Comment on SHA-256 Certificates Are ComingparentComments−gwillen12yAs an owner of a Bitcoin ASIC, I don't _think_ they're usable for general SHA-256. I think they're all specialized for SHA-256(SHA-256(X)), where X must be a packet in a bitcoin-specific format.−cantfindmypass12yCorrect, they cannot compute SHA256() or SHA256(SHA256()) of arbitrary data.−pushedx12yWell, I stand corrected. Especially in light of the analyses provided in sibling comments.
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As an owner of a Bitcoin ASIC, I don't _think_ they're usable for general SHA-256. I think they're all specialized for SHA-256(SHA-256(X)), where X must be a packet in a bitcoin-specific format.
Correct, they cannot compute SHA256() or SHA256(SHA256()) of arbitrary data.
Well, I stand corrected. Especially in light of the analyses provided in sibling comments.