<?php include '../phpseclib/vendor/autoload.php'; $rsa_signer = new \phpseclib\Crypt\RSA(); $private = file_get_contents('private.pem'); $rsa_signer->setPassword('VdcpDTWTc5Aehxgv2uL9haaFddDBhrc8uCMG3ykg'); $rsa_signer->load($private); $rsa_signer->setHash('sha512'); $rsa_signer->setMGFHash('sha512'); $message = 'Litwo Ojczyzno moja, ty jesteś jak zdrowie'; $signature = $rsa_signer->sign($message, phpseclib\Crypt\RSA::PADDING_PSS); $signature_base64 = base64_encode($signature); echo 'Message: ' . $message . "\r\n"; echo 'Signature (RAW): ' . $signature . "\r\n"; echo 'Signature (base64): ' . $signature_base64 . "\r\n"; echo '------------------------------------DECODING------------------------------------------' . "\r\n"; $rsa_verifier = new \phpseclib\Crypt\RSA(); $rsa_verifier->setHash('sha512'); $rsa_verifier->setMGFHash('sha512'); $public = file_get_contents('public.pem'); $rsa_verifier->load($public); $verification = $rsa_verifier->verify($message, $signature); echo 'Verified: ' . ($verification ? 'TRUE' : 'FALSE');