<?php
class Poly1305Test extends PHPUnit_Framework_TestCase
{
/**
* @before
*/
public function before()
{
ParagonIE_Sodium_Compat::$disableFallbackForUnitTests = true;
}
/**
* @covers ParagonIE_Sodium_Core_Poly1305::onetimeauth()
* @ref https://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-04#page-12
*/
public function testVectorA()
{
$msg = ParagonIE_Sodium_Core_Util::hex2bin('0000000000000000000000000000000000000000000000000000000000000000');
$key = ParagonIE_Sodium_Core_Util::hex2bin('746869732069732033322d62797465206b657920666f7220506f6c7931333035');
$this->assertSame(
'49ec78090e481ec6c26b33b91ccc0307',
bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'crypto_onetimeauth is broken'
);
}
/**
* @covers ParagonIE_Sodium_Core_Poly1305::onetimeauth()
* @ref https://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-04#page-12
*/
public function testVectorB()
{
$msg = ParagonIE_Sodium_Core_Util::hex2bin('48656c6c6f20776f726c6421');
$key = ParagonIE_Sodium_Core_Util::hex2bin('746869732069732033322d62797465206b657920666f7220506f6c7931333035');
$this->assertSame(
'a6f745008f81c916a20dcc74eef2b2f0',
ParagonIE_Sodium_Core_Util::bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'crypto_onetimeauth is broken'
);
}
/**
* @covers ParagonIE_Sodium_Core_Poly1305::onetimeauth()
*
* A large message test vector.
*
* @ref https://github.com/jedisct1/libsodium/blob/master/test/default/onetimeauth2.c
*/
public function testVectorC()
{
$msg = ParagonIE_Sodium_Core_Util::intArrayToString(
array(
0x8e, 0x99, 0x3b, 0x9f, 0x48, 0x68, 0x12, 0x73, 0xc2, 0x96, 0x50, 0xba,
0x32, 0xfc, 0x76, 0xce, 0x48, 0x33, 0x2e, 0xa7, 0x16, 0x4d, 0x96, 0xa4,
0x47, 0x6f, 0xb8, 0xc5, 0x31, 0xa1, 0x18, 0x6a, 0xc0, 0xdf, 0xc1, 0x7c,
0x98, 0xdc, 0xe8, 0x7b, 0x4d, 0xa7, 0xf0, 0x11, 0xec, 0x48, 0xc9, 0x72,
0x71, 0xd2, 0xc2, 0x0f, 0x9b, 0x92, 0x8f, 0xe2, 0x27, 0x0d, 0x6f, 0xb8,
0x63, 0xd5, 0x17, 0x38, 0xb4, 0x8e, 0xee, 0xe3, 0x14, 0xa7, 0xcc, 0x8a,
0xb9, 0x32, 0x16, 0x45, 0x48, 0xe5, 0x26, 0xae, 0x90, 0x22, 0x43, 0x68,
0x51, 0x7a, 0xcf, 0xea, 0xbd, 0x6b, 0xb3, 0x73, 0x2b, 0xc0, 0xe9, 0xda,
0x99, 0x83, 0x2b, 0x61, 0xca, 0x01, 0xb6, 0xde, 0x56, 0x24, 0x4a, 0x9e,
0x88, 0xd5, 0xf9, 0xb3, 0x79, 0x73, 0xf6, 0x22, 0xa4, 0x3d, 0x14, 0xa6,
0x59, 0x9b, 0x1f, 0x65, 0x4c, 0xb4, 0x5a, 0x74, 0xe3, 0x55, 0xa5
)
);
;
$key = ParagonIE_Sodium_Core_Util::intArrayToString(
array(
0xee, 0xa6, 0xa7, 0x25, 0x1c, 0x1e, 0x72, 0x91, 0x6d, 0x11, 0xc2,
0xcb, 0x21, 0x4d, 0x3c, 0x25, 0x25, 0x39, 0x12, 0x1d, 0x8e, 0x23,
0x4e, 0x65, 0x2d, 0x65, 0x1f, 0xa4, 0xc8, 0xcf, 0xf8, 0x80
)
);
$tag = ParagonIE_Sodium_Core_Util::intArrayToString(
array(
0xf3, 0xff, 0xc7, 0x70, 0x3f, 0x94, 0x00, 0xe5,
0x2a, 0x7d, 0xfb, 0x4b, 0x3d, 0x33, 0x05, 0xd9
)
);
$this->assertSame(
bin2hex($tag),
bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'crypto_onetimeauth is broken -- IETF test vector'
);
$this->assertTrue(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth_verify($tag, $msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify($tag, $msg, $key),
'crypto_onetimeauth_verify is broken -- IETF test vector'
);
}
/**
* @covers ParagonIE_Sodium_Core_Poly1305::onetimeauth()
*/
public function testOdd()
{
$msg = str_repeat('a', 29);
$key = ParagonIE_Sodium_Core_Util::hex2bin('69d5eae6e17623da87404bc791a408dfb1be300f43e10b96876134d5537dfcff');
$this->assertSame(
'1e57d95d70615c7a83a02e1156ef217c',
bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'Weird message length'
);
}
/**
* @covers ParagonIE_Sodium_Core_Poly1305::onetimeauth()
*/
public function testEmpty()
{
$msg = ParagonIE_Sodium_Core_Util::hex2bin('00');
$key = ParagonIE_Sodium_Core_Util::hex2bin('746869732069732033322d62797465206b657920666f7220506f6c7931333035');
$this->assertSame(
'6bd9e189698fdb93509f9ea633aba49a',
bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'null byte message'
);
$msg = '';
$key = ParagonIE_Sodium_Core_Util::hex2bin('746869732069732033322d62797465206b657920666f7220506f6c7931333035');
$this->assertSame(
'6b657920666f7220506f6c7931333035',
bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'Empty message'
);
$msg = ParagonIE_Sodium_Core_Util::hex2bin('00');
$this->assertSame(
'6bd9e189698fdb93509f9ea633aba49a',
bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'null byte message'
);
$msg = ParagonIE_Sodium_Core_Util::hex2bin('0000');
$this->assertSame(
'e865ed88cf729289c36f9cab5e35a8a9',
bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'double null byte message'
);
$msg = ParagonIE_Sodium_Core_Util::hex2bin('00000000000000000000000000000000');
$this->assertSame(
'fc27bd24ceb202210cee247cc704af35',
bin2hex(
PHP_INT_SIZE === 4
? ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key)
: ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key)
),
'16 null byte message'
);
}
/**
* @covers ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify()
*/
public function testRandomVerify()
{
$msg = random_bytes(random_int(1, 1000));
$key = random_bytes(32);
if (PHP_INT_SIZE === 4) {
$mac = ParagonIE_Sodium_Core32_Poly1305::onetimeauth($msg, $key);
$this->assertTrue(
ParagonIE_Sodium_Core32_Poly1305::onetimeauth_verify($mac, $msg, $key),
'crypto_onetimeauth_verify is broken'
);
} else {
$mac = ParagonIE_Sodium_Core_Poly1305::onetimeauth($msg, $key);
$this->assertTrue(
ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify($mac, $msg, $key),
'crypto_onetimeauth_verify is broken'
);
}
}
}
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