eessppeelllloo/cryptsetup
1
0
Fork 0
mirror of https://gitlab.com/cryptsetup/cryptsetup.git synced 2025-12-06 00:10:04 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add crypt_get_old_volume_key_size API.

Browse Source 
It allows to get former (old) volume key size
from LUKS2 device in reencryption state when
there's at least one keyslot containing encrypted
volume key.
This commit is contained in:
Ondrej Kozina
2025-05-16 13:49:37 +02:00
committed by Milan Broz
parent 3dcb532bd3
commit 4e94c8d809
6 changed files with 73 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
lib/luks2/luks2_json_metadata.c
View File

@@ -2461,6 +2461,19 @@ int LUKS2_get_volume_key_size(struct luks2_hdr *hdr, int segment)
return -1;
}
int LUKS2_get_old_volume_key_size(struct luks2_hdr *hdr)
{
int old_segment;
assert(hdr);
old_segment = LUKS2_reencrypt_segment_old(hdr);
if (old_segment < 0)
return old_segment;
return LUKS2_get_volume_key_size(hdr, old_segment);
}
uint32_t LUKS2_get_sector_size(struct luks2_hdr *hdr)
{
return json_segment_get_sector_size(LUKS2_get_segment_jobj(hdr, CRYPT_DEFAULT_SEGMENT));