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96 lines
2.9 KiB
Markdown
96 lines
2.9 KiB
Markdown
# PC/SC for PHP
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## About
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This is the only extension for using [PC/SC](http://www.pcscworkgroup.com/) based smart cards with [PHP](http://www.php.net). It is a wrapper to the wonderful and free project by Ludovic Rousseau, [PCSC-Lite](https://pcsclite.apdu.fr/), which is the middleware to access a smart card using SCard API (PC/SC). Since PCSC-Lite is compatible to the winscard API it should be possible to compile this extension using a Windows or macOS operating system.
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Thanks are going to Johann Dantant! He provided a PC/SC extension for PHP since 2005 and I reused some of his code. He allowed me to relicense these parts under the terms of the PHP license so I could integrate PCSC-Lite native into PHP.
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## Installation
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I recommend to install the PECL extension the "PHP" way:
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```
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pecl install pcsc-beta
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```
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You can install the latest code by downloading the sources and compile yourself too.
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```
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git clone https://github.com/pcsc-for-php/pcsc.git
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cd pcsc
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phpize
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./configure
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make
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make install
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```
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After that you have all needed files in ./modules/ .
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## API
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The extension currently provides the following API:
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### scard_establish_context();
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Returns the application $context to the PC/SC resource manager.
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### scard_is_valid_context($context);
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Returns TRUE if $context is valid or FALSE if $context is not valid.
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### scard_release_context($context);
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Releases the application $context.
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### scard_list_readers($context);
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Returns an array of available readers or FALSE.
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#### Example:
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```
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array(3) {
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[0]=>
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string(26) "OMNIKEY CardMan 5x21 00 00"
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[1]=>
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string(26) "OMNIKEY CardMan 5x21 00 01"
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[2]=>
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string(76) "SCL01x Contactless Reader [SCL01x Contactless Reader] (21161009200722) 00 00"
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}
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```
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### scard_connect($context, "OMNIKEY CardMan 5x21 00 00");
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Connects to a card. Returns the $connection to a reader or FALSE.
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### scard_reconnect($connection);
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Returns the $connection to a reader or FALSE.
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### scard_disconnect($connection);
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Disconnects the $connection to a card. Returns the TRUE if disconnecting was succesful or FALSE.
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### scard_transmit($connection, $apdu);
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Returns the response $apdu as string or FALSE.
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### scard_status($connection);
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Returns the status or FALSE.
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### scard_cancel($context);
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## License
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This code is licensed under the terms of the PHP License version 3.01. PCSC-Lite is licensed in a way where it is possible to integrate it native in the PHP environment.
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## Links
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* [PECL Project Page](http://pecl.php.net/package/pcsc) - Page for package download at PHP.net
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* [PC/SC Worgroup](http://www.pcscworkgroup.com/) - Homepage and definition file downloads
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* [PC/SC](http://en.wikipedia.org/wiki/PC/SC) - PC/SC at Wikipedia
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* [PC/SC-Lite](https://pcsclite.apdu.fr/) - The free and open implementation of the PC/SC SCard API for UNIX
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* [PCSC sample in PHP5](http://ludovicrousseau.blogspot.de/2015/01/pcsc-sample-in-php5.html) - Ludovic Rousseau about "PC/SC for PHP"
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