phpseclib/tests/Unit/Crypt/RSA/ModeTest.php

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<?php
/**
* @author Jim Wigginton <terrafrost@php.net>
* @copyright 2013 Jim Wigginton
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
use phpseclib\Crypt\RSA;
use phpseclib\Math\BigInteger;
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class Unit_Crypt_RSA_ModeTest extends PhpseclibTestCase
{
public function testEncryptionModeNone()
{
$plaintext = 'a';
$rsa = new RSA();
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$privatekey = '-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----';
$rsa->load($privatekey);
$rsa->load($rsa->getPublicKey());
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$expected = '105b92f59a87a8ad4da52c128b8c99491790ef5a54770119e0819060032fb9e772ed6772828329567f3d7e9472154c1530f8156ba7fd732f52ca1c06' .
'5a3f5ed8a96c442e4662e0464c97f133aed31262170201993085a589565d67cc9e727e0d087e3b225c8965203b271e38a499c92fc0d6502297eca712' .
'4d04bd467f6f1e7c';
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$expected = pack('H*', $expected);
$result = $rsa->encrypt($plaintext, RSA::PADDING_NONE);
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$this->assertEquals($result, $expected);
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$rsa->load($privatekey);
$this->assertEquals(trim($rsa->decrypt($result, RSA::PADDING_NONE), "\0"), $plaintext);
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}
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/**
* @group github768
*/
public function testPSSSigs()
{
$rsa = new RSA();
$rsa->setHash('sha1');
$rsa->setMGFHash('sha1');
$rsa->load('-----BEGIN PUBLIC KEY-----
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MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqGKukO1De7zhZj6+H0qtjTkVx
wTCpvKe4eCZ0FPqri0cb2JZfXJ/DgYSF6vUpwmJG8wVQZKjeGcjDOL5UlsuusFnc
CzWBQ7RKNUSesmQRMSGkVb1/3j+skZ6UtW+5u09lHNsj6tQ51s1SPrCBkedbNf0T
p0GbMJDyR4e9T04ZZwIDAQAB
-----END PUBLIC KEY-----');
$sig = pack('H*', '1bd29a1d704a906cd7f726370ce1c63d8fb7b9a620871a05f3141a311c0d6e75fefb5d36dfb50d3ea2d37cd67992471419bfadd35da6e13b494' .
'058ddc9b568d4cfea13ddc3c62b86a6256f5f296980d1131d3eaec6089069a3de79983f73eae20198a18721338b4a66e9cfe80e4f8e4fcef7a5bead5cbb' .
'b8ac4c76adffbc178c');
$this->assertTrue($rsa->verify('zzzz', $sig));
}
/**
* @expectedException \OutOfBoundsException
*/
public function testSmallModulo()
{
$plaintext = 'x';
$n = new BigInteger(base64_decode('272435F22706FA96DE26E980D22DFF67'), 256);
$e = new BigInteger(base64_decode('158753FF2AF4D1E5BBAB574D5AE6B54D'), 256);
$rsa = new RSA();
$rsa->load(array('n' => $n, 'e' => $e));
$rsa->encrypt($plaintext);
}
public function testPKCS1LooseVerify()
{
$rsa = new RSA();
$rsa->load('-----BEGIN RSA PUBLIC KEY-----
MIGJAoGBAMuqkz8ij+ESAaNvgocVGmapjlrIldmhRo4h2NX4e6IXiCLTSxASQtY4
iqRnmyxqQSfaan2okTfQ6sP95bl8Qz8lgneW3ClC6RXG/wpJgsx7TXQ2kodlcKBF
m4k72G75QXhZ+I40ZG7cjBf1/9egakR0a0X0MpeOrKCzMBLv9+mpAgMBAAE=
-----END RSA PUBLIC KEY-----');
$message = base64_decode('MYIBLjAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xNDA1MTUxNDM4MzRaMC8GCSqGSIb3DQEJBDEiBCBLzLIBGdOf0L2WRrIY' .
'9KTwiHnReBW48S9C7LNRaPp5mDCBwgYLKoZIhvcNAQkQAi8xgbIwga8wgawwgakEIJDB9ZGwihf+TaiwrHQNkNHkqbN8Nuws0e77QNObkvFZMIGEMHCkbjBs' .
'MQswCQYDVQQGEwJJVDEYMBYGA1UECgwPQXJ1YmFQRUMgUy5wLkEuMSEwHwYDVQQLDBhDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eUMxIDAeBgNVBAMMF0FydWJh' .
'UEVDIFMucC5BLiBORyBDQSAzAhAv4L3QcFssQNLDYN/Vu40R');
$sig = base64_decode('XDSZWw6IcUj8ICxRJf04HzF8stzoiFAZSR2a0Rw3ziZxTOT0/NVUYJO5+9TaaREXEgxuCLpgmA+6W2SWrrGoxbbNfaI90ZoKeOAws4IX+9RfiWuooibjKcvt' .
'GJYVVOCcjvQYxUUNbQ4EjCUonk3h7ECXfCCmWqbeq2LsyXeeYGE=');
$this->assertTrue($rsa->verify($message, $sig, RSA::PADDING_RELAXED_PKCS1));
}
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}