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Zephyr: improve order of random seed sources

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When using Zephyr, we also want to use the proper wc_GenerateSeed
method. However, if one of the defines is set (e.g., NO_STM32_RNG), the
Zephyr option is ignored, although it would work. Hence, we have to
change the order in which these settings for the source of a random seed
are evaluated.

Signed-off-by: Tobias Frauenschläger <t.frauenschlaeger@me.com>
This commit is contained in:
Tobias Frauenschläger
2023-10-30 16:24:41 +01:00
committed by Juliusz Sosinowicz
parent 182eaa0b63
commit 081b34919c
1 changed files with 14 additions and 14 deletions
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28
wolfcrypt/src/random.c
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@@ -3506,20 +3506,6 @@ int wc_GenerateSeed(OS_Seed* os, byte* output, word32 sz)
* extern int myRngFunc(byte* output, word32 sz);
*/
#elif defined(WOLFSSL_SAFERTOS) || defined(WOLFSSL_LEANPSK) || \
defined(WOLFSSL_IAR_ARM) || defined(WOLFSSL_MDK_ARM) || \
defined(WOLFSSL_uITRON4) || defined(WOLFSSL_uTKERNEL2) || \
defined(WOLFSSL_LPC43xx) || defined(NO_STM32_RNG) || \
defined(MBED) || defined(WOLFSSL_EMBOS) || \
defined(WOLFSSL_GENSEED_FORTEST) || defined(WOLFSSL_CHIBIOS) || \
defined(WOLFSSL_CONTIKI) || defined(WOLFSSL_AZSPHERE)
/* these platforms do not have a default random seed and
you'll need to implement your own wc_GenerateSeed or define via
CUSTOM_RAND_GENERATE_BLOCK */
#define USE_TEST_GENSEED
#elif defined(WOLFSSL_ZEPHYR)
#include <version.h>
@@ -3630,6 +3616,20 @@ int wc_GenerateSeed(OS_Seed* os, byte* output, word32 sz)
return ret;
}
#elif defined(WOLFSSL_SAFERTOS) || defined(WOLFSSL_LEANPSK) || \
defined(WOLFSSL_IAR_ARM) || defined(WOLFSSL_MDK_ARM) || \
defined(WOLFSSL_uITRON4) || defined(WOLFSSL_uTKERNEL2) || \
defined(WOLFSSL_LPC43xx) || defined(NO_STM32_RNG) || \
defined(MBED) || defined(WOLFSSL_EMBOS) || \
defined(WOLFSSL_GENSEED_FORTEST) || defined(WOLFSSL_CHIBIOS) || \
defined(WOLFSSL_CONTIKI) || defined(WOLFSSL_AZSPHERE)
/* these platforms do not have a default random seed and
you'll need to implement your own wc_GenerateSeed or define via
CUSTOM_RAND_GENERATE_BLOCK */
#define USE_TEST_GENSEED
#elif defined(NO_DEV_RANDOM)
#error "you need to write an os specific wc_GenerateSeed() here"