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libdevmapper: Support dm-crypt integrity_key_size option

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This patch implement support for setting specific integrity key size
option in dm-crypt, available since dm-crypt version 1.28.0.

This can be used for setting non-standard HMAC key length.

Mostly based on code from Ingo Franzki <ifranzki@linux.ibm.com>
This commit is contained in:
Milan Broz
2024-11-25 10:47:45 +01:00
parent 1bea029cef
commit ff3e2c6a43
12 changed files with 39 additions and 35 deletions
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2
lib/bitlk/bitlk.c
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@@ -1365,7 +1365,7 @@ static int _activate(struct crypt_device *cd,
crypt_get_cipher_spec(cd),
segments[i].iv_offset,
segments[i].iv_offset,
NULL, 0,
NULL, 0, 0,
params->sector_size);
if (r)
goto out;