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<?php use \ParagonIE\ConstantTime\Base32; use \ParagonIE\ConstantTime\Base32Hex; use \ParagonIE\ConstantTime\Base64; use \ParagonIE\ConstantTime\Base64DotSlash; use \ParagonIE\ConstantTime\Base64DotSlashOrdered; use \ParagonIE\ConstantTime\Base64UrlSafe; use \ParagonIE\ConstantTime\Encoding; use \ParagonIE\ConstantTime\Hex; class EncodingTest extends PHPUnit\Framework\TestCase { public function testBase32Encode() { $this->assertSame( Encoding::base32Encode("\x00"), 'aa======' ); $this->assertSame( Encoding::base32Encode("\x00\x00"), 'aaaa====' ); $this->assertSame( Encoding::base32Encode("\x00\x00\x00"), 'aaaaa===' ); $this->assertSame( Encoding::base32Encode("\x00\x00\x00\x00"), 'aaaaaaa=' ); $this->assertSame( Encoding::base32Encode("\x00\x00\x00\x00\x00"), 'aaaaaaaa' ); $this->assertSame( Encoding::base32Encode("\x00\x00\x0F\xFF\xFF"), 'aaaa7777' ); $this->assertSame( Encoding::base32Encode("\xFF\xFF\xF0\x00\x00"), '7777aaaa' ); $this->assertSame( Encoding::base32Encode("\xce\x73\x9c\xe7\x39"), 'zzzzzzzz' ); $this->assertSame( Encoding::base32Encode("\xd6\xb5\xad\x6b\x5a"), '22222222' ); $this->assertSame( Base32::encodeUpper("\x00"), 'AA======' ); $this->assertSame( Base32::encodeUpper("\x00\x00"), 'AAAA====' ); $this->assertSame( Base32::encodeUpper("\x00\x00\x00"), 'AAAAA===' ); $this->assertSame( Base32::encodeUpper("\x00\x00\x00\x00"), 'AAAAAAA=' ); $this->assertSame( Base32::encodeUpper("\x00\x00\x00\x00\x00"), 'AAAAAAAA' ); $this->assertSame( Base32::encodeUpper("\x00\x00\x0F\xFF\xFF"), 'AAAA7777' ); $this->assertSame( Base32::encodeUpper("\xFF\xFF\xF0\x00\x00"), '7777AAAA' ); $this->assertSame( Base32::encodeUpper("\xce\x73\x9c\xe7\x39"), 'ZZZZZZZZ' ); $this->assertSame( Base32::encodeUpper("\xd6\xb5\xad\x6b\x5a"), '22222222' ); } public function testBase32Hex() { $this->assertSame( Base32Hex::encode("\x00"), '00======' ); $this->assertSame( Base32Hex::encode("\x00\x00"), '0000====' ); $this->assertSame( Base32Hex::encode("\x00\x00\x00"), '00000===' ); $this->assertSame( Base32Hex::encode("\x00\x00\x00\x00"), '0000000=' ); $this->assertSame( Base32Hex::encode("\x00\x00\x00\x00\x00"), '00000000' ); $this->assertSame( Base32Hex::encode("\x00\x00\x0F\xFF\xFF"), '0000vvvv' ); $this->assertSame( Base32Hex::encode("\xFF\xFF\xF0\x00\x00"), 'vvvv0000' ); } /** * Based on test vectors from RFC 4648 */ public function testBase32Decode() { $this->assertSame( "\x00\x00\x00\x00\x00\x00", Encoding::base32Decode('aaaaaaaaaa======') ); $this->assertSame( "\x00\x00\x00\x00\x00\x00\x00", Encoding::base32Decode('aaaaaaaaaaaa====') ); $this->assertSame( "\x00\x00\x00\x00\x00\x00\x00\x00", Encoding::base32Decode('aaaaaaaaaaaaa===') ); $this->assertSame( "\x00\x00\x00\x00\x00\x00\x00\x00\x00", Encoding::base32Decode('aaaaaaaaaaaaaaa=') ); $this->assertSame( "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", Encoding::base32Decode('aaaaaaaaaaaaaaaa') ); $this->assertSame( "\x00", Encoding::base32Decode('aa======') ); $this->assertSame( "\x00\x00", Encoding::base32Decode('aaaa====') ); $this->