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ASecuritySite

When Bob Met Alice

RSA — Boxer Of Our Online World

RSA — Boxer Of Our Online World

The Carthouse of Cybersecurity
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Jun 8
Reactable Signatures using A Naive Approach and The Johnson-Merkle Method

Reactable Signatures using A Naive Approach and The Johnson-Merkle Method

A story of (Boris) Johnson and (Robert) Johnson
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Jun 7
Inspiring The Next Generation into Maths, Coding and Cybersecurity (and many other things)

Inspiring The Next Generation into Maths, Coding and Cybersecurity (and many other things)

How many times can you say it? Go get your kids into maths … get your kids into coding. Well, there’s one person who has actually done…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Jun 6
For Security, Go Hybrid: Hybrid Public Key Encryption (HPKE) and RFC 9180

For Security, Go Hybrid: Hybrid Public Key Encryption (HPKE) and RFC 9180

We love public key encryption. It allows us to securely exchange secrets and digitally sign data. But, it’s not that efficient when it…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Jun 5
The MOVEit Zero Day and The Payroll Hack

The MOVEit Zero Day and The Payroll Hack

The MOVEit Transfer managed file transfer (MFT) software [here] has been developed by Ipswitch (and which is a subsidiary of Progress…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Jun 5
The UK Digital Pound

The UK Digital Pound

Finally A Move Into the 21st Century World of Payments Or Just Too Many Risks?
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Jun 4
HMAC and HKDF

HMAC and HKDF

What’s the right way to generate an encryption key from a secret? Well, with TLS 1.3, the right way is to use HKDF. So, let’s look at HMAC…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Jun 4
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