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 |