Fix random issue: increase random seed precision to micro sec
- previously the random seed was seconds based, and it could originate identical identity keys for different OlmAccount
This commit is contained in:
parent
6204fcd128
commit
31f8fe23c5
1 changed files with 8 additions and 1 deletions
|
@ -19,6 +19,7 @@
|
|||
|
||||
#include "olm_jni_helper.h"
|
||||
#include "olm/olm.h"
|
||||
#include <sys/time.h>
|
||||
|
||||
using namespace AndroidOlmSdk;
|
||||
|
||||
|
@ -31,6 +32,8 @@ using namespace AndroidOlmSdk;
|
|||
bool setRandomInBuffer(uint8_t **aBuffer2Ptr, size_t aRandomSize)
|
||||
{
|
||||
bool retCode = false;
|
||||
struct timeval timeValue;
|
||||
|
||||
if(NULL == aBuffer2Ptr)
|
||||
{
|
||||
LOGE("## setRandomInBuffer(): failure - aBuffer=NULL");
|
||||
|
@ -47,10 +50,14 @@ bool setRandomInBuffer(uint8_t **aBuffer2Ptr, size_t aRandomSize)
|
|||
{
|
||||
LOGD("## setRandomInBuffer(): randomSize=%lu",static_cast<long unsigned int>(aRandomSize));
|
||||
|
||||
srand(time(NULL)); // init seed
|
||||
gettimeofday(&timeValue, NULL);
|
||||
srand(timeValue.tv_usec); // init seed
|
||||
|
||||
for(size_t i=0;i<aRandomSize;i++)
|
||||
{
|
||||
(*aBuffer2Ptr)[i] = (uint8_t)(rand()%ACCOUNT_CREATION_RANDOM_MODULO);
|
||||
// debug purpose
|
||||
//LOGD("## setRandomInBuffer(): randomBuffPtr[%ld]=%d",i, (*aBuffer2Ptr)[i]);
|
||||
}
|
||||
|
||||
retCode = true;
|
||||
|
|
Loading…
Reference in a new issue