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Line 1... Line 1...
1 
<?php
 1 
<?php
2 
 
 2 
 
3 
/*
 3 
/*
4 
 * UUID utils for PHP
 4 
 * UUID utils for PHP
5 
 * Copyright 2011 - 2023 Daniel Marschall, ViaThinkSoft
 5 
 * Copyright 2011 - 2023 Daniel Marschall, ViaThinkSoft
6 
 * Version 2023-09-24
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 * Version 2023-10-06
7 
 *
 7 
 *
8 
 * Licensed under the Apache License, Version 2.0 (the "License");
 8 
 * Licensed under the Apache License, Version 2.0 (the "License");
9 
 * you may not use this file except in compliance with the License.
 9 
 * you may not use this file except in compliance with the License.
10 
 * You may obtain a copy of the License at
 10 
 * You may obtain a copy of the License at
11 
 *
 11 
 *
Line 1321... Line 1321...
1321 
        if (($hash_algo ?? '') === '') throw new Exception("Hash algorithm argument missing");
 1321 
        if (($hash_algo ?? '') === '') throw new Exception("Hash algorithm argument missing");
1322 
 
 1322 
 
1323 
        if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing");
 1323 
        if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing");
1324 
        if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'");
 1324 
        if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'");
1325 
 
 1325 
 
1326 
        $uuid1 = uuid_valid($hash_algo) ? hex2bin(str_replace('-','',uuid_canonize($hash_algo))) : '';
 1326 
        $uuid1 = uuid_valid($hash_algo) ? hex2bin(str_replace('-','',uuid_canonize($hash_algo))) : ''; // old "hash space" concept (dropped in Internet Draft 12)
1327 
        $uuid2 = hex2bin(str_replace('-','',uuid_canonize($namespace_uuid)));
 1327 
        $uuid2 = hex2bin(str_replace('-','',uuid_canonize($namespace_uuid)));
1328 
        $payload = $uuid1 . $uuid2 . $name;
 1328 
        $payload = $uuid1 . $uuid2 . $name;
1329 
 
 1329 
 
1330 
        if (uuid_valid($hash_algo)) {
 1330 
        if (uuid_valid($hash_algo)) {
- 
 
 1331 
                if (uuid_equal($hash_algo, '59031ca3-fbdb-47fb-9f6c-0f30e2e83145')) $hash_algo = 'sha224';
1331 
                foreach (get_uuidv8_hash_space_ids() as list($algo,$space,$friendlyName,$author,$available)) {
 1332 
                if (uuid_equal($hash_algo, '3fb32780-953c-4464-9cfd-e85dbbe9843d')) $hash_algo = 'sha256';
- 
 
 1333 
                if (uuid_equal($hash_algo, 'e6800581-f333-484b-8778-601ff2b58da8')) $hash_algo = 'sha384';
1332 
                        if (uuid_equal($hash_algo,$space)) {
 1334 
                if (uuid_equal($hash_algo, '0fde22f2-e7ba-4fd1-9753-9c2ea88fa3f9')) $hash_algo = 'sha512';
- 
 
 1335 
                if (uuid_equal($hash_algo, '003c2038-c4fe-4b95-a672-0c26c1b79542')) $hash_algo = 'sha512/224';
- 
 
 1336 
                if (uuid_equal($hash_algo, '9475ad00-3769-4c07-9642-5e7383732306')) $hash_algo = 'sha512/256';
- 
 
 1337 
                if (uuid_equal($hash_algo, '9768761f-ac5a-419e-a180-7ca239e8025a')) $hash_algo = 'sha3-224';
1333 
                                if (!$available) {
 1338 
                if (uuid_equal($hash_algo, '2034d66b-4047-4553-8f80-70e593176877')) $hash_algo = 'sha3-256';
1334 
                                        throw new Exception("Algorithm $algo is not available on this system (PHP version too old)");
 1339 
                if (uuid_equal($hash_algo, '872fb339-2636-4bdd-bda6-b6dc2a82b1b3')) $hash_algo = 'sha3-384';
1335 
                                }
 - 
 
1336 
                                $hash_algo = $algo;
 1340 
                if (uuid_equal($hash_algo, 'a4920a5d-a8a6-426c-8d14-a6cafbe64c7b')) $hash_algo = 'sha3-512';
1337 
                                break;
 - 
 
1338 
                        }
 - 
 
1339 
                }
 - 
 
- 
 
 1341 
                if (uuid_equal($hash_algo, '7ea218f6-629a-425f-9f88-7439d63296bb')) $hash_algo = 'shake128';
- 
 
 1342 
                if (uuid_equal($hash_algo, '2e7fc6a4-2919-4edc-b0ba-7d7062ce4f0a')) $hash_algo = 'shake256';
1340 
        }
 1343 
        }
1341 
 
