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Where Would You Find Both ECC and RSA Working Well Together?

Where Would You Find Both ECC and RSA Working Well Together?

Don’t you sometimes worry that we use the Internet and don’t actually understand how it works? Well, let’s dive into the wonderful world of…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
RSA Is Alive And Kicking in Nearly Every TLS Connection: Creating Fast RSA Signatures

RSA Is Alive And Kicking in Nearly Every TLS Connection: Creating Fast RSA Signatures

While elliptic curve methods have taken over with key exchange and in digital signing with Bitcoin and Ethereum, the RSA signature method…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Beware of RSA Fault Attacks — They May Comprise Your Trust Infrastructure

Beware of RSA Fault Attacks — They May Comprise Your Trust Infrastructure

In a brilliant paper published at USENIX 2022, Sullivan et al [1] show that real-life RSA signatures can be cracked for their private key…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
So What Are dQ, dP, and InvQ Used For In RSA?

So What Are dQ, dP, and InvQ Used For In RSA?

If you look at a private key in RSA, you will see p and q — the core prime numbers, and the modulus N (and which is p times q). But you…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Does ElGamal Encryption Do A Homomorphic Addition?

Does ElGamal Encryption Do A Homomorphic Addition?

Well, yes, but with a small modification …
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Homomorphic Encryption with ElGamal Using Python (Multiplication and Division)

Homomorphic Encryption with ElGamal Using Python (Multiplication and Division)

We live in a 20th Century world of data, and where often do not protect our data. In a future data world, all of our values could be…
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
Our Paper-based World of Secrets

Our Paper-based World of Secrets

And, so, the media were red hot last week with the FBI’s search of Donald Trump’s home:
Go to the profile of Prof Bill Buchanan OBE
Prof Bill Buchanan OBE
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