Prof Bill Buchanan OBE FRSE – Medium

Prof Bill Buchanan OBE FRSE

Pinned

Published in
ASecuritySite: When Bob Met Alice

If You Can’t Beat AI, Then Adopt It

Integrating OpenAI into Applications

Mar 4, 2024

If You Can’t Beat AI, Then Adopt It

Mar 4, 2024

Pinned

Published in
ASecuritySite: When Bob Met Alice

Assange, Snowden and the Trap Door

Julian Assange being arrested last week brought back the memories of how he leaked Edward Snowden’s memos around the possible existence of…

Apr 22, 2019

Assange, Snowden and the Trap Door

Apr 22, 2019

Get an email whenever Prof Bill Buchanan OBE FRSE publishes.

By signing up, you will create a Medium account if you don’t already have one. Review our Privacy Policy for more information about our privacy practices.

Medium sent you an email at to complete your subscription.

Published in
ASecuritySite: When Bob Met Alice

Galaxy S25 Goes Quantum Robust

Yesterday, I gave two short presentations on PQC (Post Quantum Cryptography), and next week, I’m in London to give a more focused talk on…

2d ago

Galaxy S25 Goes Quantum Robust

2d ago

One of the Largest Hacks Ever? But Will The Hackers Be Able To Launder The Gains?

Bybit has been hit by one of the largest hacks ever in human history, and it is thought that hackers managed to steal over $1.4 billion…

5d ago

One of the Largest Hacks Ever? But Will The Hackers Be Able To Launder The Gains?

5d ago

Apple Steps Back Their Security

The fallback for law enforcement agencies has always been the place where files are stored, and all the best encryption within end-to-end…

Feb 22

Apple Steps Back Their Security

Feb 22

The Proper Password Hasher and Memory Buster: Argon2

You know those tables that tell you how long your password will be cracked in? Well, they are all a bit silly as they do not take into…

Feb 18

The Proper Password Hasher and Memory Buster: Argon2

Feb 18

(CryptoRoll-ups and Hash

Oops. That title looks a bit like clickbait for one of those dodgy social media posts. The roll-up I mean here are JavaScript code…

Feb 15

(CryptoRoll-ups and Hash

Feb 15

Being Proud and Questioning

You can be proud of your country, your city, and your community and support it in doing great things and in a shared belief. You can wave a…

Feb 12

Feb 12

The Rise of the Machine and Believe in Privacy

And, so, 5% of Meta’s workforce is being made redundant, and the company is targeting low perceived performance — in a similar approach to…

Feb 12

The Rise of the Machine and Believe in Privacy

Feb 12

Elliptic Curve Cryptography (ECC) Questions

For cybersecurity professionals, here’s a quick quiz on ECC (Elliptic Curve Cryptography):

Feb 9

Elliptic Curve Cryptography (ECC) Questions

Feb 9

Published in
ASecuritySite: When Bob Met Alice

Creating Your Own Symmetric Key Cipher in a Web Page

JavaScript is both wonderful and a nightmare. So, let’s use it to create a simple symmetric key cipher using AES GCM. First, open up a…

Feb 3

Creating Your Own Symmetric Key Cipher in a Web Page

Feb 3

Random Values — In the Browser

At the core of cryptography is the generation of random numbers. These can be true random numbers — such as those generated by the noise…

Feb 2

Random Values — In the Browser

Feb 2

Published in
ASecuritySite: When Bob Met Alice

In Cybersecurity, What is GREASE?

I do a good deal of analysis of the TLS stack, as it is fundamental for the trust and security of virtually every connection that we make…

Jan 30

In Cybersecurity, What is GREASE?

Jan 30

Published in
ASecuritySite: When Bob Met Alice

So What Does an RSA Signing Key Look Like?

The Web Cryptography integration gives us a range of cryptographic methods we can use, including for RSA-PSS signing. With this, we can…

Jan 27

So What Does an RSA Signing Key Look Like?

Jan 27

When Random Is Not Quite Random: Beating Ransomware

Isn’t it a nice feeling when the bad guys get it wrong? Well, in a new research paper, the authors have discovered that it is possible to…

Jan 27

When Random Is Not Quite Random: Beating Ransomware

Jan 27

Published in
ASecuritySite: When Bob Met Alice

Wrapping Encryption

Don’t you love (and hate) JavaScript? For one, it has little to do with Java, and, for two, it can be a nightmare to test. For testing, we…

Jan 27

Wrapping Encryption

Jan 27

Published in
ASecuritySite: When Bob Met Alice

Diffie-Hellman Key Exchange in a Quantum World

In 1976, the foundations of our modern cybersecurity infrastructure were created with the publication of the Diffie-Hellman key exchange…

Jan 24

Diffie-Hellman Key Exchange in a Quantum World

Jan 24

Published in
ASecuritySite: When Bob Met Alice

The Foundation of Cybersecurity: D3FEND™ 1.0

The New “Bible of Cybersecurity”

Jan 20

The Foundation of Cybersecurity: D3FEND™ 1.0

Jan 20

PBKDF2 and Encrypting Data

What keeps your wireless access point password secure? PBKDF2 (Password-based Key Derivation Function).

Jan 17

PBKDF2 and Encrypting Data

Jan 17

Published in
ASecuritySite: When Bob Met Alice

Explaining RSA PKCS#1.5, RSA OAEP or RSA PSS

Let me start. RSA can be used to encrypt or sign.

Jan 12

Explaining RSA PKCS#1.5, RSA OAEP or RSA PSS

Jan 12

Prof Bill Buchanan OBE FRSE

Prof Bill Buchanan OBE FRSE

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.

Following

Help
Status
About
Careers
Press
Blog
Privacy
Terms
Text to speech
Teams