assertSame( "\x00\x00\x00", Encoding::base32Decode('aaaaa===') ); $this->assertSame( "\x00\x00\x00\x00", Encoding::base32Decode('aaaaaaa=') ); $this->assertSame( "\x00\x00\x00\x00\x00", Encoding::base32Decode('aaaaaaaa') ); $this->assertSame( "\x00\x00\x0F\xFF\xFF", Encoding::base32Decode('aaaa7777') ); $this->assertSame( "\xFF\xFF\xF0\x00\x00", Encoding::base32Decode('7777aaaa') ); $this->assertSame( "\xce\x73\x9c\xe7\x39", Encoding::base32Decode('zzzzzzzz') ); $this->assertSame( "\xd6\xb5\xad\x6b\x5a", Encoding::base32Decode('22222222') ); $this->assertSame( 'foobar', Encoding::base32Decode('mzxw6ytboi======') ); $rand = random_bytes(9); $enc = Encoding::base32Encode($rand); $this->assertSame( Encoding::base32Encode($rand), Encoding::base32Encode(Encoding::base32Decode($enc)) ); $this->assertSame( $rand, Encoding::base32Decode($enc) ); } /** * @covers Encoding::hexDecode() * @covers Encoding::hexEncode() * @covers Encoding::base32Decode() * @covers Encoding::base32Encode() * @covers Encoding::base64Decode() * @covers Encoding::base64Encode() * @covers Encoding::base64DotSlashDecode() * @covers Encoding::base64DotSlashEncode() * @covers Encoding::base64DotSlashOrderedDecode() * @covers Encoding::base64DotSlashOrderedEncode() */ public function testBasicEncoding() { // Re-run the test at least 3 times for each length for ($j = 0; $j < 3; ++$j) { for ($i = 1; $i < 84; ++$i) { $rand = random_bytes($i); $enc = Encoding::hexEncode($rand); $this->assertSame( \bin2hex($rand), $enc, "Hex Encoding - Length: " . $i ); $this->assertSame( $rand, Encoding::hexDecode($enc), "Hex Encoding - Length: " . $i ); // Uppercase variant: $enc = Hex::encodeUpper($rand); $this->assertSame( \strtoupper(\bin2hex($rand)), $enc, "Hex Encoding - Length: " . $i ); $this->assertSame( $rand, Hex::decode($enc), "HexUpper Encoding - Length: " . $i ); $enc = Encoding::base32Encode($rand); $this->assertSame( $rand, Encoding::base32Decode($enc), "Base32 Encoding - Length: " . $i ); $enc = Encoding::base32EncodeUpper($rand); $this->assertSame( $rand, Encoding::base32DecodeUpper($enc), "Base32Upper Encoding - Length: " . $i ); $enc = Encoding::base32HexEncode($rand); $this->assertSame( bin2hex($rand), bin2hex(Encoding::base32HexDecode($enc)), "Base32Hex Encoding - Length: " . $i ); $enc = Encoding::base32HexEncodeUpper($rand); $this->assertSame( bin2hex($rand), bin2hex(Encoding::base32HexDecodeUpper($enc)), "Base32HexUpper Encoding - Length: " . $i ); $enc = Encoding::base64Encode($rand); $this->assertSame( $rand, Encoding::base64Decode($enc), "Base64 Encoding - Length: " . $i ); $enc = Encoding::base64EncodeDotSlash($rand); $this->assertSame( $rand, Encoding::base64DecodeDotSlash($enc), "Base64 DotSlash Encoding - Length: " . $i ); $enc = Encoding::base64EncodeDotSlashOrdered($rand); $this->assertSame( $rand, Encoding::base64DecodeDotSlashOrdered($enc), "Base64 Ordered DotSlash Encoding - Length: " . $i ); $enc = Base64UrlSafe::encode($rand); $this->assertSame( \strtr(\base64_encode($rand), '+/', '-_'), $enc ); $this->assertSame( $rand, Base64UrlSafe::decode($enc) ); } } } }