20 lines
771 B
PHP
20 lines
771 B
PHP
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<?php
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function endecrypt_file($file, $encrypt = true) {
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global $enc, $dir_encfiles, $encryption_method;
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$encryption_key = base64_decode($enc['keys'][0]);
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if($encrypt == true) {
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$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length($encryption_method));
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$encrypted = openssl_encrypt(file_get_contents($dir_encfiles.'/'.$file), $encryption_method, $encryption_key, 0, $iv);
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file_put_contents($dir_encfiles.'/'.$file.'.enc', base64_encode($encrypted.'::'.$iv));
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} else {
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list($encrypted_data, $iv) = explode('::', base64_decode(file_get_contents($dir_encfiles.'/'.$file.'.enc')), 2);
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$decrypt = openssl_decrypt($encrypted_data, $encryption_method, $encryption_key, 0, $iv);
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file_put_contents($dir_encfiles.'/'.$file, $decrypt);
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}
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}
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?>
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