openpgp-php/examples/sign.php
Meitar M f8e0e997fc
Provide more guidance for understanding examples, update .travis.yml.
This commit adds an `example/README.md` file with a little bit of
guidance for running the examples themselves. This is helpful because
the examples all rely on the presence of a `phpseclib` installation
available to the PHP interpreter, and while there is a `composer.json`
file to this effect, none of the examples included the Composer
`autoload.php` file.

This commit makes no modifications to the example code itself, but does
`include_once()` the Composer autoload script so that `phpseclib` loads
and avoids causing a fatal error when a new user attempts to run the
examples to learn how to use the library.

This commit also updates the Travis `before_script` build script, dropping
the `--dev` argument to the `composer install` command. Current versions
of Composer emit a deprecation notice when `--dev` is passed.
2018-12-20 13:42:15 -07:00

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PHP

<?php
@include_once dirname(__FILE__).'/../vendor/autoload.php';
require_once dirname(__FILE__).'/../lib/openpgp.php';
require_once dirname(__FILE__).'/../lib/openpgp_crypt_rsa.php';
/* Parse secret key from STDIN, the key must not be password protected */
$wkey = OpenPGP_Message::parse(file_get_contents('php://stdin'));
$wkey = $wkey[0];
/* Create a new literal data packet */
$data = new OpenPGP_LiteralDataPacket('This is text.', array('format' => 'u', 'filename' => 'stuff.txt'));
/* Create a signer from the key */
$sign = new OpenPGP_Crypt_RSA($wkey);
/* The message is the signed data packet */
$m = $sign->sign($data);
/* Output the raw message bytes to STDOUT */
echo $m->to_bytes();