QCE Digital Solutions Unit 4: Hashing, checksums and authentication
Students learn how hashing, checksums and authentication check data integrity and verify identity, and how to choose a cryptographic technique for a scenario.
One content description from the full QCE Digital Solutions Unit 4 — Digital Methods for Exchanging Data journey. All 15 modules below are in that journey too, with the same content — add just these to a class, or the whole strand.
Modules (15)
1
One-way functions
2
Hashing functions
3
Using hashes to check data integrity
4
Why passwords are stored as hashes
5
Salting a password hash
6
Checksum
7
Calculating a checksum
8
Checking a checksum at the receiver
9
What a checksum can and cannot detect
10
What data integrity means in transmission
11
Authentication vs authorisation
12
Authentication factors
13
Multi-factor authentication
14
SSL certificates and the handshake
15
Choosing a cryptographic technique for a scenario
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