proxmox-mirrors/efi-boot-shim
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Convert README -> README.md

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One of the really great things about Github IMO is how
"front and center" the README file in a repository is (just
compare with Sourceforge).

Github renders it more nicely if the file is declared to be Markdown,
so let's do that.  Add a bit of formatting: using code fences
for code, hyperlinks for other files etc.

I also added a title block from the Fedora package `Summary`
since while I know in theory shim is independent of bootloaders,
let's say what the 95% case is here.
This commit is contained in:
Colin Walters 2020-06-23 01:57:05 +00:00 committed by Peter Jones
parent f0eb9426aa
commit 2616b13645
1 changed files with 7 additions and 5 deletions
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12
README → README.md
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@ -1,7 +1,9 @@
# shim, a first-stage UEFI bootloader
shim is a trivial EFI application that, when run, attempts to open and
execute another application. It will initially attempt to do this via the
standard EFI LoadImage() and StartImage() calls. If these fail (because secure
boot is enabled and the binary is not signed with an appropriate key, for
standard EFI `LoadImage()` and `StartImage()` calls. If these fail (because Secure
Boot is enabled and the binary is not signed with an appropriate key, for
instance) it will then validate the binary against a built-in certificate. If
this succeeds and if the binary or signing key are not blacklisted then shim
will relocate and execute the binary.
@ -14,10 +16,10 @@ to it should not be wrapped.
On systems with a TPM chip enabled and supported by the system firmware,
shim will extend various PCRs with the digests of the targets it is
loading. A full list is in the file README.tpm .
loading. A full list is in the file [README.tpm](README.tpm) .
To use shim, simply place a DER-encoded public certificate in a file such as
pub.cer and build with "make VENDOR_CERT_FILE=pub.cer".
pub.cer and build with `make VENDOR_CERT_FILE=pub.cer`.
There are a couple of build options, and a couple of ways to customize the
build, described in BUILDING.
build, described in [BUILDING](BUILDING).