ASecuritySite Podcast

Latest Episodes:

Bill Buchanan - The Beauty and Power of Elliptic Curve Cryptography (ECC) Jul 13, 2023

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I have a secret. And you have a secret. And together, we can merge our secret into another secret. What I am outlining here is the beauty of the Elliptic Curve Diffie Hellman (ECDH) method, and it is protecting your rights to privacy in the access that you have to this podcast. And what about trust? Well, there's a chance that the Web site that you are receiving this podcast from is using the ECDSA (Elliptic Curve Digital Signature Algorithm) to verify that you can trust the site.

And, so, in this podcast, I'm going to outline something that is pure mathematical beauty: the Elliptic Curve.

There are more information on ECC [here] and the text to this Podcast is [here].

Harry McLaren: Modern Security Operations Jul 13, 2023

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Bill Buchanan - Building Trust: Part 1 (Introduction) Jul 13, 2023

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This is a basic introduction to the Building Trust podcast.

Bill Buchanan - The Patents That Built the Security of the Internet Jul 13, 2023

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In this episode Professor William Buchanan OBE takes us back through the patents that gave rise to the security for the internet as we know it.

Bill Buchanan - The Cryptography of Bitcoin: The Hashing Methods for the Keys Jul 13, 2023

Show notes

In this podcast, we will outline some of the design choices that Satoshi Nakamoto made for the hashing of the private key to the public ID, especially on the selection of the two hashing methods of SHA-256 and RIPEMD160.

World Leaders in Cryptography: Torben P Pedersen Jul 12, 2023

Show notes

So how do we create a world where we can store our secrets in a trusted and then reveal them when required? Let's say I predict the outcome of an election, but I don't want to reveal my prediction until after the election. Well, I could store a commitment to my prediction, and then at some time in the future, I could reveal it to you, and you can check against the commitment I have made. Anyone who views my commitment should not be able to see what my prediction is.

This is known as Pedersen Commitment, and where we produce our commitment and then show the message that matches the commitment. In its core form, we can implement a Pedersen Commitment in discrete logs [here]. But blockchain, IoT, Tor, and many other application areas, now use elliptic curve methods, so let's see if we can make a commitment with them.

A Talk With A Scammer - Don't Get Tricked Jul 11, 2023

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Note: TeamViewer is not a malicious piece of software when normally used. The scammer wanted to install a remote desktop on my machine with it.

World-leaders in Cryptography: Jean-Philippe (JP) Aumasson Jul 11, 2023

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World-leaders in Cryptography: Neal Koblitz Jul 11, 2023

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Neal I. Koblitz is a Professor of Mathematics at the University of Washington. He is a co-inventor of Elliptic Curve Cryptography (ECC). His original paper was published in 1987 and entitled "Elliptic curve cryptosystems" [1]. Overall, ECC is one of the greatest breakthroughs in cryptography and which has largely replaced discrete logarithm methods in key exchange and has replaced the RSA method in many applications for digital signing. Overall, elliptic curve methods are now used extensively with digital signing (ECDSA/EdDSA) and for key exchange (ECDH), along with applications into Bitcoin and Ethereum. Neal was recently recognized for his work with the Levchin Prize at the real-world cryptography conference. His recent work has included applications for lattice cryptography and random oracles. Neal is also the author of several leading textbooks:

[1] Koblitz, N. (1994). A course in number theory and cryptography (Vol. 114). Springer Science & Business Media.

World Leaders in Cryptography: Keith Martin Jul 11, 2023

Show notes

In this episode Professor William Buchanan OBE talks with Professor Keith Martin, from the Royal Holloway, about the intersection of information security and academia, privacy and digital footprints.

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