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Text File | 1993-03-26 | 6.5 KB | 126 lines | [TEXT/MSWD] |
- Burn-It Version 1.0, released 3/26/93
-
- About Burn-It
-
- No data security system would be complete without a way to destroy the original versions of a file
- after they are encrypted. Burn-It provides exactly that function. It is a drag-and-drop
- application under system 7. Files dragged onto the icon will first be overwritten with zeros, then
- renamed, then deleted. Both data and resource forks are deleted. Pre System 7 users can also
- access Burn-Its capabilities, just not quite so conveniently from the menus.
-
- This is a simple application, nothing fancy. The only option allows you to select whether the
- computer should confirm destructions before they are carried out.
-
- This application is not a replacement for the trash can. You should continue to drag unimportant
- documents and applications to the trash can. When you drag a file to the Burn-It icon it will be
- irretrievably deleted.
-
- How to Destroy a File
-
- If you are a user of System 7.0 or later, you can use the drag and drop method of file selection
- which I highly recommend. To destroy a file simply drag the desired files to the Burn-It icon and
- release the mouse button. The file will be overwritten and deleted. If the Confirm Before Delete
- option has been selected you will be requested to confirm the destruction before it occurs.
-
- Pre system 7.0 users can destroy a file by double clicking on the Burn-It application and then
- selecting "Delete..." from the file menu. You will be prompted to select a file for destruction.
-
- The Options Menu
-
- The options menu of Burn-It allows you to customize the behavior of Burn-It to suit how you use
- it. An option is active only if there is a check mark next to it in the Options menu. Below each
- option is described in detail.
-
- For version 1.0 there is only one option Confirm Before Delete. This option if selected will ask
- you before it destroys each file. This will give you one last chance to change your mind. Personal
- experience suggests it is a good idea to keep this option checked or accidents will happen.
-
- Saving Options
-
- Under the file menu there is a selection called "Save Options". This will save your option
- information so that it will be used the next time the program is run. For people using intense
- virus checking software: The options are saved in a resource called OPTN (I hate preference files
- proliferating on my disk). Therefore your virus checking software needs to allow Enigma to
- update its own resources (no one else!). Disinfectant doesn't complain but I suspect Gatekeeper
- might.
-
- Limitations
-
- There are a couple of things you need to be aware of using this or any file destruction utility.
-
- The first issue concerns file names. Burn-It does its best to destroy file name as well as the data,
- but certain system extensions and inits will prevent this. Norton Utilities file saver for instance.
- No file saver I know of can prevent Burn-It from destroying the files contents, but they might
- allow recovery of the filename. Your best bet if this is a concern is to try whatever undelete
- utility you have. If the utility recovers the file name then you know this is an issue for you. If not
- then you have no problems. (Note that even if an undelete utility "recovers" a file, all that will be
- in it will be zeros.)
-
- Secondly you should be concerned if you have a file which frequently grows and shrinks in size
- (maybe a database file for instance.) There is no way for an application like Burn-It to know that
- some disk blocks used to be allocated to the file if it shrinks. This is not just a Burn-It problem,
- it applies equally to all file destruction programs available. Burn-It destroys data from the start
- of the file to the logical end of file.
-
- Do not be unduly concerned by these limits. I want to make sure users are aware of them, but the
- vast majority of normal usage will never trigger the conditions under which these problems can
- occur.
-
- Burn-It can not destroy locked files, or files on locked or write protected volumes. Nor can it
- destroy files that are in use. In such cases you will get an appropriate error message.
-
- Unrelated to security, Burn-It can only destroy files and applications. It can not and will not let
- you try to destroy folders and disks. If you need to do this select all the files and drag them to the
- Burn-It icon. If Enigma sells well I might be inspired to fix this problem :).
-
- Accidently Deleted a File instead of Burning It?
-
- Don't panic if this happens. If you can use an undelete utility to recover the file and then burn it
- properly. If you don't have an undelete utility then you still need not panic too much. Free disk
- sectors are fairly quickly reused by the system. Also you could always fill up the disk with copies
- of an innocent file.
-
- User Support
-
- I provide full support for Burn-It. Don't hesitate to send mail with questions, bug reports or
- suggestions. I want this program to be the best there is, and I want you to be a satisfied user.
-
- Notes:
-
- This program is compatible with ANY macintosh running ANY version of the system. If you
- encounter compatibility problems please let me know. Well Ok, it won't run on machines with
- 64K ROMs but if you have one of those BUY A NEW MAC! [If there are still users with the old 64K
- ROMs send me some mail, I can probably hack up a version that will work on your machines.] It
- will run on an Mac 512KE and it will run on a Quadra (it's a little faster on the Quadra though).
- Please let me know if you suspect or discover any incompatibilities.
-
- Standard Disclaimer
-
- I am not responsible for any loss or damage due to any failure of this program regardless of the
- cause.
-
- Burn-It is © 1993 by Michael Watson.
-
- Burn-It is a product of Next Wave Software (not yet ™).
-
- This program is not in the public domain. I reserve all rights to this program.
-
- You are free to distribute this program to other users provided this documentation is enclosed.
- The program can not be offered for sale without my permission. Enclosure as part of a user group
- shareware collection is allowed so long as the collection is sold only to recover distribution costs.
- Any party desiring to include this program as part of a shareware collection that is sold on a for
- profit basis must receive written permission from the author.
-
- Questions can be mailed to:
- (Note the below address is a permanent address, allow time for mail forwarding (3-4 days)).
-
- Mike Watson
- 11955 S.W. Clifford
- Beaverton, OR 97005
-
- The following email addresses can be used but should not be considered a primary means of
- communication:
- America OnLine : MikeW03
- Internet: watsonm@source.asset.com
-
-