Encryption + Others

What is encryption?

The process of changing data so it can not be read by a third party

What is encrypted data known as?

Ciphertext

What are the two types of encryption

symmetrical encryption and asymmetrical encryption

What is symmetrical encryption?

symmetrical encryption is when data is encoded using the same key

what is a key?

a key is a long sequence of bits used by encryption and decryption algorithms

What are the three problems with encryptions?

The secret key must be shared between both parties, unless a secure method exists (physically meeting with each other) the system is inherently insecure

What is asymmetric encryption?

Is when data is stored using different keys

Public key can be made avalible to anyone but the owner of the public key..?

Can decrypt it using the same key

What is a digital signature?

A digital signature is an electronic signature that can be used to authenticate the identity of person or organisation to ensure the original content has not be tampered with

What is a digital certificate?

A digital certificate is online document that contains a signature which confirms the name and identity of a person or organisation

a digital certificate is exceptionally hard to..?

forge and can be trusted as it will have been issued by a trusted agency