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https://github.com/phpseclib/phpseclib.git
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70 lines
2.5 KiB
PHP
70 lines
2.5 KiB
PHP
<?php
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/**
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* @author Jim Wigginton <terrafrost@php.net>
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* @copyright 2015 Jim Wigginton
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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*/
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use phpseclib3\Crypt\RSA;
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use phpseclib3\Crypt\RSA\Formats\Keys\PKCS1;
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use phpseclib3\Crypt\RSA\PrivateKey;
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use phpseclib3\Crypt\RSA\PublicKey;
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class Unit_Crypt_RSA_CreateKeyTest extends PhpseclibTestCase
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{
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public function testCreateKey()
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{
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$privatekey = RSA::createKey(768);
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$publickey = $privatekey->getPublicKey();
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$this->assertInstanceOf(PrivateKey::class, $privatekey);
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$this->assertInstanceOf(PublicKey::class, $publickey);
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$this->assertNotEmpty("$privatekey");
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$this->assertNotEmpty("$publickey");
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$this->assertSame($privatekey->getLength(), 768);
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$this->assertSame($publickey->getLength(), 768);
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return [$publickey, $privatekey];
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}
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/**
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* @depends testCreateKey
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*/
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public function testEncryptDecrypt($args)
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{
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list($publickey, $privatekey) = $args;
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$ciphertext = $publickey->encrypt('zzz');
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$this->assertIsString($ciphertext);
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$plaintext = $privatekey->decrypt($ciphertext);
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$this->assertSame($plaintext, 'zzz');
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}
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public function testMultiPrime()
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{
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RSA::useInternalEngine();
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RSA::setSmallestPrime(256);
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$privatekey = RSA::createKey(1024);
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$publickey = $privatekey->getPublicKey();
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$this->assertInstanceOf(PrivateKey::class, $privatekey);
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$this->assertInstanceOf(PublicKey::class, $publickey);
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$this->assertNotEmpty($privatekey->toString('PKCS1'));
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$this->assertNotEmpty($publickey->toString('PKCS1'));
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$this->assertSame($privatekey->getLength(), 1024);
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$this->assertSame($publickey->getLength(), 1024);
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$r = PKCS1::load($privatekey->toString('PKCS1'));
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$this->assertCount(4, $r['primes']);
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// the last prime number could be slightly over. eg. 99 * 99 == 9801 but 10 * 10 = 100. the more numbers you're
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// multiplying the less certain you are to have each of them multiply to an n-bit number
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foreach (array_slice($r['primes'], 0, 3) as $i => $prime) {
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$this->assertSame($prime->getLength(), 256);
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}
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$rsa = RSA::load($privatekey->toString('PKCS1'));
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$signature = $rsa->sign('zzz');
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$rsa = RSA::load($rsa->getPublicKey()->toString('PKCS1'));
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$this->assertTrue($rsa->verify('zzz', $signature));
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RSA::useBestEngine();
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}
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}
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