 1344 
 
1342 
        if ($hash_algo == 'shake128') $hash = shake128($payload, 16/*min. required bytes*/, false);
 1345 
        if ($hash_algo == 'shake128') $hash = shake128($payload, 16/*min. required bytes*/, false);
1343 
        else if ($hash_algo == 'shake256') $hash = shake256($payload, 16/*min. required bytes*/, false);
 1346 
        else if ($hash_algo == 'shake256') $hash = shake256($payload, 16/*min. required bytes*/, false);
1344 
        else $hash = hash($hash_algo, $payload, false);
 1347 
        else $hash = hash($hash_algo, $payload, false);
Line 1357... Line 1360...
1357 
               substr($hash, 12, 4).'-'.
 1360 
               substr($hash, 12, 4).'-'.
1358 
               substr($hash, 16, 4).'-'.
 1361 
               substr($hash, 16, 4).'-'.
1359 
               substr($hash, 20, 12);
 1362 
               substr($hash, 20, 12);
1360 
}
 1363 
}
1361 
 
 1364 
 
1362 
/**
 - 
 
1363 
 * Collection of Namebased UUIDv8 Hash Space IDs
 - 
 
1364 
 * @return array An array containing tuples of [PHP Algo Name, Hash Space UUID, Human friendly name, Hash Space Author, Available]
 - 
 
1365 
 */
 - 
 
1366 
function get_uuidv8_hash_space_ids(): array {
 - 
 
1367 
        $out = array();
 - 
 
1368 
 
 - 
 
1369 
        // The following Hash Space UUIDs are defined in draft-ietf-uuidrev-rfc4122bis-11 as Example for Namebased UUIDv8
 - 
 
1370 
        $category = 'Internet Draft 11, Appendix B';
 - 
 
1371 
        $out[] = ['sha224', '59031ca3-fbdb-47fb-9f6c-0f30e2e83145', 'SHA-224', $category, PHP_VERSION_ID >= 70100];
 - 
 
1372 
        $out[] = ['sha256', '3fb32780-953c-4464-9cfd-e85dbbe9843d', 'SHA-256', $category, PHP_VERSION_ID >= 70100];
 - 
 
1373 
        $out[] = ['sha384', 'e6800581-f333-484b-8778-601ff2b58da8', 'SHA-384', $category, PHP_VERSION_ID >= 70100];
 - 
 
1374 
        $out[] = ['sha512', '0fde22f2-e7ba-4fd1-9753-9c2ea88fa3f9', 'SHA-512', $category, PHP_VERSION_ID >= 70100];
 - 
 
1375 
        $out[] = ['sha512/224', '003c2038-c4fe-4b95-a672-0c26c1b79542', 'SHA-512/224', $category, PHP_VERSION_ID >= 70100];
 - 
 
1376 
        $out[] = ['sha512/256', '9475ad00-3769-4c07-9642-5e7383732306', 'SHA-512/256', $category, PHP_VERSION_ID >= 70100];
 - 
 
1377 
        $out[] = ['sha3-224', '9768761f-ac5a-419e-a180-7ca239e8025a', 'SHA3-224', $category, PHP_VERSION_ID >= 70100];
 - 
 
1378 
        $out[] = ['sha3-256', '2034d66b-4047-4553-8f80-70e593176877', 'SHA3-256', $category, PHP_VERSION_ID >= 70100];
 - 
 
1379 
        $out[] = ['sha3-384', '872fb339-2636-4bdd-bda6-b6dc2a82b1b3', 'SHA3-384', $category, PHP_VERSION_ID >= 70100];
 - 
 
1380 
        $out[] = ['sha3-512', 'a4920a5d-a8a6-426c-8d14-a6cafbe64c7b', 'SHA3-512', $category, PHP_VERSION_ID >= 70100];
 - 
 
1381 
        $out[] = ['shake128'/*Currently no PHP core algorithm!*/, '7ea218f6-629a-425f-9f88-7439d63296bb', 'SHAKE128', $category, file_exists(__DIR__.'/SHA3.php')];
 - 
 
1382 
        $out[] = ['shake256'/*Currently no PHP core algorithm!*/, '2e7fc6a4-2919-4edc-b0ba-7d7062ce4f0a', 'SHAKE256', $category, file_exists(__DIR__.'/SHA3.php')];
 - 
 
1383 
 
 - 
 
1384 
        return $out;
 - 
 
1385 
}
 - 
 
1386 
 
 - 
 
1387 
# --------------------------------------
 1365 
# --------------------------------------
1388 
 
 1366 
 
1389 
// http://php.net/manual/de/function.hex2bin.php#113057
 1367 
// http://php.net/manual/de/function.hex2bin.php#113057
1390 
if (!function_exists('hex2bin')) {
 1368 
if (!function_exists('hex2bin')) {
1391 
    function hex2bin($str) {
 1369 
    function hex2bin($str) {