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When Bob Met Alice
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So Much For Cloud Resilience! A CrowdStrike Bug Hits Windows
So Much For Cloud Resilience! A CrowdStrike Bug Hits Windows
On Friday 19 July 2024, Microsoft reported that it suffered a major outage for many Azure services. This affected airlines, banks and…
Prof Bill Buchanan OBE FRSE
Jul 18
A Zero Knowledge Proof That A Point Is On The secp256k1 Curve
A Zero Knowledge Proof That A Point Is On The secp256k1 Curve
Implementing a ZKP SNARK for an (x,y) point
Prof Bill Buchanan OBE FRSE
Jul 18
Zero Knowledge Proofs Within A secp256k1 Finite Field
Zero Knowledge Proofs Within A secp256k1 Finite Field
The day I got cryptography was the day that I understood finite fields, and where we use a prime number (p) with a (mod p) operation. The…
Prof Bill Buchanan OBE FRSE
Jul 18
50 Years Ago, One of the Greatest Inventions Ever?
50 Years Ago, One of the Greatest Inventions Ever?
What was the most significant thing that happened in 1974? Richard Nixon resigning? West Germany winning the World Cup? The IRA bombings in…
Prof Bill Buchanan OBE FRSE
Jul 16
So In Cryptography, What’s A Modulus and What’s An Order?
So In Cryptography, What’s A Modulus and What’s An Order?
I presented a lecture on post quantum cryptography a few weeks ago, and outlined the core principles of cryptography. After it, someone…
Prof Bill Buchanan OBE FRSE
Jul 16
The Smallest and Fastest PQC Digital Signature?
The Smallest and Fastest PQC Digital Signature?
And, so, NIST want an alternative to Dilithium, Falcon and SPHINCS+ for quantum robust digital signatures, and are now assessing a range of…
Prof Bill Buchanan OBE FRSE
Jul 14
Provable Security With Oil and Vinegar
Provable Security With Oil and Vinegar
Overall, quantum computers will be able to break our existing public key methods, such as discrete logs, RSA and elliptic curves.
Prof Bill Buchanan OBE FRSE
Jul 11
About ASecuritySite: When Bob Met Alice
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