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authorTHOBY Simon <Simon.THOBY@viveris.fr>2021-08-16 08:11:00 +0000
committerMimi Zohar <zohar@linux.ibm.com>2021-08-16 17:30:41 -0400
commit1624dc0086056c3a35fd34b0235bb1eb88c1c4d5 (patch)
tree5b2d3eb0600d257add0a38841c7af1c275b7c540 /Documentation/ABI/testing/ima_policy
parent50f742dd91474e7f4954bf88d094eede59783883 (diff)
downloadlinux-1624dc0086056c3a35fd34b0235bb1eb88c1c4d5.tar.bz2
IMA: add support to restrict the hash algorithms used for file appraisal
The kernel accepts any hash algorithm as a value for the security.ima xattr. Users may wish to restrict the accepted algorithms to only support strong cryptographic ones. Provide the plumbing to restrict the permitted set of hash algorithms used for verifying file hashes and signatures stored in security.ima xattr. Signed-off-by: THOBY Simon <Simon.THOBY@viveris.fr> Reviewed-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
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