signing files from php script

[Timo Schulz]

On Mon, Jan 22, 2001 at 02:12:18PM +0100, Juan Antonio Martinez wrote:

> >     $pipe = "/usr/bin/gpg -o output_file --homedir path/to/gnupg";
> >     $fd=popen($pipe,"w");
> >     fwrite($fd,$msg);
> >     fclose($fd);
> 
> 	It doesn't work... my problem is that gpg allways ask me for a 
> passphrase and cannot find any valid way to provide it from a apache/php3 
> script. perhaps via a "dummy program..." but seems to me not a very good way
> to do the right thing...

What about this?

$pipe = "/usr/bin/gpg --passphrase-fd=0";
$fd = popen( $pipe, "w" );
fwrite( $fd, $passphrase );
fwrite( $fd, $msg );
fclose( $fd );

Then gpg asks for the passphrase on the stdin. First we
wrote the passphrase to the pipe and then the message, that
should work (hopefully ;-)).


Timo

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