digital sugnatures, php, and shell :-)
I have a web service that can (also) email documents to clients.
I want to be able to digitally sign documents in order to email them signed as proof of correct content.
I am looking for a way to sign these documents.
The documents are currently in HTML format but may be converted to PDF / DOC format in the future.
The web service is written in PHP and i have access to shell, so i figure either there's a way to sign files with PHP, or I have to run system() command with php and sign as if I am signing from shell.
Everything is on Debian Etch, Apache and MySQL.
Can anyone help?