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Re:Show HN: The SC4-HSM, a fully open USB hardware secure mo... by mmlopes on Friday July 08, 2016 @03:24AM (#12054038)
I've been looking for something like this in a while. It would be feasible to make something like this but with a Bluetooth interface instead (I'm concerned about MITM attacks)? I've been wondering about the possibility of writing a mobile app that uses a Bluetooth HSM to sign documents.

Great work and nice project by the way

Re:Show HN: The SC4-HSM, a fully open USB hardware secure mo... by slinger on Friday July 08, 2016 @11:01AM (#12055995)
Looking for a Bluetooth solution as well
Re:Show HN: The SC4-HSM, a fully open USB hardware secure mo... by lisper on Friday July 08, 2016 @09:54PM (#12059717)
Why? That seems fraught with all manner of peril.
Re:Show HN: The SC4-HSM, a fully open USB hardware secure mo... by lisper on Friday July 08, 2016 @03:35AM (#12054074)
Thanks!