commit c8ba937ee3c37505b329b1905eeac217ed38029d
author Sebastian Bøe <sebastian.boe@nordicsemi.no> Wed Jan 19 20:44:04 2022 +0100
committer Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no> Thu Jan 20 16:09:37 2022 +0100
tree a608bd092c517cfc081de182a94e2e029fb10d62
parent 4fb288af9e3028e7d10539594e09c406e768c412

zephyr: Use a smaller sha256 implementation

Reduce the size of the sha256 implementation by 1300 bytes by using a
slower implementation.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>

boot/zephyr/include/config-kw.h

diff --git a/boot/zephyr/include/config-kw.h b/boot/zephyr/include/config-kw.h
index 168e56e..76d5da7 100644
--- a/boot/zephyr/include/config-kw.h
+++ b/boot/zephyr/include/config-kw.h
@@ -57,6 +57,7 @@
 #define MBEDTLS_CIPHER_MODE_CTR
 
 #define MBEDTLS_SHA256_C
+#define MBEDTLS_SHA256_SMALLER
 #define MBEDTLS_SHA224_C
 #define MBEDTLS_AES_C
 #define MBEDTLS_CIPHER_C