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PWRPGP32.ZIP
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POWERPGP.EXE
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1996-06-06
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'PowerPGP 1.3x '
'PGP Message Encryption Shell for Windows'
''
''
''
'Important!!! '
'Read this entire document before using to understand exactly wha' +
't all the features do.'
''
''
''
'First - The Legal Stuff:'
'THIS SOFTWARE AND ACCOMPANYING MATERIALS ARE DISTRIBUTED "AS IS"' +
' WITHOUT WARRANTY, '
'EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT LIMITED TO ANY ' +
'IMPLIED WARRANTIES OF '
'MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVEN' +
'T SHALL ANYONE INVOLVED '
'WITH THE CREATION AND PRODUCTION OF THIS PRODUCT BE LIABLE FOR I' +
'NDIRECT, SPECIAL, OR '
'CONSEQUENTIAL DAMAGES, ARISING OUT OF ANY USE THEREOF OR BREACH ' +
'OF ANY'
'WARRANTY. THIS SOFTWARE IS LICENSED NOT SOLD. YOU DO NOT OWN TH' +
'E SOFTWARE AND YOU ARE '
'NOT ALLOWED TO DECOMPILE OR DISASSEMBLE THIS SOFTWARE IN ANY WAY' +
'.'
''
'Requirements:'
'The DOS PGP program must be PROPERLY installed before PowerPGP!!' +
'!'
'Windows 95 or Windows 3.1X running enhanced mode'
'386DX+ CPU (486 or better recommended)'
'4 MB RAM (Required for Windows to Run Enhanced mode halfway effi' +
'ciently) '
'8 MB RAM recommended'
''
'Required Files:'
'POWERPGP.EXE - The executable program itself. (Put in Any direct' +
'ory you like)'
''
'PGPUSR.EXE - A DOS executable creates a list of users in your Pu' +
'bring.PGP file for PoerPGP to use. (Put in the same '
'directory as your PGP.EXE program)'
''
'POWERPGP.RTF - This document'
''
'FILE_ID.DIZ - BBS Description file'
''
'J_FEENIN.PGP - My Public Keys to import into your public keyring' +
' so you can encrypt mail to me.'
''
'PGPW.HLP - Help File Documentation for DOS PGP Written by Jeff S' +
'heets. Put in your PGP directory.'
''
'What is PowerPGP? - PowerPGP is simply a shell program for the ' +
'DOS based FREEWARE PGP Program. You must '
'have the PGP program installed prior to running PowerPGP or it w' +
'ill do nothing. PowerPGP was designed to make '
'writing and Encrypting E-mail messages E-mail messages simple an' +
'd easy in Windows. It is designed mainly towards '
'that end although it can also encrypt files as well. This file ' +
'will cover the basics of PowerPGP operation, it will not go '
'into detail on how to use PGP itself. PGP has it'#39's own very wel' +
'l put together set of documentation that you should have '
'already read and if you haven'#39't go do it now. Also it should be' +
' noted that there are many more advanced options to '
'PGP that are not supported in the shell. The idea was to keep i' +
't simple and easy to use so I did not put in options that I '
'myself would not use on a regular basis. PowerPGP will encrypt ' +
'and decrypt messages for any internet mail program or '
'any Windows based BBS program because it uses the Windows Clipbo' +
'ard to cut and paste the info to and from the '
'application.'
''
''
'Writing a message with PowerPGP. - To compose a message that yo' +
'u intend to encrypt with PowerPGP is simple. You '
'simply type the message into the message window of PowerPGP and ' +
'enter the Public Key name of the user you intend '
'to send it to in the "Public Key To Use" box of PowerPGP. When ' +
'you are done writing your message you select the '
'encrypt option. PowerPGP will then write the file to a temp file' +
' and shell out to the DOS PGP program with the correct '
'commands to encrypt it and then read the encrypted message back ' +
'into the message window. PowerPGP will then '
'automatically delete the temp files it wrote. You now have an e' +
'ncrypted version of your message in the message '
'window. You can then click on the "Cut" button and it will cut ' +
'the encrypted message to the clipboard. You then go to '
'the message editor on your mail program and paste the encrypted ' +
'message into your compose message window, It '
'sounds a lot worse than it really is. Also it should be noted t' +
'hat you MUST have the public key to the person you are '
'sending the message to on your public keyring already. Once you' +
' encrypt a message to someone with their public key '
'not even you can decrypt it, only they and their secret key can ' +
'decrypt it. For more information refer to the PGP '
'documentation.'
