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Add a multithread rand test

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Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/5547)
This commit is contained in:
Kurt Roeckx 2018-03-11 15:19:13 +01:00 committed by Dr. Matthias St. Pierre
parent 16cfc2c90d
commit 440bce8f81
1 changed files with 89 additions and 0 deletions
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89
test/drbgtest.c
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@ -17,6 +17,10 @@
#include <openssl/aes.h>
#include "../crypto/rand/rand_lcl.h"
#if defined(_WIN32)
# include <windows.h>
#endif
#include "testutil.h"
#include "drbgtest.h"
@ -762,6 +766,88 @@ error:
return rv;
}
#if defined(OPENSSL_THREADS)
static void run_multi_thread_test(void)
{
unsigned char buf[256];
time_t start = time(NULL);
RAND_DRBG *public, *private;
public = RAND_DRBG_get0_public();
private = RAND_DRBG_get0_private();
RAND_DRBG_set_reseed_time_interval(public, 1);
RAND_DRBG_set_reseed_time_interval(private, 1);
do {
RAND_bytes(buf, sizeof(buf));
RAND_priv_bytes(buf, sizeof(buf));
}
while(time(NULL) - start < 5);
}
# if defined(OPENSSL_SYS_WINDOWS)
typedef HANDLE thread_t;
static DWORD WINAPI thread_run(LPVOID arg)
{
run_multi_thread_test();
return 0;
}
static int run_thread(thread_t *t)
{
*t = CreateThread(NULL, 0, thread_run, NULL, 0, NULL);
return *t != NULL;
}
static int wait_for_thread(thread_t thread)
{
return WaitForSingleObject(thread, INFINITE) == 0;
}
# else
typedef pthread_t thread_t;
static void *thread_run(void *arg)
{
run_multi_thread_test();
return NULL;
}
static int run_thread(thread_t *t)
{
return pthread_create(t, NULL, thread_run, NULL) == 0;
}
static int wait_for_thread(thread_t thread)
{
return pthread_join(thread, NULL) == 0;
}
# endif
/*
* The main thread will also run the test, so we'll have THREADS+1 parallel
* tests running
*/
#define THREADS 3
static int test_multi_thread(void)
{
thread_t t[THREADS];
int i;
for (i = 0; i < THREADS; i++)
run_thread(&t[i]);
run_multi_thread_test();
for (i = 0; i < THREADS; i++)
wait_for_thread(t[i]);
return 1;
}
#endif
int setup_tests(void)
{
@ -770,5 +856,8 @@ int setup_tests(void)
ADD_ALL_TESTS(test_kats, OSSL_NELEM(drbg_test));
ADD_ALL_TESTS(test_error_checks, OSSL_NELEM(drbg_test));
ADD_TEST(test_rand_reseed);
#if defined(OPENSSL_THREADS)
ADD_TEST(test_multi_thread);
#endif
return 1;
}