INLS 21096 Electronic Business for Information Professionals

1
INLS 210-96Electronic Business for Information
Professionals

• Digital Payment Systems
• June 13, 2000

2
Consumer Transactions

• 55 Cash
• 29 Check
• 16 Electronic

3
Requirements

• Acceptability
• Anonymity
• Convertibility
• Efficiency
• Flexibility

• Integration
• Reliability
• Scalability
• Security
• Usability

4
Security

• Issues
• Authentication
• Encryption
• Integrity
• Non-repudiation

5
Security

• Schemes
• Secret Key Cryptography
• Public Key Cryptography
• Digital Signatures
• Certificate Authorities
• Digital Envelopes
• Transaction Certificates
• Time Stamping

6
Security

• Secure Socket Layer Protocol
• Asymmetrical encryption Public Key encryption
• Digital signatures

7
C2B Services

• eCash
• PocketCard
• eCharge
• iPin
• 1ClickCharge
• Qpass
• Amex Blue

8
C2C Services

• PayPal
• eMoneyMail
• eCount
• Pay2card
• Billpoint
• ProPay.com
• Western Union