//"Distinguished Name" e necessario para a chave publica
$distinguishedName_Bob = array("countryName" => "US", "stateOrProvinceName" => "New York", "localityName" => "New York City", "organizationName" => "example.net", "organizationalUnitName" => "Pro PHP Security", "commonName" => "pps.safebook.com", "emailAddress" => "*****@*****.**");
$openSSL_Bob->makeKeys($distinguishedName_Bob, $passphrase_Bob);
//insere o Bob da Base de Dados
$database->insertUserDatabase($username_Bob, $password_Bob, $openSSL_Bob->getCertificateSerialNumber());
//FIM CRIACAO DO USER BOB
echo "<h4>registou o Bob <h4>";
//CRIACAO DO USER ALICE
// chave de encriptacao da chave privada
$passphrase_Alice = 'PASSWORD USADA PARA ENCRIPTAR A CHAVE PRIVADA DO ALICE';
//cria chave privada e certificado para o Alice
//"Distinguished Name" e necessario para a chave publica
$distinguishedName_Alice = array("countryName" => "US", "stateOrProvinceName" => "New York", "localityName" => "New York City", "organizationName" => "example.net", "organizationalUnitName" => "Pro PHP Security", "commonName" => "pps.safebook.com", "emailAddress" => "*****@*****.**");
$openSSL_Alice->makeKeys($distinguishedName_Alice, $passphrase_Alice);
//insere a Alice da Base de Dados
$database->insertUserDatabase($username_Alice, $password_Alice, $openSSL_Alice->getCertificateSerialNumber());
//FIM CRIACAO DO USER ALICE
echo "<h4>registou a Alice </h4>";
echo " <h1>PARTE 2 </h1>";
//extrai a chave publica do Bob
$public = $openSSL_Bob->certificate();
echo "<h4>extrai a chave publica do Bob </h4>";
//cria chave AES
$AES_key = bin2hex(openssl_random_pseudo_bytes(12, $cstrong));
echo '<h4>cria chave AES </h4>"' . $AES_key . '"';
//encripta a mensagem com a chave AES
$encrypted_message = $openSSL_Bob->encryptAES256($message, $AES_key);
echo '<h4>encripta a mensagem com a chave AES </h4>"' . $encrypted_message . '"';
//encripta a chave AES com a chave publica do Bob
$encrypted_AES_key = $openSSL_Bob->encrypt($AES_key);
echo '<h4>encripta a chave AES com a chave publica do Bob </h4>"' . $encrypted_AES_key . '"';
