aneesh-neelam / uefi-secureboot-signtool Goto Github PK
View Code? Open in Web Editor NEWScript to sign external Linux kernel modules for UEFI Secure Boot.
License: GNU General Public License v2.0
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uefi-secureboot-signtool's Issues
Sign modules that are compressed
Some modules are configured to be compressed and stored in formats such as *.ko.xz (XZ compression)
Must update script to uncompress, sign and recompress modules compressed using gzip or xz.
Running Tool Errors
> sb-signtool-sign
Usage: scripts/sign-file [-dp] <hash algo> <key> <x509> <module> [<dest>]
Usage: scripts/sign-file [-dp] <hash algo> <key> <x509> <module> [<dest>]
At main.c:245:
- SSL error:02001002:system library:fopen:No such file or directory: bss_file.c:175
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: bss_file.c:178
sign-file: /lib/modules/4.4.0-128-generic/#/updates/dkms/snapapi26.ko.~signed~: No such file or directory
At main.c:245:
- SSL error:02001002:system library:fopen:No such file or directory: bss_file.c:175
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: bss_file.c:178
sign-file: /lib/modules/4.4.0-128-generic/#/updates/dkms/snumbd26.ko.~signed~: No such file or directory
At main.c:268:
- SSL error:0200B015:system library:fread:Is a directory: bss_file.c:251
- SSL error:20082002:BIO routines:FILE_READ:system lib: bss_file.c:252
At main.c:303:
- SSL error:0200B015:system library:fread:Is a directory: bss_file.c:251
- SSL error:20082002:BIO routines:FILE_READ:system lib: bss_file.c:252
sign-file: /lib/modules/4.4.0-128-generic/: Is a directory
Alternative to this
Must find a way to integrate with DKMS for this to work perfectly. What if DKMS signs the module when it builds it? We could provide a script that DKMS could call automatically when a kernel module is built.
The current script and service can still be used for certain things that may not use DKMS like Oracle VirtualBox sourced directly from Oracle. Someone correct me if I'm wrong.
Certificates Path
the instructions to run the cert import need to be updated to
/etc/sb-signtool/keyfiles/sb_pub.der
or the path to which the certs are created needs to be changed in the preceding command.
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