727 	unsigned char *der = NULL;  in dpp_bootstrap_key_der()  local
731 	der_len = crypto_ec_write_pub_key(key, &der);  in dpp_bootstrap_key_der()
732 	if (!der) {  in dpp_bootstrap_key_der()
736 	ret = wpabuf_alloc_copy(der, der_len);  in dpp_bootstrap_key_der()
738 	os_free(der);  in dpp_bootstrap_key_der()
744 	struct wpabuf *der;  in dpp_bootstrap_key_hash()  local
749 	der = dpp_bootstrap_key_der(bi->pubkey);  in dpp_bootstrap_key_hash()
750 	if (!der)  in dpp_bootstrap_key_hash()
753 			der);  in dpp_bootstrap_key_hash()
755 	addr[0] = wpabuf_head(der);  in dpp_bootstrap_key_hash()
756 	len[0] = wpabuf_len(der);  in dpp_bootstrap_key_hash()
763 	wpabuf_free(der);  in dpp_bootstrap_key_hash()
774 	struct wpabuf *der = NULL;  in dpp_keygen()  local
796 	der = dpp_bootstrap_key_der(bi->pubkey);  in dpp_keygen()
797 	if (!der)  in dpp_keygen()
800 			der);  in dpp_keygen()
802 	addr[0] = wpabuf_head(der);  in dpp_keygen()
803 	len = wpabuf_len(der);  in dpp_keygen()
812 	base64 = (char *)base64_encode(wpabuf_head(der), wpabuf_len(der), &len);  in dpp_keygen()
813 	wpabuf_free(der);  in dpp_keygen()
814 	der = NULL;  in dpp_keygen()
828 	wpabuf_free(der);  in dpp_keygen()
4957 	unsigned char *der = NULL;  in dpp_copy_csign()  local
4960 	der_len = crypto_write_pubkey_der(csign, &der);  in dpp_copy_csign()
4964 	conf->c_sign_key = wpabuf_alloc_copy(der, der_len);  in dpp_copy_csign()
4965 	crypto_free_buffer(der);  in dpp_copy_csign()
4971 	unsigned char *der = NULL;  in dpp_copy_netaccesskey()  local
4974 	if (crypto_ec_get_priv_key_der(auth->own_protocol_key, &der, &der_len) < 0)  in dpp_copy_netaccesskey()
4977 	auth->net_access_key = wpabuf_alloc_copy(der, der_len);  in dpp_copy_netaccesskey()
4978 	crypto_free_buffer(der);  in dpp_copy_netaccesskey()