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Unified Diff: base/rand_util_nacl.cc

Issue 324983005: [PPAPI] Add browser tests for compositor API (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@compositor_api_impl_new
Patch Set: Update Created 6 years, 6 months ago
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Index: base/rand_util_nacl.cc
diff --git a/base/rand_util_nacl.cc b/base/rand_util_nacl.cc
index f9751217326b4c72730b98fa1018be49f12a4b1a..4bc8445e0d4bff43953a2625f5127cef88d756fa 100644
--- a/base/rand_util_nacl.cc
+++ b/base/rand_util_nacl.cc
@@ -4,40 +4,38 @@
#include "base/rand_util.h"
+#include <nacl/nacl_random.h>
Peng 2014/06/17 19:14:46 Please ignore changes in base folder. It is a temp
+
#include "base/basictypes.h"
-#include "base/lazy_instance.h"
#include "base/logging.h"
-#include "native_client/src/untrusted/irt/irt.h"
namespace {
-class NaclRandom {
- public:
- NaclRandom() {
- const size_t result =
- nacl_interface_query(NACL_IRT_RANDOM_v0_1, &random_, sizeof(random_));
- CHECK_EQ(result, sizeof(random_));
- }
-
- ~NaclRandom() {}
+int i = 0;
- void GetRandomBytes(void* output, size_t num_bytes) {
+void GetRandomBytes(void* output, size_t num_bytes) {
+ if (nacl_secure_random_init() == 0) {
char* output_ptr = static_cast<char*>(output);
while (num_bytes > 0) {
size_t nread;
- const int error = random_.get_random_bytes(output_ptr, num_bytes, &nread);
+ const int error = nacl_secure_random(output_ptr, num_bytes, &nread);
CHECK_EQ(error, 0);
CHECK_LE(nread, num_bytes);
output_ptr += nread;
num_bytes -= nread;
}
+ } else {
+ char* output_ptr = static_cast<char*>(output);
+ while (num_bytes > 0) {
+ int r = (++i) + reinterpret_cast<int>(output_ptr);
+ while (r >= 255) {
+ r = r + ( r >> 8);
+ }
+ *output_ptr++ = r;
+ num_bytes--;
+ }
}
-
- private:
- nacl_irt_random random_;
-};
-
-base::LazyInstance<NaclRandom>::Leaky g_nacl_random = LAZY_INSTANCE_INITIALIZER;
+}
} // namespace
@@ -46,12 +44,12 @@ namespace base {
// NOTE: This function must be cryptographically secure. http://crbug.com/140076
uint64 RandUint64() {
uint64 result;
- g_nacl_random.Pointer()->GetRandomBytes(&result, sizeof(result));
+ GetRandomBytes(&result, sizeof(result));
return result;
}
void RandBytes(void* output, size_t output_length) {
- g_nacl_random.Pointer()->GetRandomBytes(output, output_length);
+ GetRandomBytes(output, output_length);
}
} // namespace base
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