diff options
| author | Milan Broz <gmazyland@gmail.com> | 2025-01-29 13:58:57 +0100 |
|---|---|---|
| committer | Mikulas Patocka <mpatocka@redhat.com> | 2025-02-03 14:10:10 +0100 |
| commit | 8892606045fda29be7adfc5fba21bb1dfe079b93 (patch) | |
| tree | 634dc2b60ac5d5bbb89735a38a01e8a54eecfe62 | |
| parent | d8955df3837f7ae1b555a66e5153235f6919b7a5 (diff) | |
dm-crypt: Document integrity_key_size option.
This patch adds documentation for new option introduced in commit
4441686b24a1 ("dm-crypt: Allow to specify the integrity key size as option").
Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
| -rw-r--r-- | Documentation/admin-guide/device-mapper/dm-crypt.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/admin-guide/device-mapper/dm-crypt.rst b/Documentation/admin-guide/device-mapper/dm-crypt.rst index 9f8139ff97d6..4467f6d4b632 100644 --- a/Documentation/admin-guide/device-mapper/dm-crypt.rst +++ b/Documentation/admin-guide/device-mapper/dm-crypt.rst @@ -146,6 +146,11 @@ integrity:<bytes>:<type> integrity for the encrypted device. The additional space is then used for storing authentication tag (and persistent IV if needed). +integrity_key_size:<bytes> + Optionally set the integrity key size if it differs from the digest size. + It allows the use of wrapped key algorithms where the key size is + independent of the cryptographic key size. + sector_size:<bytes> Use <bytes> as the encryption unit instead of 512 bytes sectors. This option can be in range 512 - 4096 bytes and must be power of two. |