config_psa: enabled EC key derivation support when ECP_C is enabled
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index b3be212..8f535a5 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -743,10 +743,16 @@
#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT 1
#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT 1
#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE 1
+/* Normally we wouldn't enable this because it's not implemented in ecp.c,
+ * but since it used to be available any time ECP_C was enabled, let's enable
+ * it anyway for the sake of backwards compatibility */
+#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE 1
#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_BASIC 1
#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_IMPORT 1
#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_EXPORT 1
#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_GENERATE 1
+/* See comment for PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE above. */
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_DERIVE 1
#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY 1
#define PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY 1
#endif /* MBEDTLS_ECP_C */