Inside : Intranet For Internal Office Supply Ordering
Business Rules

1. Employee searches office products database for required products
2. Employee selects required products and fills up online order form
3. Order form is routed via intranet to supervisor for approval
4. Supervisor either approves order by attaching digital signature or rejects order
5. Employee receives either rejected order form or approved order form
6. If approved, employee retrieves supervisor’s digital certificate from relevant database to verify supervisor’s digital signature on order form
7. Employee submits approved order form for processing

Business Objects


“People” objects

• Employee
• Supervisor
• Person processing order

“Things” objects

• Browser
• Search engine
• CGI
• Office products database
• DBMS
• Online order form
• Email
• Intranet
• PKI software
• Private key
• Smart card or token containing private key
• Digital signature
• Digital certificate
• Public key
• Order processing software

Business Rules

1. Always use the Intranet for office supply ordering.
2. Always complete the online order form before routing it to supervisor for approval
3. The order form must be routed to the supervisor via the Intranet
4. The supervisor must either approve or reject the order form
5. The supervisor must always attach his digital signature to signify his approval
6. Always verify the supervisor’s digital signature using the supervisor’s public key found in the supervisor’s digital certificate before submitting the order form for processing
Process Diagram