Minor trimming of false positives from valgrind.

1 files changed, 8 insertions, 1 deletions

diff --git a/asdcplib/src/KM_prng.cpp b/asdcplib/src/KM_prng.cpp
index 463ae157..7a0100c1 100755
--- a/asdcplib/src/KM_prng.cpp
+++ b/asdcplib/src/KM_prng.cpp
@@ -39,7 +39,10 @@ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <openssl/aes.h>
 #include <openssl/sha.h>
 #include <openssl/bn.h>
-
+#ifdef LIBDCP_VALGRIND
+#include <valgrind/memcheck.h>
+#endif
+  
 using namespace Kumu;
 
 
@@ -118,6 +121,10 @@ public:
     SHA1_Update(&SHA, key_fodder, RNG_KEY_SIZE);
     SHA1_Final(sha_buf, &SHA);
 
+#ifdef LIBDCP_VALGRIND
+    VALGRIND_MAKE_MEM_DEFINED (sha_buf, 20);
+#endif
+
     AutoMutex Lock(m_Lock);
     AES_set_encrypt_key(sha_buf, RNG_KEY_SIZE_BITS, &m_Context);
     *(ui32_t*)(m_ctr_buf + 12) = 1;