diff options
Diffstat (limited to 'Documentation/device-mapper/verity.txt')
| -rw-r--r-- | Documentation/device-mapper/verity.txt | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/Documentation/device-mapper/verity.txt b/Documentation/device-mapper/verity.txt index 9884681535ee..e15bc1a0fb98 100644 --- a/Documentation/device-mapper/verity.txt +++ b/Documentation/device-mapper/verity.txt @@ -11,6 +11,7 @@ Construction Parameters <data_block_size> <hash_block_size> <num_data_blocks> <hash_start_block> <algorithm> <digest> <salt> + [<#opt_params> <opt_params>] <version> This is the type of the on-disk hash format. @@ -62,6 +63,22 @@ Construction Parameters <salt> The hexadecimal encoding of the salt value. +<#opt_params> + Number of optional parameters. If there are no optional parameters, + the optional paramaters section can be skipped or #opt_params can be zero. + Otherwise #opt_params is the number of following arguments. + + Example of optional parameters section: + 1 ignore_corruption + +ignore_corruption + Log corrupted blocks, but allow read operations to proceed normally. + +restart_on_corruption + Restart the system when a corrupted block is discovered. This option is + not compatible with ignore_corruption and requires user space support to + avoid restart loops. + Theory of operation =================== @@ -125,7 +142,7 @@ block boundary) are the hash blocks which are stored a depth at a time The full specification of kernel parameters and on-disk metadata format is available at the cryptsetup project's wiki page - http://code.google.com/p/cryptsetup/wiki/DMVerity + https://gitlab.com/cryptsetup/cryptsetup/wikis/DMVerity Status ====== @@ -142,7 +159,7 @@ Set up a device: A command line tool veritysetup is available to compute or verify the hash tree or activate the kernel device. This is available from -the cryptsetup upstream repository http://code.google.com/p/cryptsetup/ +the cryptsetup upstream repository https://gitlab.com/cryptsetup/cryptsetup/ (as a libcryptsetup extension). Create hash on the device: |