diff --git a/library/psa_crypto_ecp.h b/library/psa_crypto_ecp.h
index 71f9d6a..8b567fe 100644
--- a/library/psa_crypto_ecp.h
+++ b/library/psa_crypto_ecp.h
@@ -48,6 +48,15 @@
                                                  size_t data_length,
                                                  mbedtls_ecp_keypair **p_ecp);
 
+/** Load the public part of an internal ECP, if required.
+ *
+ * \param ecp               The ECP context to load the public part for.
+ *
+ * \return 0 on success, otherwise an MPI error.
+ */
+
+int mbedtls_psa_ecp_load_public_part(mbedtls_ecp_keypair *ecp);
+
 /** Import an ECP key in binary format.
  *
  * \note The signature of this function is that of a PSA driver