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SubjectRe: [PATCH v2 1/2] security/keys/secure_key: Adds the secure key support based on CAAM.
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On Fri, 2018-08-03 at 15:55 +0100, David Howells wrote:
> Mimi Zohar <zohar@linux.ibm.com> wrote:
>
> > "trusted" keys are currently being used to decrypt other keys (eg.
> > encrypted, ecryptfs, ...).
>
> Can it decrypt both symmetric and asymmetric keys?

Yes, the "trusted" key is returned to the caller and is used to
decrypt a datablob.

For an example, refer to encrypted_key_decrypt().  The call
to request_master_key() returns either the "trusted" or "user" type
key, which is used to decrypt the "enccrypted" key type.

Mimi

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