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KEYS: Allow authentication data to be stored in an asymmetric key

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Allow authentication data to be stored in an asymmetric key in the 4th
element of the key payload and provide a way for it to be destroyed.

For the public key subtype, this will be a public_key_signature struct.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2016-04-06 16:13:33 +01:00
parent 864e7a816a
commit 3b76456317
7 changed files with 43 additions and 14 deletions
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20
crypto/asymmetric_keys/public_key.c
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@@ -39,15 +39,23 @@ static void public_key_describe(const struct key *asymmetric_key,
/*
* Destroy a public key algorithm key.
*/
void public_key_destroy(void *payload)
void public_key_free(struct public_key *key)
{
struct public_key *key = payload;
if (key)
if (key) {
kfree(key->key);
kfree(key);
kfree(key);
}
}
EXPORT_SYMBOL_GPL(public_key_free);
/*
* Destroy a public key algorithm key.
*/
static void public_key_destroy(void *payload0, void *payload3)
{
public_key_free(payload0);
public_key_signature_free(payload3);
}
EXPORT_SYMBOL_GPL(public_key_destroy);
struct public_key_completion {
struct completion completion;