A-level Computing/CIE/Advanced Theory/Security

Asymmetric keys and encryption methods Digital signatures and digital certificates Encryption protocols Malware
 * 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
 * show understanding of how a digital certificate is acquired
 * show understanding of how a digital certificate is used to produce digital signatures
 * 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
 * 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