Joshua Holden

Professor of Mathematics, Rose-Hulman Institute of Technology

Joshua Holden is professor of mathematics at the Rose-Hulman Institute of Technology in Indiana. He studies number theory and cryptography. He is the author of The Mathematics of Secrets: Cryptography from Caesar Ciphers to Digital Encryption (2017).

Written by Joshua Holden

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Quantum cryptography is unbreakable. So is human ingenuity

Joshua Holden

Thanks for the interesting conversation! One thing that I didn’t talk about in my essay is the overlap of cryptographic policy with other areas of privacy and security. Clearly a lot of people are concerned with the more general issues here. Often it boils down to a very similar question — should we restrict information so that “bad guys” don’t get it, or should we disseminate information widely in the hopes that the “good guys” can make effective use of it. I agree with Daniel that there are always tradeoffs and that citizens need to keep informed and education. My personal bias (and it seems like many of you agree) says that we should err on the side of dissemination in order to make th...

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