Computer Science past papers › Topics

Encryption, Encryption Protocols and Digital Certificates past paper questions

Computer Science 9618 · Security. Symmetric/asymmetric encryption, public/private keys, quantum cryptography; SSL/TLS; certificates and signatures.

In Cambridge A Level Computer Science 9618, Encryption, Encryption Protocols and Digital Certificates came up in 2 of the 104 papers on Paperstreak, for about 4 marks a paper when it does. It last came up in May/June 2025.

Often set with Data Security.

2 questions, newest first

1. 9618/11/M/J/25 Question 7 part (b) · 5 marks
2. 9618/12/O/N/22 Question 6 part (a(i)) · 2 marks

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.