Re: [RFC PATCH v3 1/1] Add dm verity root hash pkcs7 sig validation

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On Sat, 8 Jun 2019, Milan Broz wrote:

On 08/06/2019 00:31, Jaskaran Khurana wrote:
The verification is to support cases where the roothash is not secured by

+	key = request_key(&key_type_user,
+			key_desc, NULL);
+	if (IS_ERR(key))
+		return PTR_ERR(key);

You will need dependence on keyring here (kernel can be configured without it),
try to compile it without CONFIG_KEYS selected.

I think it is ok that  DM_VERITY_VERIFY_ROOTHASH_SIG can directly require CONFIG_KEYS.
(Add depends on CONFIG_KEYS in KConfig)


DM_VERITY_VERIFY_ROOTHASH_SIG selects SYSTEM_DATA_VERIFICATION and SYSTEM_DATA_VERIFICATION selects KEYS so we should be OK here.


Thanks,
Milan

Thanks,
Jaskaran.

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