1 files changed, 30 insertions, 0 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/entropy/darwin_secrandom/darwin_secrandom.cpp b/src/libs/3rdparty/botan/src/lib/entropy/darwin_secrandom/darwin_secrandom.cpp
new file mode 100644
index 0000000000..1e36136155
--- /dev/null
+++ b/src/libs/3rdparty/botan/src/lib/entropy/darwin_secrandom/darwin_secrandom.cpp
@@ -0,0 +1,30 @@
+/*
+* Darwin SecRandomCopyBytes EntropySource
+* (C) 2015 Daniel Seither (Kullo GmbH)
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/internal/darwin_secrandom.h>
+#include <Security/Security.h>
+#include <Security/SecRandom.h>
+
+namespace Botan {
+
+/**
+* Gather entropy from SecRandomCopyBytes
+*/
+size_t Darwin_SecRandom::poll(RandomNumberGenerator& rng)
+   {
+   secure_vector<uint8_t> buf(BOTAN_SYSTEM_RNG_POLL_REQUEST);
+
+   if(0 == SecRandomCopyBytes(kSecRandomDefault, buf.size(), buf.data()))
+      {
+      rng.add_entropy(buf.data(), buf.size());
+      return buf.size() * 8;
+      }
+
+   return 0;
+   }
+
+}