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Simplify crypt_get_hw_encryption_type internals.

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Do not take into account cipher specification and rely
solely on segment type in LUKS2 metadata.
This commit is contained in:
Ondrej Kozina
2023-07-18 16:29:15 +02:00
parent 7754660409
commit ad3013dfe4
3 changed files with 34 additions and 11 deletions
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12
lib/setup.c
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@@ -6294,18 +6294,14 @@ const char *crypt_get_default_type(void)
int crypt_get_hw_encryption_type(struct crypt_device *cd)
{
uint32_t opal_segment_number;
const char *cipher;
if (!cd)
return -EINVAL;
if (isLUKS2(cd->type) &&
!LUKS2_get_opal_segment_number(&cd->u.luks2.hdr, CRYPT_DEFAULT_SEGMENT, &opal_segment_number)) {
cipher = crypt_get_cipher(cd);
if (!cipher || !strcmp(cipher, "cipher_null"))
if (isLUKS2(cd->type)) {
if (LUKS2_segment_is_hw_opal_crypt(&cd->u.luks2.hdr, CRYPT_DEFAULT_SEGMENT))
return CRYPT_SW_AND_OPAL_HW;
else if (LUKS2_segment_is_hw_opal_only(&cd->u.luks2.hdr, CRYPT_DEFAULT_SEGMENT))
return CRYPT_OPAL_HW_ONLY;
return CRYPT_SW_AND_OPAL_HW;
}
return CRYPT_SW_ONLY;