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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;
class Unit_Crypt_RSA_ModeTest extends PhpseclibTestCase
{
public function testEncryptionModeNone()
{
$plaintext = 'a';
$rsa = new RSA();
$privatekey = '-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----';
$rsa->loadKey($privatekey);
$rsa->loadKey($rsa->getPublicKey());
$rsa->setEncryptionMode(RSA::ENCRYPTION_NONE);
$expected = '105b92f59a87a8ad4da52c128b8c99491790ef5a54770119e0819060032fb9e772ed6772828329567f3d7e9472154c1530f8156ba7fd732f52ca1c06' .
'5a3f5ed8a96c442e4662e0464c97f133aed31262170201993085a589565d67cc9e727e0d087e3b225c8965203b271e38a499c92fc0d6502297eca712' .
'4d04bd467f6f1e7c';
$expected = pack('H*', $expected);
$result = $rsa->encrypt($plaintext);
$this->assertEquals($result, $expected);
$rsa->loadKey($privatekey);
$this->assertEquals(trim($rsa->decrypt($result), "\0"), $plaintext);
}
/**
* @group github768
*/
public function testPSSSigs()
{
$rsa = new RSA();
$rsa->loadKey('-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqGKukO1De7zhZj6+H0qtjTkVx
wTCpvKe4eCZ0FPqri0cb2JZfXJ/DgYSF6vUpwmJG8wVQZKjeGcjDOL5UlsuusFnc
CzWBQ7RKNUSesmQRMSGkVb1/3j+skZ6UtW+5u09lHNsj6tQ51s1SPrCBkedbNf0T
p0GbMJDyR4e9T04ZZwIDAQAB
-----END PUBLIC KEY-----');
$sig = pack('H*', '1bd29a1d704a906cd7f726370ce1c63d8fb7b9a620871a05f3141a311c0d6e75fefb5d36dfb50d3ea2d37cd67992471419bfadd35da6e13b494' .
'058ddc9b568d4cfea13ddc3c62b86a6256f5f296980d1131d3eaec6089069a3de79983f73eae20198a18721338b4a66e9cfe80e4f8e4fcef7a5bead5cbb' .
'b8ac4c76adffbc178c');
$this->assertTrue($rsa->verify('zzzz', $sig));
}
public function testZeroLengthSalt()
{
$plaintext = 'a';
$rsa = new RSA();
$privatekey = '-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----';
$rsa->loadKey($privatekey);
$rsa->setSaltLength(0);
// Check we generate the correct signature.
$sig = pack('H*', '0ddfc93548e21d015c0a289a640b3b79aecfdfae045f583c5925b91cc5c399bba181616ad6ae20d9662d966f0eb2fddb550f4733268e34d640f4c9dadcaf25b3c82c42130a5081c6ebad7883331c65b25b6a37ffa7c4233a468dae56180787e2718ed87c48d8d50b72f5850e4a40963b4f36710be250ecef6fe0bb91249261a3');
$this->assertEquals($sig, $rsa->sign($plaintext));
// Check we can verify the signature correctly.
$rsa->loadKey($rsa->getPublicKey());
$this->assertTrue($rsa->verify($plaintext, $sig));
}
/**
* @group github1423
*/
public function testPSSSigsWithNonPowerOf2Key()
{
$pub = '-----BEGIN PUBLIC KEY-----
MF0wDQYJKoZIhvcNAQEBBQADTAAwSQJCAmdYuOvii3I6ya3q/zSeZFoJprgF9fIq
k12yS6pCS3c+1wZ9cYFVtgfpSL4XpylLe9EnRT2GRVYCqUkR4AUeTuvnAgMBAAE=
-----END PUBLIC KEY-----';
$rsa = new RSA();
$rsa->loadKey($pub);
$rsa->setHash('sha256');
$rsa->setSaltLength(32);
$rsa->setMGFHash('sha256');
$sig = base64_decode(strtr('Ad022bD-UCmWpBNMtsYJjG0FVxML-FFlN4IKrByP8rwjVzV_D-YqSjc_oW6LrooV7jbtEF5803YLn8lllyzDnw00', '-_', '+/'));
