Note that ecp read/write functions don't support Curve448 yet
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index 0c23f5d..33ea14d 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -1265,6 +1265,8 @@
/**
* \brief This function reads an elliptic curve private key.
*
+ * \note This function does not support Curve448 yet.
+ *
* \param grp_id The ECP group identifier.
* \param key The destination key.
* \param buf The buffer containing the binary representation of the
@@ -1299,6 +1301,8 @@
* the output is unspecified. Future versions
* may return an error in that case.
*
+ * \note This function does not support Curve448 yet.
+ *
* \param key The private key.
* \param buf The output buffer for containing the binary representation
* of the key.