''
''
'Decrypting a message with PowerPGP. - Similarly this is done wi' +
'th the clipboard. First make sure your message window '
'in your mail reader is wide enough that none of the lines are wo' +
'rd-wrapped where they are not supposed to be. You will '
'be able to tell trust me. Making sure the lines are all even th' +
'en select the entire message block including the BEGIN '
'and END PGP message lines. PGP needs these to know when to start' +
' and stop decrypting, without them decryption will '
'fail. After selecting the entire encrypted message copy it to th' +
'e clipboard with whatever command your mail reader uses, '
'usually Ctrl-C in windows programs. Then go to the PowerPGP pro' +
'gram and select Paste. PowerPGP will automatically '
'replace anything in your message window with the encrypted messa' +
'ge. You can now decrypt the message with the '
'decrypt key. If the message was properly encoded with your publi' +
'c key by the person who sent it you will be able to read '
'it after decoding if you do not have the secret key required to ' +
'decrypt the message decryption will fail. Once you read '
'the message you can select the quote option and it will quote ou' +
't all the text so you can reply to the original message '
'and follow the encrypt message options to encrypt a reply back t' +
'o them. Make sure you specify their public key for '
'encrypting a message to them. You do not need to specify a publ' +
'ic key for decryption, PGP will automatically search '
'your Secret keyring for a valid secret key and prompt you for yo' +
'ur pass phrase to decrypt. Always be sure to protect your '
'pass phrase and secret key DO NOT GIVE EITHER TO ANYONE!!!'
''
''
'Signing a message with PowerPGP. - This is exactly the same as ' +
'encrypting except you use the Sign button instead of '
'the encrypt and PGP will ask you for your pass phrase to verify ' +
'it is really you signing the message. Note. PowerPGP '
'automatically uses the CLEARSIG method for signatures. This meth' +
'od signs the message but leaves the message text '
'readable. This is so the person you are sending the message to ' +
'can verify that you are the one who actually send the '
'message and that the message has not been altered. Anyone can re' +
'ad it and anyone with your public key can verify it. '
'This is mostly an authentication method.'
''
''
'Signing & Encrypting a message with PowerPGP. - This is exactly' +
' the same as encrypting except you use the '
'Sign/Encrypt button instead of the encrypt and PGP will ask you ' +
'for your pass phrase to verify it is really you signing the '
'message. This method does NOT use CLEARSIG, obviously since it ' +
'is encrypting the message. Only the person you '
'are sending it to can read it and verify you sent it, this is fo' +
'r both security and authentication.'
''
''
''
''
''
'I believe all the other features of PowerPGP are self-explanator' +
'y if you read the PGP documentation. It is really much '
'simpler than it sounds. Yes it'#39's a few extra steps to ensure yo' +
'ur privacy but isn'#39't it worth it? Would you send all you '
'personal postal mail without an envelope? Of course not so why n' +
'ot put your e-mail in a digital envelope?'
''
'Technical information (READ THIS!!!)'
''
'Windows 95 users: Make sure that you have set the properties fo' +
'r the DOS PGP program in the explorer as follows. On '
'the program tab of the properties box make sure that the window ' +
'title is "PGP" without the quotes. On the same tab '
'make sure the "Close on exit" box is checked. Now go to the Misc' +
'. tab and make sure the Background selection that '
'says "always suspend" is not, I repeat is NOT checked. If these' +
' options are not set properly PowerPGP will not function '
'properly. '
''
'Windows 3.1x Users: Windows 3.1x users should also make sure tha' +
't the corresponding settings are properly set in their '
'_default.pif file. Or in any PIF file they have associated with' +
' PGP because if their is a PIF windows will run it'#39's '
'parameters when it runs the EXE. If you do have a specific PIF f' +
'ile for PGP (you don'#39't normally need one) make sure the '
'Window Title is set to "PGP" without the quotes. Do not make thi' +
's setting in your _default.pif, this is ONLY if you have a '
'specific PIF file for PGP. '
''
'MSmail: Msmail has this nasty little habit of adding a space bef' +
'ore the dashes "-" when displaying the PGP encrypted '
'message. Why I don'#39't know I guess they would rather show you the' +
'ir interpretation of the message rather than what was '
'actually sent. Microsoft Exchange that ships with Windows 95 doe' +
's not exhibit this problem even with mail sent from '
'Msmail. When a message was copied to PowerPGP from Msmail you w' +
'ill need to remove that extra little space they '
'added manually. Don'#39't blame me I didn'#39't write Msmail.'
''
'Why does the Window Title have to be PGP for both? Well the answ' +
'er is quite simple... When encrypting a message '
'PowerPGP shells to the DOS PGP program to do the real work, when' +
' it does it creates a windows that must be titled '
'PGP because the PowerPGP program is looking for a window by that' +
' name to close so it knows PGP is done with it'#39's '
'work and PowerPGP can now import the results. If the window is ' +
'not named properly then it will think the window is '
'closed immediately and try to import the results since their are' +
' none yet it will fail. This may not be the best example of '
'programming possible but what they hay, what do you expect for F' +
'REE.'
