1 files changed, 5 insertions, 0 deletions
diff --git a/src/random.h b/src/random.h
index 29de587312..0464bdce14 100644
--- a/src/random.h
+++ b/src/random.h
@@ -58,4 +58,9 @@ static const ssize_t NUM_OS_RANDOM_BYTES = 32;
  */
 void GetOSRand(unsigned char *ent32);
 
+/** Check that OS randomness is available and returning the requested number
+ * of bytes.
+ */
+bool Random_SanityCheck();
+
 #endif // BITCOIN_RANDOM_H