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[random-manager] fail if unable to seed the CTR DRBG (#6071)

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This commit is contained in:
Diego Ismirlian
2021-01-14 20:58:45 -08:00
committed by GitHub
parent 0247d02b9d
commit 50054722a2
1 changed files with 13 additions and 1 deletions
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src/core/common/random_manager.cpp
+13 -1
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@@ -41,6 +41,7 @@
#include "common/code_utils.hpp"
#include "common/debug.hpp"
#include "common/logging.hpp"
#include "common/random.hpp"
#include "crypto/mbedtls.hpp"
@@ -190,8 +191,19 @@ exit:
void RandomManager::CryptoCtrDrbg::Init(void)
{
int rval;
mbedtls_ctr_drbg_init(&mCtrDrbg);
mbedtls_ctr_drbg_seed(&mCtrDrbg, mbedtls_entropy_func, RandomManager::GetMbedTlsEntropyContext(), nullptr, 0);
rval =
mbedtls_ctr_drbg_seed(&mCtrDrbg, mbedtls_entropy_func, RandomManager::GetMbedTlsEntropyContext(), nullptr, 0);
if (rval != 0)
{
otLogCritMbedTls("Failed to seed the CTR DRBG");
}
OT_ASSERT(rval == 0);
}
void RandomManager::CryptoCtrDrbg::Deinit(void)