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fsverity provides fast and reliable hash of files, namely fsverity_digest. The digest can be used by security solutions to verify file contents. Add new kfunc bpf_get_fsverity_digest() so that we can access fsverity from BPF LSM programs. This kfunc is added to fs/verity/measure.c because some data structure used in the function is private to fsverity (fs/verity/fsverity_private.h). To avoid recursion, bpf_get_fsverity_digest is only allowed in BPF LSM programs. Signed-off-by: Song Liu <song@kernel.org> Acked-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20231129234417.856536-3-song@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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| .. | ||
| enable.c | ||
| fsverity_private.h | ||
| hash_algs.c | ||
| init.c | ||
| Kconfig | ||
| Makefile | ||
| measure.c | ||
| open.c | ||
| read_metadata.c | ||
| signature.c | ||
| verify.c | ||