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Fix for InTime RTOS v5. The arc4random_buf wasn't added until v6, so opting to use arc4random. ZD 11760.

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David Garske
2021-02-25 08:54:30 -08:00
parent c201b6801c
commit acff0e8781
1 changed files with 12 additions and 7 deletions
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19
wolfcrypt/src/random.c
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@ -2236,19 +2236,24 @@ int wc_GenerateSeed(OS_Seed* os, byte* output, word32 sz)
#elif defined(INTIME_RTOS) #elif defined(INTIME_RTOS)
int wc_GenerateSeed(OS_Seed* os, byte* output, word32 sz) int wc_GenerateSeed(OS_Seed* os, byte* output, word32 sz)
{ {
int ret = 0; uint32_t rand;
word32 len = sizeof(rand);
(void)os;
if (output == NULL) { if (output == NULL) {
return BUFFER_E; return BUFFER_E;
} }
/* Note: Investigate better solution */ while (sz > 0) {
/* no return to check */ if (sz < len)
arc4random_buf(output, sz); len = sz;
rand = arc4random(); /* returns 32-bits of random */
XMEMCPY(output, &rand, len);
output += len;
sz -= len;
}
(void)os;
return ret; return 0;
} }
#elif defined(WOLFSSL_WICED) #elif defined(WOLFSSL_WICED)