From a76f92b3c3bb60e9dc7816da79ff14b7266465b0 Mon Sep 17 00:00:00 2001 From: Matthias Ringwald Date: Thu, 9 Jun 2016 21:36:56 +0200 Subject: [PATCH] docu: more on le secure connections --- doc/manual/docs/protocols.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/manual/docs/protocols.md b/doc/manual/docs/protocols.md index b9c0d6073..8305a5402 100644 --- a/doc/manual/docs/protocols.md +++ b/doc/manual/docs/protocols.md @@ -776,9 +776,9 @@ the Bluetooth Core V4.2 specification introduced appropriate commands for the Bl As an alternative for controller that don't provide these primitives, BTstack implements the crytographic functions in software with the help of the Apache 2.0 Licensed [mbed TLS library](https://tls.mbed.org). -There are two drawbacks when using LE Secure Connections: +There are two details to be aware about using LE Secure Connections: - - More RAM: It requires an additional 1.5 kB RAM in the current configuration (with mbed TLS). + - More RAM: It requires an additional 1.5 kB RAM when using mbed TLS instead of hardware support by the Bluetooth controller. - Peripheral must store LTK: Even an LE Peripheral needs to store the LTK in non-volatile memory.