phpseclib/tests/Unit/Crypt/Salsa20Test.php

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<?php
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/**
* @author Jim Wigginton <terrafrost@php.net>
* @copyright 2014 Jim Wigginton
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
namespace phpseclib3\Tests\Unit\Crypt;
use phpseclib3\Crypt\Salsa20;
use phpseclib3\Tests\PhpseclibTestCase;
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class Salsa20Test extends PhpseclibTestCase
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{
public function engineVectors()
{
$engines = [
'PHP',
];
// tests from http://www.ecrypt.eu.org/stream/svn/viewcvs.cgi/ecrypt/trunk/submissions/salsa20/full/verified.test-vectors?logsort=rev&rev=210&view=markup
// more specifically, it's vector # 0 in each set
$tests = [
// key size: 128 bits
// set 1
[
'key' => '80000000000000000000000000000000',
'iv' => '0000000000000000',
'result' => '4DFA5E481DA23EA09A31022050859936' .
'DA52FCEE218005164F267CB65F5CFD7F' .
'2B4F97E0FF16924A52DF269515110A07' .
'F9E460BC65EF95DA58F740B7D1DBB0AA'
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],
// set 2
[
'key' => '00000000000000000000000000000000',
'iv' => '0000000000000000',
'result' => '6513ADAECFEB124C1CBE6BDAEF690B4F' .
'FB00B0FCACE33CE806792BB414801998' .
'34BFB1CFDD095802C6E95E251002989A' .
'C22AE588D32AE79320D9BD7732E00338'
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],
// set 3
[
'key' => '000102030405060708090A0B0C0D0E0F',
'iv' => '0000000000000000',
'result' => '2DD5C3F7BA2B20F76802410C68868889' .
'5AD8C1BD4EA6C9B140FB9B90E21049BF' .
'583F527970EBC1A4C4C5AF117A5940D9' .
'2B98895B1902F02BF6E9BEF8D6B4CCBE'
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],
// set 4
[
'key' => '0053A6F94C9FF24598EB3E91E4378ADD',
'iv' => '0000000000000000',
'result' => 'BE4EF3D2FAC6C4C3D822CE67436A407C' .
'C237981D31A65190B51053D13A19C89F' .
'C90ACB45C8684058733EDD259869C58E' .
'EF760862BEFBBCA0F6E675FD1FA25C27'
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],
// set 5
[
'key' => '00000000000000000000000000000000',
'iv' => '8000000000000000',
'result' => 'B66C1E4446DD9557E578E223B0B76801' .
'7B23B267BB0234AE4626BF443F219776' .
'436FB19FD0E8866FCD0DE9A9538F4A09' .
'CA9AC0732E30BCF98E4F13E4B9E201D9'
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],
// set 6
[
'key' => '0053A6F94C9FF24598EB3E91E4378ADD',
'iv' => '0D74DB42A91077DE',
'result' => '05E1E7BEB697D999656BF37C1B978806' .
'735D0B903A6007BD329927EFBE1B0E2A' .
'8137C1AE291493AA83A821755BEE0B06' .
'CD14855A67E46703EBF8F3114B584CBA'
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],
// key size: 256 bits
// set 1
[
'key' => '8000000000000000000000000000000000000000000000000000000000000000',
'iv' => '0000000000000000',
'result' => 'E3BE8FDD8BECA2E3EA8EF9475B29A6E7' .
'003951E1097A5C38D23B7A5FAD9F6844' .
'B22C97559E2723C7CBBD3FE4FC8D9A07' .
'44652A83E72A9C461876AF4D7EF1A117'
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],
// set 2
[
'key' => '0000000000000000000000000000000000000000000000000000000000000000',
'iv' => '0000000000000000',
'result' => '9A97F65B9B4C721B960A672145FCA8D4' .
'E32E67F9111EA979CE9C4826806AEEE6' .
'3DE9C0DA2BD7F91EBCB2639BF989C625' .
'1B29BF38D39A9BDCE7C55F4B2AC12A39'
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],
// set 3
[
'key' => '000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F',
'iv' => '0000000000000000',
'result' => 'B580F7671C76E5F7441AF87C146D6B51' .
'3910DC8B4146EF1B3211CF12AF4A4B49' .
'E5C874B3EF4F85E7D7ED539FFEBA73EB' .
'73E0CCA74FBD306D8AA716C7783E89AF'
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],
// set 4
[
'key' => '0053A6F94C9FF24598EB3E91E4378ADD3083D6297CCF2275C81B6EC11467BA0D',
'iv' => '0000000000000000',
'result' => 'F9D2DC274BB55AEFC2A0D9F8A982830F' .
'6916122BC0A6870F991C6ED8D00D2F85' .
'94E3151DE4C5A19A9A06FBC191C87BF0' .
'39ADF971314BAF6D02337080F2DAE5CE'
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],
// set 5
[
'key' => '0000000000000000000000000000000000000000000000000000000000000000',
'iv' => '8000000000000000',
'result' => '2ABA3DC45B4947007B14C851CD694456' .
'B303AD59A465662803006705673D6C3E' .
'29F1D3510DFC0405463C03414E0E07E3' .
'59F1F1816C68B2434A19D3EEE0464873'
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],
// set 6
[
'key' => '0053A6F94C9FF24598EB3E91E4378ADD3083D6297CCF2275C81B6EC11467BA0D',
'iv' => '0D74DB42A91077DE',
'result' => 'F5FAD53F79F9DF58C4AEA0D0ED9A9601' .
'F278112CA7180D565B420A48019670EA' .
'F24CE493A86263F677B46ACE1924773D' .
'2BB25571E1AA8593758FC382B1280B71'
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],
];
$result = [];
foreach ($engines as $engine) {
foreach ($tests as $test) {
$result[] = [$engine, $test['key'], $test['iv'], $test['result']];
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}
}
return $result;
}
/**
* @dataProvider engineVectors
*/
public function testVectors($engine, $key, $iv, $expected)
{
$cipher = new Salsa20();
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$cipher->setPreferredEngine($engine);
$cipher->setKey(pack('H*', $key));
$cipher->setNonce(pack('H*', $iv));
if ($cipher->getEngine() != $engine) {
self::markTestSkipped('Unable to initialize ' . $engine . ' engine for ' . (strlen($key) * 8) . '-bit key');
}
$result = $cipher->encrypt(str_repeat("\0", 64));
$this->assertEquals(strtoupper(bin2hex($result)), $expected, "Failed asserting that key $key / $iv yielded expected output in $engine engine");
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}
}