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The current encoding, is done by converting 13bits of input into 4 decimal digits, that are then encoded efficiently using the numeric encoding of the QR code specification. The Fido v2.2 specification [1] uses a similar approach for its QR-initiated authentication. The only difference is that it converts 7 bytes (56bits) of input into 17 decimal digits. The benefit is that the algorithm doesn't require to split input bytes into 13bits chunk, and the ratio is a bit better. This improvement was proposed by Jó Ágila Bitsch in [2]. drm_panic is still young, and the QR code feature is not widely used, so it's still time to switch to a common algorithm, shared with a widely used standard. I also changed the name of the url parameter, from zl= to z=, so the website can keep backward compatibility if needed. [1] https://fidoalliance.org/specs/fido-v2.2-rd-20230321/fido-client-to-authenticator-protocol-v2.2-rd-20230321.html#hybrid-qr-initiated [2] https://github.com/kdj0c/panic_report/issues/2 Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20250128165254.893204-1-jfalempe@redhat.com |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.