|
|
array('md5', 'key', 'The quick brown fox jumps over the lazy dog', '80070713463e7749b90c2dc24911e275'),
|
|
|
|
// from https://tools.ietf.org/rfc/rfc4231.txt
|
|
// test case 1
|
|
array(
|
|
'sha224',
|
|
str_repeat("\x0b", 20),
|
|
'Hi There',
|
|
'896fb1128abbdf196832107cd49df33f47b4b1169912ba4f53684b22',
|
|
),
|
|
// test case 2
|
|
array(
|
|
'sha224',
|
|
'Jefe',
|
|
'what do ya want for nothing?',
|
|
'a30e01098bc6dbbf45690f3a7e9e6d0f8bbea2a39e6148008fd05e44',
|
|
),
|
|
// test case 3
|
|
array(
|
|
'sha224',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
pack('H*', 'dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'),
|
|
'7fb3cb3588c6c1f6ffa9694d7d6ad2649365b0c1f65d69d1ec8333ea',
|
|
),
|
|
// test case 4
|
|
array(
|
|
'sha224',
|
|
pack('H*', '0102030405060708090a0b0c0d0e0f10111213141516171819'),
|
|
pack('H*', 'cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd'),
|
|
'6c11506874013cac6a2abc1bb382627cec6a90d86efc012de7afec5a',
|
|
),
|
|
// skip test case 5; truncation is only supported to 96 bits (eg. sha1-96) and that's already unit tested
|
|
// test case 6
|
|
array(
|
|
'sha224',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
'Test Using Larger Than Block-Size Key - Hash Key First',
|
|
'95e9a0db962095adaebe9b2d6f0dbce2d499f112f2d2b7273fa6870e',
|
|
),
|
|
// test case 7
|
|
array(
|
|
'sha224',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
'This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm.',
|
|
'3a854166ac5d9f023f54d517d0b39dbd946770db9c2b95c9f6f565d1'
|
|
),
|
|
|
|
// test case 1
|
|
array(
|
|
'sha256',
|
|
str_repeat("\x0b", 20),
|
|
'Hi There',
|
|
'b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7',
|
|
),
|
|
// test case 2
|
|
array(
|
|
'sha256',
|
|
'Jefe',
|
|
'what do ya want for nothing?',
|
|
'5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843',
|
|
),
|
|
// test case 3
|
|
array(
|
|
'sha256',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
pack('H*', 'dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'),
|
|
'773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe',
|
|
),
|
|
// test case 4
|
|
array(
|
|
'sha256',
|
|
pack('H*', '0102030405060708090a0b0c0d0e0f10111213141516171819'),
|
|
pack('H*', 'cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd'),
|
|
'82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b',
|
|
),
|
|
// skip test case 5; truncation is only supported to 96 bits (eg. sha1-96) and that's already unit tested
|
|
// test case 6
|
|
array(
|
|
'sha256',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
'Test Using Larger Than Block-Size Key - Hash Key First',
|
|
'60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54',
|
|
),
|
|
// test case 7
|
|
array(
|
|
'sha256',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
'This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm.',
|
|
'9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2'
|
|
),
|
|
|
|
// test case 1
|
|
array(
|
|
'sha384',
|
|
str_repeat("\x0b", 20),
|
|
'Hi There',
|
|
'afd03944d84895626b0825f4ab46907f15f9dadbe4101ec682aa034c7cebc59cfaea9ea9076ede7f4af152e8b2fa9cb6',
|
|
),
|
|
// test case 2
|
|
array(
|
|
'sha384',
|
|
'Jefe',
|
|
'what do ya want for nothing?',
|
|
'af45d2e376484031617f78d2b58a6b1b9c7ef464f5a01b47e42ec3736322445e8e2240ca5e69e2c78b3239ecfab21649',
|
|
),
|
|
// test case 3
|
|
array(
|
|
'sha384',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
pack('H*', 'dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'),
|
|
'88062608d3e6ad8a0aa2ace014c8a86f0aa635d947ac9febe83ef4e55966144b2a5ab39dc13814b94e3ab6e101a34f27',
|
|
),
|
|
// test case 4
|
|
array(
|
|
'sha384',
|
|
pack('H*', '0102030405060708090a0b0c0d0e0f10111213141516171819'),
|
|
pack('H*', 'cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd'),
|
|
'3e8a69b7783c25851933ab6290af6ca77a9981480850009cc5577c6e1f573b4e6801dd23c4a7d679ccf8a386c674cffb',
|
|
),
|
|
// skip test case 5; truncation is only supported to 96 bits (eg. sha1-96) and that's already unit tested
