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Add crypt_get_old_volume_key_size API.

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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
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lib/luks2/luks2.h
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@@ -411,6 +411,7 @@ const char *LUKS2_get_integrity(struct luks2_hdr *hdr, int segment);
int LUKS2_get_integrity_key_size(struct luks2_hdr *hdr, int segment);
int LUKS2_keyslot_params_default(struct crypt_device *cd, struct luks2_hdr *hdr,
struct luks2_keyslot_params *params);
int LUKS2_get_old_volume_key_size(struct luks2_hdr *hdr);
int LUKS2_get_volume_key_size(struct luks2_hdr *hdr, int segment);
int LUKS2_get_keyslot_stored_key_size(struct luks2_hdr *hdr, int keyslot);
const char *LUKS2_get_keyslot_cipher(struct luks2_hdr *hdr, int keyslot, size_t *key_size);