Author: BIS
Author Website: http://www.bistudio.com/

Requirements: No addons required

Version: 1.0

Short description: This tool is released for addon makers in order to allow them to generate their own digital signatures (private and public keys) to be used for signing data packages for Arma.
Date: 2013-06-04 08:14
Submitted by: Foxhound


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DSCreateKey / DSCheckSignatures

by
BIS
Copyright (c) 2007 Bohemia Interactive a.s. All rights reserved.


Description:
This tool is released for addon makers in order to allow them to generate their own digital signatures (private and public keys) to be used for signing data packages for Arma.

Addon signatures are a way to reduce cheating in Arma. They are used to detect data files modified by anyone else but the addon creator. They are based on strong cryptographic principles (private/public key pairs), therefore hacking around them is very hard.

Addon is signed by its creator using a private key, while the public key is used by the game to verify that the addon has not been modified.

DSCreateKey
Usage: DSCreateKey <authorityname>
It will generate private and public keys (authorityname.biprivatekey authorityname.bikey ).
Authority name is the name of signing authority, usually the author of addons to be signed. Using TAG is recommended practice. The name itself serves only to identify the group.

Important:
Make sure to protect your private key well. Only public keys can be distributed with your content to public.


DSCheckSignatures
Usage: DSCheckSignatures <checked directory> <keys directory>
The utility will verify if all files in the given directory are signed by one of keys from the keys directory.


Installation / Usage:
For more information about ArmA digital signatures system please visit http://community.bistudio.com/wiki/Armed_Assault:_Addon_Signatures




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