A-level Computing/CIE/Advanced Theory/Security

Specification link Asymmetric keys and encryption methods show understanding of the terms: public key, private key, plain text, cipher text, encryption and asymmetric key cryptography show understanding of how the keys can be used to send a private message from the public to an individual/organisation\ show understanding of how the keys can be used to send a verified message to the public Digital signatures and digital certificates show understanding of how a digital certificate is acquired show understanding of how a digital certificate is used to produce digital signatures Encryption protocols show awareness of the purpose of Secure Socket Layer (SSL)/Transport Layer Security (TLS) show awareness of the use of SSL/TLS in client-server communication show awareness of situations where the use of SSL/TLS would be appropriate Malware show understanding of malware: viruses, worms, spam, phishing, pharming describe vulnerabilities that the various types of malware can exploit describe methods that can be used to restrict the effect of malware