|   | ISO Security - Mechanisms |   | 
- Connectionless integrity selective field
- encryption
- digital signature
- data integrity
 
- Non-repudiation at origin
- digital signature
- data integrity
- notarisation
 
- Non-repudiation of receipt
- digital signature
- data integrity
- notarisation
 
   | Slide 11 | ©Copyright 1997 | Jan Newmarch |