Methods Of Security Across Internet

Question 1

Why encryption

Answer 1

Makes data unreadable so that ur keeps data secure when it is encrypted so if it is intercepted it becomes meaningless as it makes no sense

Question 2

Keys public / private

Answer 2

Two keys connected by mathematical formula

Data is encrypted with public and needs corresponding private key to decrypt it

Question 3

Digital signature

Answer 3

Part of message that is encrypted should be decrypted first as it says who it sent form to confirm who the sender is who they say are used to stop people sending fake messages

Question 4

Digital certificate what is it

Answer 4

Thus is a an encrypted message provided by certification authority that confirms the user is who they claim to be in online communication . It is better than digital signature as it is proven . A ssl certificate is purchased from certification authority and confirms if they say who are they To be true or not

Question 5

HTTPS

Answer 5

Hypertext transfer protocol secure

Question 6

SSL secures sockets layer

Answer 6

Protocol to open secure link channel between 2 devices
Both public key and private key used together with digital certificates used to stop hackers entering or malien sure they are nit know who they say they are

Question 7

SSL how it happens

Answer 7

Client requests ssl connection
Server answers and provides certificate containing public key
Client validâtes the certificate and public key
Computer generated session key and submits to server serve is decrypted with session key and ssl is established

Question 8

Client side

Answer 8

Processing done when web page gets to client processes some of data through validation and making error messages

Question 9

Server side

Answer 9

Server processes all the data for example subtracting money from bank accounts