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Improve documentation of MBEDTLS_AES_FEWER_TABLES in config.h

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Hanno Becker 2018-03-28 11:42:05 +01:00
parent 98a678674b
commit 6a92ce6fd9
1 changed files with 4 additions and 2 deletions
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6
include/mbedtls/config.h
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@ -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.
* *