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-rw-r--r--src/util.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/util.cpp b/src/util.cpp
index 7a0e2cc800..5c1ed23b73 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -121,15 +121,17 @@ public:
CRYPTO_set_locking_callback(locking_callback);
#ifdef WIN32
- // Seed random number generator with screen scrape and other hardware sources
+ // Seed OpenSSL PRNG with current contents of the screen
RAND_screen();
#endif
- // Seed random number generator with performance counter
+ // Seed OpenSSL PRNG with performance counter
RandAddSeed();
}
~CInit()
{
+ // Securely erase the memory used by the PRNG
+ RAND_cleanup();
// Shutdown OpenSSL library multithreading support
CRYPTO_set_locking_callback(NULL);
for (int i = 0; i < CRYPTO_num_locks(); i++)