cryptography

Question 1

What is cryptography?

Answer 1

To keep sensitive data confidential and its integrity

Question 2

What is encryption?

Answer 2

It is the science behind hiding data

Question 3

cryptography and security concepts types

Answer 3

Confidentiality
      - Encryption
Integrity
      - hashing
Availability
   -redundancy and fault tolerance
Non-repudation
    -digital signature (digital certificate, token)

Question 4

What is light weight cryptography?

Answer 4

used for lower power devices, and constrained devices (low processing power). To have very strong encryption that doesn’t need a lot of processing power.

Question 5

What protocols used in Light weight cryptography?

Answer 5

Ciphers

-present and twine

Question 6

What are quantum communications and computing?

Answer 6

These are still theoretical, and when this does become more common. there are encryption worries due to the ability to break that hardest.

Post-quantum
- resilient to quantum computing

Question 7

What is block chain?

Answer 7

Distributed public ledger keep, done by using a block transaction information stored in blocks, can be verified and a hash is applied with a time stamp, each block is added to create a chain, every transaction can be verified