feat(psa): introduce generic library for CCA attestation
Add a generic Arm CCA attestation library driver to interface with the
PSA delegated attestation partition APIs that use RSE to fetch the
platform attestation token and Realm attestation key.
Signed-off-by: Rohit Mathew <rohit.mathew@arm.com>
Signed-off-by: Vivek Gautam <vivek.gautam@arm.com>
Change-Id: I882273e97567cc068f90d2ef089410f3a93c6b00
diff --git a/include/lib/psa/cca_attestation.h b/include/lib/psa/cca_attestation.h
new file mode 100644
index 0000000..4062dde
--- /dev/null
+++ b/include/lib/psa/cca_attestation.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CCA_ATTESTATION_H
+#define CCA_ATTESTATION_H
+
+#include <stdint.h>
+#include <psa/crypto_types.h>
+
+psa_status_t
+cca_attestation_get_realm_key(uintptr_t buf, size_t *len, unsigned int type);
+
+psa_status_t
+cca_attestation_get_plat_token(uintptr_t buf, size_t *len,
+ uintptr_t hash, size_t hash_size);
+
+#endif /* CCA_ATTESTATION_H */