''
'Extremely Long Pass Phrases and Paths to the PGP file may cause ' +
'problems with PowerPGP. This is because the '
'maximum number of characters that can be sent directly to DOS fo' +
'rm Windows is 128 whereas if you were at the DOS '
'prompt you can use 256. When PowerPGP builds the command string' +
' to send to PGP if it excededs 128 Characters '
'you will get some message saying something about unable to find ' +
'a key for someone with their name chopped off and '
'the PGP executable path attached to the end. If this happens yo' +
'u overran the 128 character limit. To help prevent this '
'some things you can do are:'
''
'1. Keep the path to PGP a simple one such as C:\PGP rather than ' +
'something like '
'C:\WINDOWS\ENCRYPT\EMAIL\PGP this is an easy solution and presen' +
't no security risk.'
''
'2. If your Pass Phrase is long it too can be a problem, the easi' +
'est solution to this is to tell PowerPGP you want to tell your '
'pass phrase directly to PGP each time you decrypt a message. Th' +
'is will prevent your pass phrase from being included in '
'the command line and thus shorten it quite a bit. This in fact ' +
'is not only not a security risk but quite the opposite.'
''
'3. Long username keys can also be a cause to exceed the 128 cha' +
'racter limit, however you will find that either one or '
'both of the above fixes will allow almost any Public Key Name. ' +
'The only fix if you have tried both of the above and this '
'still happens it to use a shorter public key name. (Edit it you' +
'rself in the field). You can also edit the list of users yourse' +
'lf '
'in the PowerPGP.USR file in your PGP directory so that you do no' +
't need to edit the name every time. for the long ones '
'you can edit the key and leave only the first and last name for ' +
'that individual and it will work fine. This would be a last '
'resort.'
''
'I could write a batch file and execute it like other programs do' +
' then there is only the 256 character limit of DOS, '
'however, this leaves a little to be desired if you want to use t' +
'he option of sending the pass phrase to PGP. Obviously '
'you would not want to write your pass phraseinto a batch file ev' +
'en if it was deleted when it was done being used, this '
'would be a huge security breach. I cannot stress enough that fo' +
'r most people none of these options will be required '
'and if any the first will solve almost all problems.'
''
'NOTE: These same symptoms can happen with encrypting (ASCII ARMO' +
'Ring) a file, the simplest solution in that case is '
'to move the file to a directory right off the root such as C:\TE' +
'MP and try encrypting it again, files are easy to do this with '
'since you can typically move them at will.'
''
''
'New Features Since 1.00 (1.00 to 1.20)'
''
'AutoSave: PowerPGP will autosave the message you are working on' +
' once a minute in the background. If you are '
'working on a message when you exit PowerPGP it will automaticall' +
'y reload that message when PowerPGP is restarted. '
'Some people may consider this a security breach while other will' +
' like the feature so for those that want to disable the '
'feature run PowerPGP with the d switch as so "PowePGP.EXE d" wit' +
'hout the quotes of course.'
''
'Save Message: PowerPGP will now save a message to a file if you' +
' wish. This is so you can write several encrypted '
'messages off-line and then log on and send them. If you want to' +
' come back to the message and read it yourself later it '
'is recommended that you encrypt it with your own public key befo' +
're you save it then when you reload it you will be able '
'to decrypt it and edit it then re-encrypt it with the recipients' +
' key and send it. Of course you can save a message that '
'isn'#39't encrypted but that is most definitely NOT recommended.'
''
'Resizability: The Form is now resizable so you can change the s' +
'ize of your message editor to your liking. There is a '
'minimum size however the form will not get smaller than a certai' +
'n amount.'
''
'Fonts: There have been problems with certain keyboard sets wit' +
'h the built in fonts of the previous version so now you '
'can pick your own from your favorite from your own system. Keep' +
' in mind that the message is encrypted as text the '
'recipient will not see the font you used to enter the message wi' +
'th it is simply for you to be able to pick the font you find '
'the most readable. I recommend Terminal, MS Sans Serif, or Aria' +
'l but the choice is yours.'
''
'Pull Down list of PUBRING.PGP names: Instead of manually typing' +
' in the name of every person you send mail to there '
'is now the option to run the DOS Program PGPUSR.EXE in your PGP ' +
'directory. This program will make a list of the '
'names in your Public Key file for PowerPGP to use. This way you' +
' can just scroll down to who you want to encrypt mail '
'to rather than doing all the typing and worrying about misspelli' +
'ngs. There is also the option under the Key Management '
'menu to "Update Public Keyring List" this will run PGPUSR for yo' +
'u but the changes will not take effect until you close '
'PowerPGP and rerun it. You should update this list everytime yo' +
'u add or remove a key from your Public Keyring. '
'PowerPGP will also automatically run PGPUSR when you add or remo' +
've keys from your public keyring from within '
'PowerPGP.'
