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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…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
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…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
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…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
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…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
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…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
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…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
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…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
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