152 lines
5 KiB
PHP
152 lines
5 KiB
PHP
<?php
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/*
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* This file is part of the PHPASN1 library.
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*
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* Copyright © Friedrich Große <friedrich.grosse@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace FG\Test\ASN1\Universal;
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use FG\Test\ASN1TestCase;
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use FG\ASN1\Identifier;
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use FG\ASN1\Universal\OctetString;
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class OctetStringTest extends ASN1TestCase
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{
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public function testGetType()
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{
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$object = new OctetString('30 14 06 08 2B 06 01 05 05 07 03 01 06 08 2B 06 01 05 05 07 03 02');
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$this->assertEquals(Identifier::OCTETSTRING, $object->getType());
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}
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public function testGetIdentifier()
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{
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$object = new OctetString('30 14 06 08 2B 06 01 05 05 07 03 01 06 08 2B 06 01 05 05 07 03 02');
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$this->assertEquals(chr(Identifier::OCTETSTRING), $object->getIdentifier());
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}
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public function testContent()
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{
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$object = new OctetString('A01200C3');
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$this->assertEquals('A01200C3', $object->getContent());
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$object = new OctetString('A0 12 00 C3');
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$this->assertEquals('A01200C3', $object->getContent());
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$object = new OctetString('a0 12 00 c3');
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$this->assertEquals('A01200C3', $object->getContent());
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$object = new OctetString('A0 12 00 c3');
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$this->assertEquals('A01200C3', $object->getContent());
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$object = new OctetString(0xA01200C3);
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$this->assertEquals('A01200C3', $object->getContent());
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}
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public function testGetObjectLength()
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{
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$object = new OctetString(0x00);
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$this->assertEquals(3, $object->getObjectLength());
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$object = new OctetString(0xFF);
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$this->assertEquals(3, $object->getObjectLength());
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$object = new OctetString(0xA000);
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$this->assertEquals(4, $object->getObjectLength());
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$object = new OctetString(0x3F2001);
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$this->assertEquals(5, $object->getObjectLength());
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}
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public function testGetObjectLengthWithVeryLongOctetString()
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{
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$hexString = '0x'.str_repeat('FF', 1024);
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$object = new OctetString($hexString);
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$this->assertEquals(1 + 3 + 1024, $object->getObjectLength());
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}
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public function testGetBinary()
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{
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$expectedType = chr(Identifier::OCTETSTRING);
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$expectedLength = chr(0x01);
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$object = new OctetString(0xFF);
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$expectedContent = chr(0xFF);
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$this->assertEquals($expectedType.$expectedLength.$expectedContent, $object->getBinary());
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$object = new OctetString(0xFFA034);
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$expectedLength = chr(0x03);
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$expectedContent = chr(0xFF);
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$expectedContent .= chr(0xA0);
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$expectedContent .= chr(0x34);
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$this->assertEquals($expectedType.$expectedLength.$expectedContent, $object->getBinary());
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$object = new OctetString(null);
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$expectedLength = chr(0x00);
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$this->assertEquals($expectedType.$expectedLength, $object->getBinary());
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}
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public function testGetBinaryForLargeOctetStrings()
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{
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$nrOfBytes = 1024;
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$hexString = '0x'.str_repeat('FF', $nrOfBytes);
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$object = new OctetString($hexString);
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$expectedType = chr(Identifier::OCTETSTRING);
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$expectedLength = chr(0x80 | 0x02); // long length form: 2 length octets
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$expectedLength .= chr(1024 >> 8); // first 8 bit of 1025
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$expectedLength .= chr(1024 & 0xFF); // last 8 bit of 1025
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$expectedContent = '';
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for ($i = 0; $i < $nrOfBytes; $i++) {
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$expectedContent .= chr(0xFF); // content
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}
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$this->assertEquals($expectedType.$expectedLength.$expectedContent, $object->getBinary());
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}
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/**
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* @depends testGetBinary
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*/
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public function testFromBinary()
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{
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$originalObject = new OctetString(0x12);
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$binaryData = $originalObject->getBinary();
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$parsedObject = OctetString::fromBinary($binaryData);
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$this->assertEquals($originalObject, $parsedObject);
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$originalObject = new OctetString(0x010203A0);
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$binaryData = $originalObject->getBinary();
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$parsedObject = OctetString::fromBinary($binaryData);
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$this->assertEquals($originalObject, $parsedObject);
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}
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/**
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* @depends testFromBinary
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*/
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public function testFromBinaryWithOffset()
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{
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$originalObject1 = new OctetString(0xA0);
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$originalObject2 = new OctetString(0x314510);
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$binaryData = $originalObject1->getBinary();
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$binaryData .= $originalObject2->getBinary();
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$offset = 0;
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$parsedObject = OctetString::fromBinary($binaryData, $offset);
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$this->assertEquals($originalObject1, $parsedObject);
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$this->assertEquals(3, $offset);
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$parsedObject = OctetString::fromBinary($binaryData, $offset);
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$this->assertEquals($originalObject2, $parsedObject);
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$this->assertEquals(8, $offset);
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}
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public function testEmptyValue()
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{
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$object = new OctetString(null);
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$this->assertEmpty($object->getContent());
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$this->assertEquals(2, $object->getObjectLength());
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}
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}
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