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stream_socket_enable_crypto

(PHP 5 >= 5.1.0)

stream_socket_enable_cryptoTurns encryption on/off on an already connected socket

Описание

mixed stream_socket_enable_crypto ( resource $stream , bool $enable [, int $crypto_type [, resource $session_stream ]] )

Enable or disable encryption on the stream.

Once the crypto settings are established, cryptography can be turned on and off dynamically by passing TRUE or FALSE in the enable parameter.

Список параметров

stream

The stream resource.

enable

Enable/disable cryptography on the stream.

crypto_type

Setup encryption on the stream. Valid methods are

  • STREAM_CRYPTO_METHOD_SSLv2_CLIENT
  • STREAM_CRYPTO_METHOD_SSLv3_CLIENT
  • STREAM_CRYPTO_METHOD_SSLv23_CLIENT
  • STREAM_CRYPTO_METHOD_TLS_CLIENT
  • STREAM_CRYPTO_METHOD_SSLv2_SERVER
  • STREAM_CRYPTO_METHOD_SSLv3_SERVER
  • STREAM_CRYPTO_METHOD_SSLv23_SERVER
  • STREAM_CRYPTO_METHOD_TLS_SERVER

session_stream

Seed the stream with settings from session_stream .

Возвращаемые значения

Returns TRUE on success, FALSE if negotiation has failed or 0 if there isn't enough data and you should try again (only for non-blocking sockets).

Примеры

Пример #1 stream_socket_enable_crypto() example

<?php
$fp 
stream_socket_client("tcp://myproto.example.com:31337"$errno$errstr30);
if (!
$fp) {
    die(
"Unable to connect: $errstr ($errno)");
}

/* Turn on encryption for login phase */
stream_socket_enable_crypto($fptrueSTREAM_CRYPTO_METHOD_SSLv23_CLIENT);
fwrite($fp"USER god\r\n");
fwrite($fp"PASS secret\r\n");

/* Turn off encryption for the rest */
stream_socket_enable_crypto($fpfalse);

while (
$motd fgets($fp)) {
    echo 
$motd;
}

fclose($fp);
?>

Результатом выполнения данного примера будет что-то подобное:






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