1. An Installation Guide of PGP on Windows 2000
CS 627
Taotao Zhao
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2. Presentation Outline Overview System requirements for installation
Downloading
Installation
Creating a key pair
Basically using PGP
References
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3. Overview of PGP PGP, created by Philip Zimmermann,
stands for Pretty Good Privacy
The standard program for secure and file
encryption on the Internet.
Based on the public-key cryptography system
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4. System Requirements for Installation
To install PGP on a Windows 2000 system
Windows 2000
32 MB RAM
16 MB hard disk space
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5. Downloading
First make sure you have a zip utility loaded on your computer.
Go to website
Click "Download" option
Click "PGP"
Click Windows 2000
Click PGP 6.5.8
Choose nearest site to you and click
Select "save to disk“
Just put it in “desktop”. After downloading, you will see
“PGPFW658” sitting on your desktop. Close the Web.
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6. Installation • Double click “PGPFW658” and open it.
• Follow the steps for Installation.
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7. It will ask you for registration of name and company
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8. It will prompt you to choose a directory.
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9. It will ask you to select components
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10. It will show current settings
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11. Installation, con’t
It will ask if you have existing keyrings you wish to use
Last it will ask if you want to launch PGP Keys
Click “finish” to complete the PGP installation.
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12. Creating a Key Pair
After you click “finish”, the “ Key Generation Wizard” window (see Figure 1) will appear if you chose to launch PGP keys during installation.
If you did not choose to launch PGP keys during installation, you may use Start menu. On the Task bar, click the Start button, then click Programs and PGP and select PGP keys.
Then follow the Key Generation Wizard to create a key pair.
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13. Figure 1 Key generation wizard Window
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14. Enter your name and email address
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15. Choose Key Pair type
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16. Choose a Key Pair size
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17. Choose Key Pair expiration
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18. Enter a passphrase
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19. Example of PGP Public Key
Public Key Server -- Index ``tester ''
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20. PGPtray’s Current Window PGPtray
PGP Tools
PGPtray’s Current Window
PGPtray
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21. Sending Your Public Key By Email
Click over the PGPtray icon
Select PGP keys with your left-hand mouse button and the PGP keys window (see figure 2) opens
Find your key and right click on it, then select “Copy”
Use your normal program, and paste the key into the message text box.
to the person you want to give your key to.
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22. Figure 2 The PGP keys Window
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23. Adding Others’ Public Keys to your Keyring
• Get the key from a text message or bulletin board
1. Highlight the key including all of the leading and
ending dashes.
2. Click the right mouse button, and select “Copy”
3. Right click on your PGPtray icon and click “Clipboard”
4. Click “Edit” and select “Paste”
5. The “Select Key(s)” window will appear and click
“import”
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24. Encrypting A Message Write a message using your email program
Click on the PGPtray icon and select Current Window and Encrypt & Sign
PGP opens a menu so you can select whose key you want to use
When you have found the key, 'drag and drop' it into the "recipient" space and click OK
It will ask you to enter your passphrase, after that you click OK
PGP pastes the encrypted message over the original in your mail program, and you then send it in the normal way.
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25. Decrypting A Message Click once over the encrypted message contents
Click on the PGPtray icon and select Current Window and Decrypt & Verify.
PGP will ask for your passphrase because it needs your private key to read the message. Enter your passphrase and PGP decrypt the message for you.
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26. Encrypting An Attachment
1. Click the icon of the file (or folder) you wish to
encrypt.
2. Right click on the file’s icon.
3. Select "PGP", then "Encrypt”
4. Select the key you wish to use to encrypt the file and drag
it to the box below, and release it.
5. Click "OK".  The file is now encrypted and will be saved
in the directory where the original file was.
6. Delete the original unencrypted file. 
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27. Decrypting An Attachment
1. Download and save an encrypted attachment to desktop
2. Right click the saved file icon
3. Select "PGP", then "Decrypt"
4. Type your passphrase, then click "OK"
5. The decrypted file appears on the desktop
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28. References
User’s Guide, PGP Freeware for Windows 95, Windows 98 and Windows NT & Windows 2000, Version 6.5 & 7.0
Installation of PGP on Windows machine,
PGP Installation and use for Dummies,
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