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-rw-r--r--include/keys/asymmetric-type.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/keys/asymmetric-type.h b/include/keys/asymmetric-type.h
index c0754abb2f56..59c1df9cf922 100644
--- a/include/keys/asymmetric-type.h
+++ b/include/keys/asymmetric-type.h
@@ -19,6 +19,16 @@
extern struct key_type key_type_asymmetric;
/*
+ * The key payload is four words. The asymmetric-type key uses them as
+ * follows:
+ */
+enum asymmetric_payload_bits {
+ asym_crypto,
+ asym_subtype,
+ asym_key_ids,
+};
+
+/*
* Identifiers for an asymmetric key ID. We have three ways of looking up a
* key derived from an X.509 certificate:
*
@@ -58,6 +68,11 @@ extern struct asymmetric_key_id *asymmetric_key_generate_id(const void *val_1,
size_t len_1,
const void *val_2,
size_t len_2);
+static inline
+const struct asymmetric_key_ids *asymmetric_key_ids(const struct key *key)
+{
+ return key->payload.data[asym_key_ids];
+}
/*
* The payload is at the discretion of the subtype.

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