''
'New Quoting Method: Instead of using the ">" method of quoting ' +
'PowerPGP now places the message below the '
'current message and places the text "-------- REPLY, Original me' +
'ssage follows --------" before the quoted text and "-------- '
'REPLY, End of original message --------" after. This method was' +
' necessary since the for is now resizable and there will '
'be a different number of characters in different peoples editors' +
'. The only other option was to impose a line character '
'limit but I would rather leave that up to individual taste and i' +
'ndividual mailers. If they didn'#39't match the result would be a '
'mess so this was the only logical method for me to use.'
''
'Printing: You can now print out your messages.'
''
'New Features 1.20 to 1.23'
''
'Remember Pass Phrase: PowerPGP will now remember your pass phra' +
'se if you choose. Unless you tell it other wise '
'PowerPGP will only ask you for your pass phrase once per session' +
' (each time you run it) after that it will remember it and '
'send the pass phrase to PGP automatically. This is much more con' +
'venient when reading and signing many mail '
'messages, however it does represent some potential for a securit' +
'y breach since an experienced attacker "might" be '
'able to analyze your swap file and find your key. It is a minim' +
'al risk in most cases but nonetheless it is a risk. It is for t' +
'hat '
'reason you will also see a checkbox when the program asks for yo' +
'ur passphrase where you can choose to tell your pass '
'phrase directly to PowerPGP each time, the choice is yours.'
''
'Signature: PowerPGP will now allow for a text signature much li' +
'ke the signature most mail clients automatically add to '
'your E-mail. This is handy if you want your signature to be add' +
'ed BEFORE your message is encrypted also it is a good '
'place to put your public key so anyone you send mail to automati' +
'cally gets your Public Key. If you leave the signature '
'blank PowerPGP adds nothing, the self promotional tags it used t' +
'o add are gone.'
''
'New Features Since 1.23 to 1.32'
''
'Fixed Line Length: PowerPGP will now Fix the word-wrap at 65 ch' +
'aracters or less when signing and/or encrypting a '
'message. This will fix problems with some programs that added t' +
'heir own line feed characters to messages that had '
'longer lined after they were signed causing the signature to fai' +
'l verification.'
''
'Toolbar: A toolbar has been added to make accessing some of the' +
' functions a little easier. The right-click popup menu '
'has been modified to include the encrypt/ decrypt optons.'
''
'No More Minimized Windows: PowerPGP will now display all window' +
's in a normal screen. Showing certain ones as '
'minimized seemed to be a bit of a convenience but it also made i' +
't harder to see some of the prompts etc. that were '
'issued by PGP itself. Showing the window in normal mode is sim' +
'ply more practical.'
''
'New Features Since 1.32 to 1.33'
''
'Paste/Decrypt Option Added: There is now a button to paste and ' +
'decrypt in one shot. Makes life just the tiniest bit '
'easier for users.'
''
'PGP Help File Added: The PGPW.HLP file is now included with Pow' +
'erPGP and can be called from the Help menu. '
'Please keep in mind that this is a help file for PGP itself and ' +
'not PowerPGP. I would like to thank Jeff Sheets '
'(Xanthur@aol.com) for his permission to distribute the help file' +
' that he wrote.'
''
''
'New Features Since 1.33 to 1.34'
''
'Command Length Optimization: Since many users were having probl' +
'ems with the command lengths exceeding 128 '
'characters, some steps were taken to reduce the coimmand length ' +
'wherever possible. Keep in mind if you are still '
'having problems encrypting or decrypting (especially decrypting)' +
' where it looks like the command has wrapped around '
'on itself, this is caused by the command line length being longe' +
'r than 128 characters. To prevent this you can try '
'moving your PGP files to a directory closer to the root such as ' +
'C:\PGP and if this still doesn'#39't help tell the pass phrase '
'dialog you want to tell your pass phrase directly to PGP. This ' +
'will shorten the command by the length of your pass '
'phrase and thus fix your problem. I am sorry about this limitat' +
'ion it'#39's the Windows API, not me.'
''
'PowerPGP Help Added: This document has been compiled into Power' +
'PGP.'
''
''
'Contacting the Author:'
''
'If you have read this and the PGP manual and would like more hel' +
'p on PowerPGP or you have a bug report you can '
'contact me at:'
''
'Internet:'
#9'joe@feenin.roc.servtech.com'
#9'joe@servtech.com'
''
'Or via snail mail to:'
''
#9'Joe Feenin'
#9'236 Flower City Park'
#9'Rochester, New York 14615'
''
'There usenet newsgroups on the subject of PGP and many fine arti' +
'cles about it I recommend reading a few. ')
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