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ASecuritySite
When Bob Met Alice
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Can I Recover A Message From My Signature?
Can I Recover A Message From My Signature?
Wouldn’t it be amazing if I could sign my name on a message, and where my signature contains the details of the message? Someone could then…
Prof Bill Buchanan OBE
Dec 1
The Roots of ECDSA … Meet DSA
The Roots of ECDSA … Meet DSA
The Digital Signature Algorithm (DSA) is a standard defined in the Federal Information Processing Standard (FIPS 186) for digital…
Prof Bill Buchanan OBE
Nov 29
Do You Remember Carbon Copies? Here’s Blind Signatures.
Do You Remember Carbon Copies? Here’s Blind Signatures.
Do you remember the days of carbon copies? Well, they were often used as a receipt, and where there was blue carbon paper which copied your…
Prof Bill Buchanan OBE
Nov 28
In A World That Respects Privacy and Trust … Meet Blinded Signatures
In A World That Respects Privacy and Trust … Meet Blinded Signatures
The work of David Chaum on privacy showed the world that it could build a world of trust but preserve privacy. On the back of the work…
Prof Bill Buchanan OBE
Nov 27
260KB Public Key Sizes?
260KB Public Key Sizes?
Did you know that if Classic Mceliece is adopted for TLS handshaking, the public key will be 261,120 bytes in size, and will thus require…
Prof Bill Buchanan OBE
Nov 27
A Depressing World of AI Taking to AI?
A Depressing World of AI Taking to AI?
I received a request for a PhD over the weekend, and you could tell a mile off that it was written by Chat-GPT (I have missed out on some…
Prof Bill Buchanan OBE
Nov 27
Protecting Your Most Precious of Secrets … Meet PBE
Protecting Your Most Precious of Secrets … Meet PBE
And, so you have an RSA key pair which you use to sign your software or to protect your symmetric keys. For an intruder, this is one of…
Prof Bill Buchanan OBE
Nov 27
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