Network Security I Lecture 7

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15 Questions

Which technique is primarily used to ensure the integrity of data?

Hash Functions

What is the purpose of a digital signature in message authentication?

To verify the authenticity and integrity of the message

In the context of data integrity, what can be compared to ensure that a document has not been changed?

Sender's fingerprint on the document and on file

Which cryptographic technique is mainly used for confidentiality rather than integrity?

Encryption and decryption

What is the primary purpose of a Message Authentication Code (MAC)?

To ensure the integrity of the message

What is the primary purpose of a cryptographic hash function?

Detecting changes in data

In the context of network security, what is the main function of a digital signature?

Verifying the identity of the sender and ensuring data integrity

What is the primary role of a message authentication code (MAC) in network security?

Verifying the integrity and authenticity of transmitted messages

In the context of data integrity, what is the purpose of using a cryptographic W Authentication Code (MAC)?

Verifying the integrity and authenticity of transmitted data

Which technique is primarily used to ensure that a document has not been tampered with in network security?

Detecting changes in data using cryptographic hash functions

In the context of network security, which technique is primarily used for ensuring integrity rather than confidentiality?

Cryptographic Hash Functions

What is the main purpose of a Cryptographic Authentication Code (MAC) in data integrity?

Ensuring data integrity

Which cryptographic technique is primarily used to indicate that a document has come from and been approved by the sender?

Digital Signature

What is the main function of a digital signature in network security?

Ensuring data authenticity

Which technique can be compared to a fingerprint on a document in order to ensure that the document has not been changed?

Digital Signature

Learn about data integrity techniques in network security with Dr. Ebrahim A. Rahman Janahi. Topics covered include hash functions, cryptographic authentication code, digital signature and the birthday attack.

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