[Cryptography] Generate Random Data From Sound Card

[Byrl Raze Buckbriar]

On Thu, 5 Mar 2026 15:25:55 -0800
Jon Callas <jon at callas.org> wrote:

> If you're asserting that lavarand isn't random enough for cryptographic purposes, I'm cool with that -- I'm only arguing that the dark frame is as good as lavarand. I also think that hashing a picture of just about anything is good enough, because the requirements for cryptography are so low (512-1024 bits of unguessable stuff in the many megapixels). Nonetheless, this is a delightful argument (that none of it is good enough) and I want to explore.

A camera fastened to a colored, mirroring kaleidoscope would be wonderful for gathering random. That would be good enough for me.

Are you sure you want to engender combat with the crusaders of TrueRandom™ fanatical purity fury philosophy? That might be more hazardous than challenging the Knights of NIH Syndrome.

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