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Are There More Electrons in the Universe Than 512-bit Prime Numbers?

Are There More Electrons in the Universe Than 512-bit Prime Numbers?

The answer is No!
Go to the profile of Prof Bill Buchanan OBE FRSE
Prof Bill Buchanan OBE FRSE
When the Cipher Equals The Message: Message Concealing in RSA

When the Cipher Equals The Message: Message Concealing in RSA

Imagine you created a cipher, and sometimes when you ciphered, the cipher is actually the original message. This could happen, for example…
Go to the profile of Prof Bill Buchanan OBE FRSE
Prof Bill Buchanan OBE FRSE
Provable Secure Public Key Encryption with the Rabin Method

Provable Secure Public Key Encryption with the Rabin Method

Well, the RSA public key encryption method is nearly 50 years old, and it still does not have a formal proof of its security. It has done…
Go to the profile of Prof Bill Buchanan OBE FRSE
Prof Bill Buchanan OBE FRSE
HP Release a Quantum-robust Printer

HP Release a Quantum-robust Printer

So, get ready for devices supporting a label of, “Quantum-robust” as a marketing tool. Recently, Samsung released its new S25 smartphone…
Go to the profile of Prof Bill Buchanan OBE FRSE
Prof Bill Buchanan OBE FRSE
Mobile Phone Networks, RFID and TETRA: The Weakest Links?

Mobile Phone Networks, RFID and TETRA: The Weakest Links?

KUSAMI: Cracked 21 days with 2400 RTX 4090 GPUs with Time-Memory-Trade-Off tables, and 38 hours on 2400 RTX GPUs for a brute force attack.
Go to the profile of Prof Bill Buchanan OBE FRSE
Prof Bill Buchanan OBE FRSE
Watch Out For TgToxic

Watch Out For TgToxic

Trend Micro are reporting a particularly bad Android malware going around Southeast Asia for the past few years, and which has been…
Go to the profile of Prof Bill Buchanan OBE FRSE
Prof Bill Buchanan OBE FRSE
Galaxy S25 Goes Quantum Robust

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