feat(rme): add dummy realm attestation key to RMMD
Add a dummy realm attestation key to RMMD, and return it on request.
The realm attestation key is requested with an SMC with the following
parameters:
* Fid (0xC400001B2).
* Attestation key buffer PA (the realm attestation key is copied
at this address by the monitor).
* Attestation key buffer length as input and size of realm
attesation key as output.
* Type of elliptic curve.
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Signed-off-by: Subhasish Ghosh <subhasish.ghosh@arm.com>
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
Change-Id: I12d8d98fd221f4638ef225c9383374ddf6e65eac
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index 9deb33d..7664509 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -307,6 +307,9 @@
******************************************************************************/
int plat_get_cca_attest_token(uintptr_t buf, size_t *len,
uintptr_t hash, size_t hash_size);
+int plat_get_cca_realm_attest_key(uintptr_t buf, size_t *len,
+ unsigned int type);
+
/*******************************************************************************
* Optional BL31 functions (may be overridden)
******************************************************************************/