Improve documentation of MBEDTLS_AES_FEWER_TABLES in config.h

This commit is contained in:
Hanno Becker 2018-03-28 11:42:05 +01:00
parent 98a678674b
commit 6a92ce6fd9

View File

@ -388,8 +388,10 @@
* *
* Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb
* (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the
* the time to setup an AES context. It comes at the cost of additional * initialization time before the first AES operation can be performed.
* ~8kb ROM use (resp. ~2kb if \c MBEDTLS_AES_FEWER_TABLES below is used). * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c
* MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded
* performance if ROM access is slower than RAM access.
* *
* This option is independent of \c MBEDTLS_AES_FEWER_TABLES. * This option is independent of \c MBEDTLS_AES_FEWER_TABLES.
* *