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In what format do you store the "whole key" there, so that you can type it in easily and quickly if required? You might argue that a situation where you have t
by MauranKilom 5y ago
In what format do you store the "whole key" there, so that you can type it in easily and quickly if required?
You might argue that a situation where you have to open the safe with the printed-out key material cannot be particularly urgent, but apparently the author found it useful for this kind of situation.
- 0xbadcafebee 5y agoIn the format of regular armored ASCII text that all .pem keys have. It doesn't take a whole lot of time to download an OCR program. I think Google Docs has had OCR for a decade. You go to your safe, take a picture of the printout, open it in google docs, and OCR the text. Takes, what, 60 seconds? 2 minutes max? Or like somebody else said, a QR code.
- deleted 5y ago[deleted]
- jtsiskin 5y agoA 12 word mnemonic phrase is worlds easier to use than that. You will download an OCR program, send the photo from your phone to the computer, and run OCR on it? Or you will upload your cold key onto google drive?
- 0xbadcafebee 5y agoEasier to use, but less reliable. If you don't get the words right (years after you first created them) your key is gone. It's also less secure to depend on a set of words that a human can remember (and thus leak via rubber-hose crypto). There's versioning and other issues mentioned in the critique of the paper, leading to them recommending nobody use it. And no, you wouldn't send the photo from your phone to the computer, you'd do it all on a phone, off-line, and could then copy the key to a YubiKey from your phone.