Principles of Security: Cryptography

Data Confidentiality

• Privacy
• Protect the information from any unauthorized disclosure

Data Integrity

• Data received should be exactly same as the data sent.
• There should be no modification.

Data Availability

• Data must be available to the authorized parties.

Authentication

• Ensure communication is authentic
• Verifying the identity of sender/receiver.

Non Repudiation

• Sender/receiver can not deny of transmitted data.