|
|
// test case 6
|
|
array(
|
|
'sha384',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
'Test Using Larger Than Block-Size Key - Hash Key First',
|
|
'4ece084485813e9088d2c63a041bc5b44f9ef1012a2b588f3cd11f05033ac4c60c2ef6ab4030fe8296248df163f44952',
|
|
),
|
|
// test case 7
|
|
array(
|
|
'sha384',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
'This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm.',
|
|
'6617178e941f020d351e2f254e8fd32c602420feb0b8fb9adccebb82461e99c5a678cc31e799176d3860e6110c46523e'
|
|
),
|
|
|
|
// test case 1
|
|
array(
|
|
'sha512',
|
|
str_repeat("\x0b", 20),
|
|
'Hi There',
|
|
'87aa7cdea5ef619d4ff0b4241a1d6cb02379f4e2ce4ec2787ad0b30545e17cdedaa833b7d6b8a702038b274eaea3f4e4be9d914eeb61f1702e696c203a126854',
|
|
),
|
|
// test case 2
|
|
array(
|
|
'sha512',
|
|
'Jefe',
|
|
'what do ya want for nothing?',
|
|
'164b7a7bfcf819e2e395fbe73b56e0a387bd64222e831fd610270cd7ea2505549758bf75c05a994a6d034f65f8f0e6fdcaeab1a34d4a6b4b636e070a38bce737',
|
|
),
|
|
// test case 3
|
|
array(
|
|
'sha512',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
pack('H*', 'dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'),
|
|
'fa73b0089d56a284efb0f0756c890be9b1b5dbdd8ee81a3655f83e33b2279d39bf3e848279a722c806b485a47e67c807b946a337bee8942674278859e13292fb',
|
|
),
|
|
// test case 4
|
|
array(
|
|
'sha512',
|
|
pack('H*', '0102030405060708090a0b0c0d0e0f10111213141516171819'),
|
|
pack('H*', 'cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd'),
|
|
'b0ba465637458c6990e5a8c5f61d4af7e576d97ff94b872de76f8050361ee3dba91ca5c11aa25eb4d679275cc5788063a5f19741120c4f2de2adebeb10a298dd',
|
|
),
|
|
// skip test case 5; truncation is only supported to 96 bits (eg. sha1-96) and that's already unit tested
|
|
// test case 6
|
|
array(
|
|
'sha512',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
'Test Using Larger Than Block-Size Key - Hash Key First',
|
|
'80b24263c7c1a3ebb71493c1dd7be8b49b46d1f41b4aeec1121b013783f8f3526b56d037e05f2598bd0fd2215d6a1e5295e64f73f63f0aec8b915a985d786598',
|
|
),
|
|
// test case 7
|
|
array(
|
|
'sha512',
|
|
pack('H*', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'),
|
|
'This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm.',
|
|
'e37b6a775dc87dbaa4dfa9f96e5e3ffddebd71f8867289865df5a32d20cdc944b6022cac3c4982b10d5eeb55c3e4de15134676fb6de0446065c97440fa8c6a58'
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @dataProvider hashData()
|
|
*/
|
|
public function testHash($hash, $message, $result)
|
|
{
|
|
$this->assertHashesTo($hash, $message, $result);
|
|
}
|
|
|
|
/**
|
|
* @dataProvider hashData()
|
|
*/
|
|
public function testHash96($hash, $message, $result)
|
|
{
|
|
$this->assertHashesTo($hash . '-96', $message, substr($result, 0, 24));
|
|
}
|
|
|
|
public function testConstructorDefault()
|
|
{
|
|
$hash = new Hash();
|
|
$this->assertSame($hash->getHash(), 'sha256');
|
|
}
|
|
|
|
/**
|
|
* @expectedException \phpseclib\Exception\UnsupportedAlgorithmException
|
|
*/
|
|
public function testConstructorArgumentInvalid()
|
|
{
|
|
new Hash('abcdefghijklmnopqrst');
|
|
}
|
|
|
|
/**
|
|
* @expectedException \phpseclib\Exception\UnsupportedAlgorithmException
|
|
*/
|
|
public function testSetHashInvalid()
|
|
{
|
|
$hash = new Hash('md5');
|
|
$hash->setHash('abcdefghijklmnopqrst-96');
|
|
}
|
|
|
|
public function testSetHashValid()
|
|
{
|
|
$hash = new Hash('md5');
|
|
$this->assertSame($hash->getHash(), 'md5');
|
|
$hash->setHash('sha1');
|
|
$this->assertSame($hash->getHash(), 'sha1');
|
|
}
|
|
|
|
/**
|
|
* @dataProvider lengths
|
|
*/
|
|
public function testGetLengthKnown($algorithm, $length)
|
|
{
|
|
$hash = new Hash($algorithm);
|
|
$this->assertSame($hash->getLengthInBytes(), $length);
|
|
}
|
|
|
|
public function lengths()
|
|
{
|
|
return array(
|
|
// known
|
|
array('md5-96', 12),
|
|
array('md5', 16),
|
|
array('sha1', 20),
|
|
array('sha256', 32),
|
|
array('sha384', 48),
|
|
array('sha512', 64),
|
|
);
|
|
}
|
|
}
|