$payload = 'eyJraWQiOiJ0RkMyVUloRnBUTV9FYTNxY09kX01xUVQxY0JCbTlrRkxTRGZlSmhzUkc4IiwiYWxnIjoiUFMyNTYifQ.eyJhcHAiOiJhY2NvdW50cG9ydGFsIiwic3ViIjoiNTliOGM4YzA5NTVhNDA5MDg2MGRmYmM3ZGQwMjVjZWEiLCJjbGlkIjoiZTQ5ZTA2N2JiMTFjNDcyMmEzNGIyYjNiOGE2YTYzNTUiLCJhbSI6InBhc3N3b3JkIiwicCI6ImVOcDFrRUZQd3pBTWhmXC9QdEVOYU5kQkc2bUZDNHNpbENNNXU0aTNXMHFSS0hFVDU5V1JzcXpZRUp4XC84M3ZQbkIxcUg3Rm5CZVNabEtNME9saGVZVUVWTXlHOEVUOEZnWDI4dkdqWG4wWkcrV2hSK01rWVBicGZacHI2U3E0N0RFYjBLYkRFT21CSUZuOTZKN1ZDaWg1Q2p4dWNRZDJmdHJlMCt2cSthZFFObUluK0poWEl0UlBvQ0xya1wvZ05VV3N3T09vSVwva0Q5ZVk4c05jRHFPUzNkanFWb3RPU21oRUo5b0hZZmFqZmpSRzFGSWpGRFwvOExtT2pKbVF3d0tBMnQ0aXJBQ2NncHo0dzBuN3BtXC84YXV2T0dFM2twVFZ2d0IzdzlQZk1YZnJJUTBhejRsaEtIdVBUMU42XC9sb1FJPSIsImlhaSI6IjU5YjhjOGMwOTU1YTQwOTA4NjBkZmJjN2RkMDI1Y2VhIiwiY2xzdmMiOiJhY2NvdW50cG9ydGFsIiwibHB2IjoxNTQ3Njc1NDM4LCJ0IjoicyIsImljIjp0cnVlLCJleHAiOjE1NDc3MDQyMzgsImlhdCI6MTU0NzY3NTQzOCwianRpIjoiZTE0N2UzM2UzNzVhNDkyNWJjMzdjZTRjMDIwMmJjNDYifQ';
$this->assertTrue($rsa->verify($payload, $sig));
}
public function testPKCS1SigWithoutNull()
{
$rsa = new RSA();
$rsa->loadKey(array(
'n' => new BigInteger('0xE932AC92252F585B3A80A4DD76A897C8B7652952FE788F6EC8DD640587A1EE5647670A8AD' .
'4C2BE0F9FA6E49C605ADF77B5174230AF7BD50E5D6D6D6D28CCF0A886A514CC72E51D209CC7' .
'72A52EF419F6A953F3135929588EBE9B351FCA61CED78F346FE00DBB6306E5C2A4C6DFC3779' .
'AF85AB417371CF34D8387B9B30AE46D7A5FF5A655B8D8455F1B94AE736989D60A6F2FD5CADB' .
'FFBD504C5A756A2E6BB5CECC13BCA7503F6DF8B52ACE5C410997E98809DB4DC30D943DE4E81' .
'2A47553DCE54844A78E36401D13F77DC650619FED88D8B3926E3D8E319C80C744779AC5D6AB' .
'E252896950917476ECE5E8FC27D5F053D6018D91B502C4787558A002B9283DA7', 16),
'e' => new BigInteger('3')
));
$message = 'hello world!';
$signature = pack('H*', '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');
$rsa->setSignatureMode(RSA::SIGNATURE_PKCS1);
$rsa->setHash('sha256');
$this->assertTrue($rsa->verify($message, $signature));
}
/**
* @group github1669
*/
public function testOAEPWithLabel()
{
$publicKey = new RSA();
$publicKey->loadKey('-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnkFHQbt801+kMnxn0VmMVljp8
XdsbLEziLul3MwwckBDHwW6UDvYjN7vzJ/OM2RTxTbzilDcXJ37Zqz4qlDvXwSNm
gIe+3dpuuRQRrJuJP6FD8zDTkRmg3QWOIIPBTzCqOtJKgWjFwMMxfCOBFEv6Ldn5
Ac0i9ARl0/aNTWjvGwIDAQAB
-----END PUBLIC KEY-----');
$privateKey = new RSA();
$privateKey->loadKey('-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----');
$data = 'The quick brown fox jumps over the lazy dog';
$ciphertext = $publicKey->_rsaes_oaep_encrypt($data, 'whatever');
try {
$this->assertFalse($privateKey->decrypt($ciphertext));
$this->fail('Ciphertext should not have decrypted');
} catch (\Exception $e) {
}
$decrypted = $privateKey->_rsaes_oaep_decrypt($ciphertext, 'whatever');
$this->assertSame($data, $decrypted);
}
}
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