Please answer Q.B2 Cryptography in relate to Cyber security

Section B Answer any two questions from this section. There are four to choose from. Q.B2 Cryptography Evaluate the significance of each of the following cryptographic technologies in terms of establishing secure communication over the internet: a) Symmetric cryptography, such as AES 256 encryption. (10 marks) b) Asymmetric cryptography, such as the RSA system. (10 marks) c) Digital signatures making use of a cryptographically secure hash code such as SHA-256. (10 marks) You should consider issues such as efficient encryption of bulk data, the key distribution problem, authentication, proof of authorship and the mechanics of various encryption technologies in your answers as appropriate. (30 marks in total)