diff --git a/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.h b/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.h
index f3ff32328b..506516de76 100644
--- a/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.h
+++ b/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.h
@@ -120,6 +120,44 @@ psa_status_t mbedtls_psa_ecp_export_public_key(
     const uint8_t *key_buffer, size_t key_buffer_size,
     uint8_t *data, size_t data_size, size_t *data_length);
 
+/**
+ * \brief Setup a new interruptible export public-key operation.
+ *
+ *  \param[in] operation                 The \c mbedtls_psa_export_public_key_iop_operation_t to use.
+ *                                       This must be initialized first.
+ *  \param[in] private_key               pointer to private key.
+ *  \param[in] private_key_len           size of \p private_key in bytes.
+ *  \param[in] private_key_attributes    Key attributes of the private key.
+ *
+ *  \retval #PSA_SUCCESS
+ *         The operation started successfully - call \c mbedtls_psa_ecp_export_public_key_iop_complete()
+ *         with the same operation to complete the operation.
+ * \retval #PSA_ERROR_NOT_SUPPORTED
+ *           Either no internal interruptible operations are
+ *           currently supported, or the key attributes are not unsupported.
+ * \retval #PSA_ERROR_INSUFFICIENT_MEMORY
+ *         There was insufficient memory to load the key representation.
+ * \retval #PSA_ERROR_INVALID_ARGUMENT \emptydescription
+ * \retval #PSA_ERROR_CORRUPTION_DETECTED \emptydescription
+ *
+ */
+psa_status_t mbedtls_psa_ecp_export_public_key_iop_setup(
+    mbedtls_psa_export_public_key_iop_operation_t *operation,
+    uint8_t *private_key,
+    size_t private_key_len,
+    const psa_key_attributes_t *private_key_attributes);
+
+/**
+ * \brief Abort an interruptible export public-key operation.
+ *
+ * \param[in] operation               The \c mbedtls_psa_export_public_key_iop_operation_t to abort.
+ *
+ * \retval #PSA_SUCCESS
+ *         The operation was aborted successfully.
+ */
+psa_status_t mbedtls_psa_ecp_export_public_key_iop_abort(
+    mbedtls_psa_export_public_key_iop_operation_t *operation);
+
 /**
  * \brief Generate an ECP key.
  *