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<?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime\Tests;
use InvalidArgumentException;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
use ParagonIE\ConstantTime\Base32;
use RangeException;
use function random_bytes;
use function rtrim;
class Base32Test extends TestCase
{
public function testRandom(): void
{
for ($i = 1; $i < 32; ++$i) {
for ($j = 0; $j < 50; ++$j) {
$random = random_bytes($i);
$enc = Base32::encode($random);
$this->assertSame(
$random,
Base32::decode($enc)
);
$unpadded = rtrim($enc, '=');
$this->assertSame(
$unpadded,
Base32::encodeUnpadded($random)
);
$this->assertSame(
$random,
Base32::decode($unpadded)
);
$enc = Base32::encodeUpper($random);
$this->assertSame(
$random,
Base32::decodeUpper($enc)
);
$unpadded = rtrim($enc, '=');
$this->assertSame(
$unpadded,
Base32::encodeUpperUnpadded($random)
);
$this->assertSame(
$random,
Base32::decodeUpper($unpadded)
);
}
}
}
public static function canonProvider(): array
{
return [
['me', 'mf'],
['mfra', 'mfrb'],
['mfrgg', 'mfrgh'],
['mfrggza', 'mfrggzb']
];
}
/**
* We need this for PHP before attributes
* @dataProvider canonProvider
*/
#[DataProvider("canonProvider")]
public function testCanonicalBase32(string $canonical, string $munged)
{
Base32::decode($canonical);
$this->expectException(RangeException::class);
Base32::decodeNoPadding($munged);
}
public function testDecodeNoPadding()
{
// Empty string
$this->assertSame('', Base32::decodeNoPadding(''));
// Valid unpadded strings
$this->assertSame('f', Base32::decodeNoPadding('my'));
$this->assertSame('fo', Base32::decodeNoPadding('mzxq'));
$this->assertSame('foo', Base32::decodeNoPadding('mzxw6'));
$this->assertSame('foob', Base32::decodeNoPadding('mzxw6yq'));
$this->assertSame('fooba', Base32::decodeNoPadding('mzxw6ytb'));
$this->assertSame('foobar', Base32::decodeNoPadding('mzxw6ytboi'));
// Valid unpadded strings (uppercase)
$this->assertSame('f', Base32::decodeNoPadding('MY', true));
$this->assertSame('fo', Base32::decodeNoPadding('MZXQ', true));
$this->assertSame('foo', Base32::decodeNoPadding('MZXW6', true));
$this->assertSame('foob', Base32::decodeNoPadding('MZXW6YQ', true));
$this->assertSame('fooba', Base32::decodeNoPadding('MZXW6YTB', true));
$this->assertSame('foobar', Base32::decodeNoPadding('MZXW6YTBOI', true));
}
public function testDecodeNoPaddingWithPadding()
{
$this->expectException(InvalidArgumentException::class);
Base32::decodeNoPadding('MZXW6YTB========');
}
public function testDecodeNoPaddingWithPaddingUpper()
{
$this->expectException(InvalidArgumentException::class);
Base32::decodeNoPadding('MZXW6YTB========', true);
}
public function testDecodeNoPaddingInvalidLength()
{
$this->expectException(RangeException::class);
Base32::decodeNoPadding('M');
}
public function testNonCanonicalPadding()
{
// These should be accepted with default (non-strict) padding
$this->assertSame('f', Base32::decode('my======='));
$this->assertSame('f', Base32::decodeUpper('MY======='));
$this->assertSame('fo', Base32::decode('mzxq====='));
$this->assertSame('fo', Base32::decodeUpper('MZXQ====='));
$this->assertSame('foo', Base32::decode('mzxw6===='));
$this->assertSame('foo', Base32::decodeUpper('MZXW6===='));
$this->assertSame('foob', Base32::decode('mzxw6yq=='));
$this->assertSame('foob', Base32::decodeUpper('MZXW6YQ=='));
$this->assertSame('foobar', Base32::decode('mzxw6ytboi======='));
$this->assertSame('foobar', Base32::decodeUpper('MZXW6YTBOI======='));
}
public static function invalidStrictPaddingProvider(): array
{
return [
['MY======='],
['MZXQ====='],
['MZXW6===='],
['MZXW6YQ=='],
['MZXW6YTBOI======='],
['M'], // Incorrect length
['ME='] // Incorrect padding
];
}
/**
* @dataProvider invalidStrictPaddingProvider
*/
#[DataProvider("invalidStrictPaddingProvider")]
public function testInvalidStrictPadding(string $encoded): void
{
$this->expectException(RangeException::class);
Base32::decode($encoded, true);
}
/**
* @dataProvider invalidStrictPaddingProvider
*/
#[DataProvider("invalidStrictPaddingProvider")]
public function testInvalidStrictPaddingUpper(string $encoded): void
{
$this->expectException(RangeException::class);
Base32::decodeUpper($encoded, true);
}
public static function invalidCharactersProvider(): array
{
return [
['a`a'],
['a{a'],
['a1a'],
['a8a'],
['A@A'],
['A[A'],
['A1A'],
['A8A'],
];
}
/**
* @dataProvider invalidCharactersProvider
*/
#[DataProvider("invalidCharactersProvider")]
public function testInvalidCharacters(string $encoded): void
{
$this->expectException(RangeException::class);
Base32::decode($encoded);
}
/**
* @dataProvider invalidCharactersProvider
*/
#[DataProvider("invalidCharactersProvider")]
public function testInvalidCharactersUpper(string $encoded): void
{
$this->expectException(RangeException::class);
Base32::decodeUpper(strtoupper($encoded));
}
public function testSingleInvalidCharacter(): void
{
$this->expectException(RangeException::class);
Base32::decode('aaaaaaaa`aaaaaaa');
}
public function testInvalidPaddingBits(): void
{
$this->expectException(RangeException::class);
// Last 3 bits of last char should be 0
Base32::decode('999999J=', true);
}
}
|
