6. Vocabulary - Relationships Owners countermeasures vulnerabilities risk assets Threat agents threats value wish to minimize to reduce impose may be aware of that may be reduced by that may possess leading to that increase give rise to wish to abuse and/or may damage that exploit Security Concepts and Relationships (Source: Common Criteria)
11. Secure Email Secure Email Message Encrypted Message Message E E Digital Signature D Encrypted S-Key OPRI S-Key RPUB RPRI S-Key H D Digest E Digest D OPUB H Digest Originator Receiver
12. Secure Email Message Encrypted Message Message E E Digital Signature D Encrypted S-Key OPRI S-Key RPUB RPRI S-Key H D Digest E Digest D OPUB H Digest Originator Receiver S-Key: Symmetric Key OPUB: Originator ’ s Public Key OPRI: Originator ’ s Private Key RPUB: Receiver ’ s Public Key RPRI: Receiver ’ s Private Key
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