From 9cc5813407700ee86d43c02ddd8f75c52c7d8ca7 Mon Sep 17 00:00:00 2001
From: Rohan S <3526930+brosahay@users.noreply.github.com>
Date: Wed, 25 Oct 2023 10:23:29 +0530
Subject: [PATCH] Adds changes to support mbedTLS

---
 src/platform/silabs/SiWx917/PlatformManagerImpl.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/platform/silabs/SiWx917/PlatformManagerImpl.cpp b/src/platform/silabs/SiWx917/PlatformManagerImpl.cpp
index c49b205c062d35..86d3f43eeaf17c 100644
--- a/src/platform/silabs/SiWx917/PlatformManagerImpl.cpp
+++ b/src/platform/silabs/SiWx917/PlatformManagerImpl.cpp
@@ -51,9 +51,7 @@ namespace DeviceLayer {
 PlatformManagerImpl PlatformManagerImpl::sInstance;
 #if defined(TINYCRYPT_PRIMITIVES)
 sys_mutex_t PlatformManagerImpl::rngMutexHandle = NULL;
-#endif // TINYCRYPT_PRIMITIVES
 
-#if defined(TINYCRYPT_PRIMITIVES)
 int PlatformManagerImpl::uECC_RNG_Function(uint8_t * dest, unsigned int size)
 {
     int res;
@@ -64,7 +62,8 @@ int PlatformManagerImpl::uECC_RNG_Function(uint8_t * dest, unsigned int size)
 
     return res;
 }
-
+#endif // TINYCRYPT_PRIMITIVES
+#if (defined(TINYCRYPT_PRIMITIVES) || defined(CHIP_CRYPTO_MBEDTLS))
 static void app_get_random(uint8_t * aOutput, size_t aLen)
 {
     size_t i;
@@ -82,7 +81,7 @@ static int app_entropy_source(void * data, unsigned char * output, size_t len, s
 
     return 0;
 }
-#endif // TINYCRYPT_PRIMITIVES
+#endif // TINYCRYPT_PRIMITIVES || CHIP_CRYPTO_MBEDTLS
 
 CHIP_ERROR PlatformManagerImpl::_InitChipStack(void)
 {
@@ -99,10 +98,12 @@ CHIP_ERROR PlatformManagerImpl::_InitChipStack(void)
 
     ReturnErrorOnFailure(System::Clock::InitClock_RealTime());
 
-#if defined(TINYCRYPT_PRIMITIVES)
+#if (defined(TINYCRYPT_PRIMITIVES) || defined(CHIP_CRYPTO_MBEDTLS))
     // 16 : Threshold value
     ReturnErrorOnFailure(chip::Crypto::add_entropy_source(app_entropy_source, NULL, 16));
+#endif // TINYCRYPT_PRIMITIVES || CHIP_CRYPTO_MBEDTLS
 
+#if defined(TINYCRYPT_PRIMITIVES)
     /* Set RNG function for tinycrypt operations. */
     err_t ret;
     ret = sys_mutex_new(&rngMutexHandle);