One of several documents describing an earlier version of the Secure Computing InFrastructure (SCIF) architecture and embodiment for a medical applicaton

1. Ashburn Medical Group Login Page

2. Welcome/Menu Page

3. PGP Decryption DOS Window before selecting “Dan’s Record”

4. Response from “Dan’s Record” selection
Response to selecting “Then click here” before decrypting PGP encrypted message

5. DOS Window after PGP encrypted message received

6. DOS Window after pass-phrase correctly entered
Note: Message was decrypted using Dr. George L. Abramowitz’ private key. It was properly signed by the
Signature Authority at the Ashburn Medical Group. The user is given 30 seconds to select “Then click
here” to display the decrypted page. If not, the decrypted and encrypted files are removed from disk.

7. Response to selecting “Then click here” after decrypting PGP encrypted message
The temporary file from where this page was displayed (c:/tmp/out.htm) is erase from disk 30 seconds after
it is decrypted. If it is selected within that time, it remains visible in the browser. To return to the menu,
the Return to Menu button is used. Using the browser “back” button is not advisable, as the background
program periodically erases all Ashburn Medical Group files from the cache.
Note that the date the report was prepared is included. This enables the user to ensure that the page is not
from the cache or from an attempted replay.