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gnupg Functions
This module allows you to interact with » gnupg.
The gnupg extension requires PHP 4.3. To use this extension in an OO style, PHP 5 is required.
This extension requires the » gpgme library
The gnupg-extension is not bundled with PHP. It is a » PECL extension and can be located here: » http://pecl.php.net/package/gnupg.
-
GNUPG_SIG_MODE_NORMAL(integer) -
GNUPG_SIG_MODE_DETACH(integer) -
GNUPG_SIG_MODE_CLEAR(integer) -
GNUPG_VALIDITY_UNKNOWN(integer) -
GNUPG_VALIDITY_UNDEFINED(integer) -
GNUPG_VALIDITY_NEVER(integer) -
GNUPG_VALIDITY_MARGINAL(integer) -
GNUPG_VALIDITY_FULL(integer) -
GNUPG_VALIDITY_ULTIMATE(integer) -
GNUPG_PROTOCOL_OpenPGP(integer) -
GNUPG_PROTOCOL_CMS(integer) -
GNUPG_SIGSUM_VALID(integer) -
GNUPG_SIGSUM_GREEN(integer) -
GNUPG_SIGSUM_RED(integer) -
GNUPG_SIGSUM_KEY_REVOKED(integer) -
GNUPG_SIGSUM_KEY_EXPIRED(integer) -
GNUPG_SIGSUM_KEY_MISSING(integer) -
GNUPG_SIGSUM_SIG_EXPIRED(integer) -
GNUPG_SIGSUM_CRL_MISSING(integer) -
GNUPG_SIGSUM_CRL_TOO_OLD(integer) -
GNUPG_SIGSUM_BAD_POLICY(integer) -
GNUPG_SIGSUM_SYS_ERROR(integer) -
GNUPG_ERROR_WARNING(integer) -
GNUPG_ERROR_EXCEPTION(integer) -
GNUPG_ERROR_SILENT(integer)
This extension makes use of the keyring of the current user. This keyring is normally located in ~./.gnupg/. To specify a custom location, store the path to the keyring in the environment variable GNUPGHOME. See putenv for more information how to do this.
Some functions require the specification of a key. This specification can be anything that refers to an unique key (userid, key-id, fingerprint, ...). This documentation uses the fingerprint in all examples.
This extension also comes with an Iterator for your keyring.
<?php
// create a new iterator for listing all public keys that matches 'example'
$iterator = new gnupg_keylistiterator("example");
foreach($iterator as $fingerprint => $userid){
echo $fingerprint." -> ".$userid."\n";
}
?>This example will clearsign a given text.
Example 820. gnupg clearsign example (procedural)
<?php
// init gnupg
$res = gnupg_init();
// not really needed. Clearsign is default
gnupg_setsignmode($res,GNUPG_SIG_MODE_CLEAR);
// add key with passphrase 'test' for signing
gnupg_addsignkey($res,"8660281B6051D071D94B5B230549F9DC851566DC","test");
// sign
$signed = gnupg_sign($res,"just a test");
echo $signed;
?>Example 821. gnupg clearsign example (OO)
<?php
// new class
$gnupg = new gnupg();
// not really needed. Clearsign is default
$gnupg->setsignmode(gnupg::SIG_MODE_CLEAR);
// add key with passphrase 'test' for signing
$gnupg->addsignkey("8660281B6051D071D94B5B230549F9DC851566DC","test");
// sign
$signed = $gnupg->sign("just a test");
echo $signed;
?>Table of Contents
- gnupg_adddecryptkey — Add a key for decryption
- gnupg_addencryptkey — Add a key for encryption
- gnupg_addsignkey — Add a key for signing
- gnupg_cleardecryptkeys — Removes all keys which were set for decryption before
- gnupg_clearencryptkeys — Removes all keys which were set for encryption before
- gnupg_clearsignkeys — Removes all keys which were set for signing before
- gnupg_decrypt — Decrypts a given text
- gnupg_decryptverify — Decrypts and verifies a given text
- gnupg_encrypt — Encrypts a given text
- gnupg_encryptsign — Encrypts and signs a given text
- gnupg_export — Exports a key
- gnupg_geterror — Returns the errortext, if a function fails
- gnupg_getprotocol — Returns the currently active protocol for all operations
- gnupg_import — Imports a key
- gnupg_keyinfo — Returns an array with information about all keys that matches the given pattern
- gnupg_setarmor — Toggle armored output
- gnupg_seterrormode — Sets the mode for error_reporting
- gnupg_setsignmode — Sets the mode for signing
- gnupg_sign — Signs a given text
- gnupg_verify — Verifies a signed text