AndromedaPkg: SecureBoot: Add support for dynamic changes/updates of SiPolicy #543
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Test has been carried out to check whether any accidents occurred when the SiPolicy did not need to be updated. However, there are still other tests that need to be conducted. |
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It has been tested that when the SiPolicy is different, the original SiPolicy will be deleted and a new one will be written subsequently, and it will not be written again after the second startup. |
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…SiPolicy. * As mentioned in "issues/483", when the SiPolicy in UEFI/Repo is updated, the SiPolicy in the ESP on the user's device cannot be updated correctly. This may lead to some problems with driver signature verification. Therefore, we are now attempting to use the SHA256 Hash to determine whether we need to update the SiPolicy, and this way, it will not operate on the FAT partition multiple times, which could affect the boot process. Co-authored-by: KancyJoe <kancy2333@outlook.com> Signed-off-by: XiaoYeZi <qaz6750@outlook.com>
Signed-off-by: XiaoYeZi <qaz6750@outlook.com>
…te in the new one * Try to avoid the problems of the FAT file system caused by direct rewriting. Signed-off-by: XiaoYeZi <qaz6750@outlook.com>
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Some more tests may still be needed to determine whether there will be additional impacts. After everything is completed, I hope to finally contribute back to the upstream. |
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