cyphar/paperback
View on GitHub ↗ ★ 1,493 Rust
Paper backup generator suitable for long-term storage.
18 mentions on Hacker News by 11 people: 2 stories, 16 comments · first 2018-11-21 · latest 2026-05-27
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Combining key generation and printing seems like unnecessary tangling of two responsibilities. https://github.com/cyphar/paperback can print any data with better error recovery than this.
comment by yencabulator · 2026-05-27 · in Coldkey – Post-quantum age key generation and paper backup tool -
…of prior art for digital storage in 2D, naïve 3D version is to just use these as a heightmap: - https://github.com/cyphar/paperback - https://github.com/za3k/qr-backup/ - https://github.com/colindean/optar - https://github.com/Sjlver/psst…
comment by Intralexical · 2026-02-18 · in Ask HN: Are there examples of 3D printing data onto physical surfaces? -
…missing an automated mechanism to scan the PDFs and a GUI. Maybe you'll find it interesting. [1]: https://github.com/cyphar/paperback
comment by cyphar · 2026-02-07 · in Show HN: If you lose your memory, how to regain access to your computer? -
…encrypted backups of my server.) [1]: https://en.wikipedia.org/wiki/Shamir%27s_secret_sharing [2]: https://github.com/cyphar/paperback/
comment by cyphar · 2026-02-07 · in Show HN: If you lose your memory, how to regain access to your computer? -
I've seen https://github.com/cyphar/paperback before which basically does this, I believe. I haven't used it in the context of letting other people recover things though.
comment by mook · 2025-06-13 · in Show HN: Qrkey – Offline private key backup on paper -
also a similar project in rust https://github.com/cyphar/paperback
comment by ahazred8ta · 2025-06-03 · in Paperbak, Paper Backups -
You might also enjoy paperback: https://github.com/cyphar/paperback https://www.youtube.com/watch?v=GI9rKdM9rB8&list=PLD8dAKx4J2...
comment by yencabulator · 2025-06-01 · in Show HN: PunchCard Key Backup -
Same name, same idea, better-looking implementation: https://github.com/cyphar/paperback
comment by yencabulator · 2024-04-02 · in PaperBack: How to store arbitrary data on A4 sheets of paper (2007) -
…block. The paper backup implementations that use QR codes https://github.com/intra2net/paperbackup https://github.com/cyphar/paperback are only meant to be used for private key backup.
comment by compressedgas · 2024-03-08 · in Ask HN: QR Codes Unsuitable for Storing Gigabytes and Beyond in Graphic Format? -
https://github.com/cyphar/paperback ?
comment by LargoLasskhyfv · 2024-03-08 · in Ask HN: QR Codes Unsuitable for Storing Gigabytes and Beyond in Graphic Format? -
…sure if that's how Horcrux works, but that's how my fairly-similar tool Paperback[1] works). [1]: https://github.com/cyphar/paperback
comment by cyphar · 2023-09-17 · in Horcrux: Split your file into encrypted fragments -
…Sharing to let you distribute a bunch of paper copies to your friends to restore a file optically: https://github.com/cyphar/paperback
comment by mmastrac · 2023-09-16 · in Horcrux: Split your file into encrypted fragments -
…work but I still need to finalise the QR data format and work on user-friendly interfaces). [1]: https://github.com/cyphar/paperback [2]: https://youtu.be/GI9rKdM9rB8
comment by cyphar · 2022-04-18 · in Assume your devices are compromised -
…reason the x86 binaries aren't statically linked even though I'm using the musl toolchain). [1]: https://github.com/cyphar/paperback/actions
comment by cyphar · 2021-12-27 · in Paperback: An encrypted paper-based backup scheme -
…be necessary would be encode that document as a PDF you can print and store with the backups. [1]: https://github.com/cyphar/paperback/blob/main/DESIGN.md
comment by cyphar · 2021-12-27 · in Paperback: An encrypted paper-based backup scheme -
related: https://github.com/cyphar/paperback
comment by ZenPsycho · 2018-11-21 · in JAB Code – A high-capacity 2D color bar code