Files
development/www/admin/class_test.db.encryption.php
2025-04-14 09:19:58 +09:00

169 lines
4.3 KiB
PHP

<?php // phpcs:ignore warning
/**
* @phan-file-suppress PhanTypeSuspiciousStringExpression
*/
declare(strict_types=1);
// turn on all error reporting
error_reporting(E_ALL | E_ERROR | E_WARNING | E_PARSE | E_COMPILE_ERROR);
ob_start();
// basic class test file
define('USE_DATABASE', true);
// sample config
require 'config.php';
// for testing encryption compare
use OpenPGP\OpenPGP;
// define log file id
$LOG_FILE_ID = 'classTest-db-query-encryption';
ob_end_flush();
// use CoreLibs\Debug\Support;
use CoreLibs\Security\SymmetricEncryption;
use CoreLibs\Security\CreateKey;
use CoreLibs\Create\Hash;
use CoreLibs\Debug\Support;
$log = new CoreLibs\Logging\Logging([
'log_folder' => BASE . LOG,
'log_file_id' => $LOG_FILE_ID,
'log_per_date' => true,
]);
// db connection and attach logger
$db = new CoreLibs\DB\IO(DB_CONFIG, $log);
$db->log->debug('START', '=============================>');
$PAGE_NAME = 'TEST CLASS: DB QUERY ENCRYPTION';
print "<!DOCTYPE html>";
print "<html><head><title>" . $PAGE_NAME . "</title></head>";
print "<body>";
print '<div><a href="class_test.php">Class Test Master</a></div>';
print '<div><h1>' . $PAGE_NAME . '</h1></div>';
// encryption key
$key_new = CreateKey::generateRandomKey();
print "Secret Key NEW: " . $key_new . "<br>";
// for reproducable test results
$key = 'e475c19b9a3c8363feb06b51f5b73f1dc9b6f20757d4ab89509bf5cc70ed30ec';
print "Secret Key: " . $key . "<br>";
// test text
$text_string = "I a some deep secret";
$text_string = "I a some deep secret ABC";
//
$crypt = new SymmetricEncryption($key);
$encrypted = $crypt->encrypt($text_string);
$string_hashed = Hash::hashStd($text_string);
$string_hmac = Hash::hashHmac($text_string, $key);
$decrypted = $crypt->decrypt($encrypted);
print "String: " . $text_string . "<br>";
print "Encrypted: " . $encrypted . "<br>";
print "Hashed: " . $string_hashed . "<br>";
print "Hmac: " . $string_hmac . "<br>";
$db->dbExecParams(
<<<SQL
INSERT INTO test_encryption (
-- for compare
plain_text,
-- via php encryption
hash_text, hmac_text, crypt_text,
-- -- in DB encryption
pg_digest_bytea, pg_digest_text,
pg_hmac_bytea, pg_hmac_text,
pg_crypt_bytea, pg_crypt_text
) VALUES (
$1,
$2, $3, $4,
digest($1::VARCHAR, $5),
encode(digest($1, $5), 'hex'),
hmac($1, $6, $5),
encode(hmac($1, $6, $5), 'hex'),
pgp_sym_encrypt($1, $7),
encode(pgp_sym_encrypt($1, $7), 'hex')
) RETURNING cuuid
SQL,
[
// 1: original string
$text_string,
// 2: hashed, 3: hmac, 4: encrypted
$string_hashed, $string_hmac, $encrypted,
// 5: hash type, 6: hmac secret, 7: pgp secret
'sha256', $key, $key
]
);
$cuuid = $db->dbGetReturningExt('cuuid');
print "INSERTED: " . print_r($cuuid, true) . "<br>";
print "LAST ERROR: " . $db->dbGetLastError(true) . "<br>";
// read back
$res = $db->dbReturnRowParams(
<<<SQL
SELECT
-- for compare
plain_text,
-- via php encryption
hash_text, hmac_text, crypt_text,
-- in DB encryption
pg_digest_bytea, pg_digest_text,
pg_hmac_bytea, pg_hmac_text,
pg_crypt_bytea, pg_crypt_text,
encode(pg_crypt_bytea, 'hex') AS pg_crypt_bytea_hex,
pgp_sym_decrypt(pg_crypt_bytea, $2) AS from_pg_crypt_bytea,
pgp_sym_decrypt(decode(pg_crypt_text, 'hex'), $2) AS from_pg_crypt_text
FROM
test_encryption
WHERE
cuuid = $1
SQL,
[
$cuuid, $key
]
);
print "RES: <pre>" . Support::prAr($res) . "</pre><br>";
if ($res === false) {
echo "Failed to run query<br>";
} else {
if (hash_equals($string_hashed, $res['pg_digest_text'])) {
print "libsodium and pgcrypto hash match<br>";
}
if (hash_equals($string_hmac, $res['pg_hmac_text'])) {
print "libsodium and pgcrypto hash hmac match<br>";
}
}
$encryptedMessage_template = <<<TEXT
-----BEGIN PGP MESSAGE-----
{BASE64}
-----END PGP MESSAGE-----
TEXT;
$base64_string = base64_encode(hex2bin($res['pg_crypt_text']));
$encryptedMessage = str_replace(
'{BASE64}',
$base64_string,
$encryptedMessage_template
);
try {
$literalMessage = OpenPGP::decryptMessage($encryptedMessage, passwords: [$key]);
$decrypted = $literalMessage->getLiteralData()->getData();
print "Pg decrypted PHP: " . $decrypted . "<br>";
if ($decrypted == $text_string) {
print "Decryption worked<br>";
}
} catch (\Exception $e) {
print "Error decrypting message: " . $e->getMessage() . "<br>";
}
// do compare for PHP and pgcrypto settings
print "</body></html>";
// __END__