Author: Bohemia Interactive
Author Website:

Requirements: No addons required

Version: 2

Short description: DSUtils 2 contains all tools needed for signing Arma 2: Operation Arrowhead content.

Date: 2011-05-02 10:37

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DSUtils 2

Bohemia Interactive Studio
Copyright (c) 2009 Bohemia Interactive. All rights reserved.

DSUtils 2 contains all tools needed for signing Arma 2: Operation Arrowhead content.

DSCreateKey / DSCheckSignatures ver 2
For more information about ArmA digital signatures system please visit

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 2 / Arma 2: Operation Arrowhead.

Usage: DSCreateKey
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.

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

Usage: dsSignFile private_key_filename file_to_sign_filename

The utility will generate signature for file using given private key.

Game Servers
It is recommended to configure game server to require version 2 signatures using server.cfg:
verifySignatures = 2; //1 = sigVer1 allowed, 2 = at least sigVer2 needed

Usage / Information:

Forum topic:
- BI forums

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