[Cryptography] USB hardware token for $2??

Mark Seiden mis at seiden.com
Thu Dec 22 20:21:08 EST 2016



On 12/22/16 4:41 PM, Carl Wallace wrote:
> 
> 
> On 12/22/16, 6:38 PM, "cryptography on behalf of Kent Borg"
> <cryptography-bounces+carl=redhoundsoftware.com at metzdowd.com on behalf of
> kentborg at borg.org> wrote:
> 
>> On 12/22/2016 03:58 PM, Ron Garret wrote:
>>> https://sc4.us/hsm/

this may still be relevant and of interest although it isn't a portable
device:

http://www.metzdowd.com/pipermail/cryptography/2013-December/018899.html

i don't know the current status.  rick was looking for someone to make a
few hundred of them, last i spoke with him about it.


>> Suggestions?
> 
> Generate a key pair on your device,
> display public key as a QR code,
> take a picture of that with another device to share the key elsewhere,
> encrypt data for the device using the key and encode as QR or series of
> QRs to transfer data to the device,
> enter data via camera on your non-phone android,
> keep QR with your encrypted passphrase on you for convenient entry,
> if you want it to know who you are, sign or MAC you QRs and verify with a
> key you loaded similarly.
> 
> 
>>
>> -kb
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