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To support "portable and immutable signatures" on otherwise unsupported filesystems, determine the EVM signature type by the content of a file's xattr. If the file has the appropriate signature type then allow it to be copied up. All other signature types are discarded as before. "Portable and immutable" EVM signatures can be copied up by stacked file- system since the metadata their signature covers does not include file- system-specific data such as a file's inode number, generation, and UUID. Co-developed-by: Mimi Zohar <zohar@linux.ibm.com> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com> |
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| .. | ||
| evm | ||
| ima | ||
| platform_certs | ||
| digsig_asymmetric.c | ||
| digsig.c | ||
| iint.c | ||
| integrity_audit.c | ||
| integrity.h | ||
| Kconfig | ||
| Makefile | ||