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GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.

  • Legacy
  • TracTrac
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  • #5096

Closed
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Opened Feb 12, 2012 by Robert Ransom@rransom

Support transferring bridge addresses in QR codes

At some point (maybe in days, maybe in weeks), we will start distributing bridge addresses which contain multiple 80-bit-or-longer base32-encoded ‘cryptovariables’ (I don't know any other appropriate general term for them). Orbot users will want to not retype them into their puny phone keyboards.

See the ‘libzbar’ package for a QR-code decoder under the LGPL. See ‘libqrencode’ for a QR-code encoder under the LGPL. Neither of these can currently handle binary strings containing NULs (you don't want to be parsing/repacking bridge lines anyway, but you need to know about that bug before you use the QR-code hammer to pound e.g. OTR/GPG fingerprints, BitTorrent info hashes, or Curve25519/Ed25519 public keys).

Also, if you interact with a QR-code decoder through e.g. XML, don't get bobbytabled. (P.S. ‘zbarimg --xml’ sucks.)

To upload designs, you'll need to enable LFS and have admin enable hashed storage. More information
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Reference: legacy/trac#5096