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ASecuritySite
When Bob Met Alice
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Little Endians and Big Endians: Intel v IBM, and IP v The Rest
Little Endians and Big Endians: Intel v IBM, and IP v The Rest
I remember the days of the IBM Power PC and of the original Apple PC. The Apple PCs used IBM processors and which stored their data in a…
Prof Bill Buchanan OBE FRSE
Sep 22
Logically The Same But Different: Canonical XML and Exclusive XML Canonicalization
Logically The Same But Different: Canonical XML and Exclusive XML Canonicalization
One of the problems with a hash signature is that if we change just one bit of the data, we will completely change the hash value. But…
Prof Bill Buchanan OBE FRSE
Sep 22
The MITRE EMD3D Model: Hardware Threats
The MITRE EMD3D Model: Hardware Threats
We must admit — as a society — we are not very good at integrated security. Mainly, we look after a small part of an infrastructure but do…
Prof Bill Buchanan OBE FRSE
Sep 20
More Maths, Please
More Maths, Please
To me, the countries that will be successful in the future are the ones who will best produce scientists, engineers and mathematicians…
Prof Bill Buchanan OBE FRSE
Sep 14
Proving Alice is Alice With A Pseudo Random Function (PRF)
Proving Alice is Alice With A Pseudo Random Function (PRF)
Let’s say that Bob wants Alice to prove she knows a secret value. For this, we could use a PRNG (Pseudo-random number generator), and which…
Prof Bill Buchanan OBE FRSE
Sep 12
Finally, A Security Framework for Devices: EMB3D
Finally, A Security Framework for Devices: EMB3D
It seems like a dream, but what if we could design systems which were “secure by design”, and not have to fix problems later on. And, the…
Prof Bill Buchanan OBE FRSE
Sep 11
A True Random Number Generator: Jitter Fluctions
A True Random Number Generator: Jitter Fluctions
The core of your security is typically explicitly linked to one thing … pseudo-random number generation. While we can integrate with a…
Prof Bill Buchanan OBE FRSE
Sep 9
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