aboutsummaryrefslogtreecommitdiff
path: root/src/util/system.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/util/system.cpp')
-rw-r--r--src/util/system.cpp51
1 files changed, 0 insertions, 51 deletions
diff --git a/src/util/system.cpp b/src/util/system.cpp
index 3ef8111b32..06317a3a90 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -73,9 +73,6 @@
#include <malloc.h>
#endif
-#include <openssl/crypto.h>
-#include <openssl/rand.h>
-#include <openssl/conf.h>
#include <thread>
// Application startup time (used for uptime calculation)
@@ -86,54 +83,6 @@ const char * const BITCOIN_PID_FILENAME = "bitcoind.pid";
ArgsManager gArgs;
-/** Init OpenSSL library multithreading support */
-static std::unique_ptr<CCriticalSection[]> ppmutexOpenSSL;
-void locking_callback(int mode, int i, const char* file, int line) NO_THREAD_SAFETY_ANALYSIS
-{
- if (mode & CRYPTO_LOCK) {
- ENTER_CRITICAL_SECTION(ppmutexOpenSSL[i]);
- } else {
- LEAVE_CRITICAL_SECTION(ppmutexOpenSSL[i]);
- }
-}
-
-// Singleton for wrapping OpenSSL setup/teardown.
-class CInit
-{
-public:
- CInit()
- {
- // Init OpenSSL library multithreading support
- ppmutexOpenSSL.reset(new CCriticalSection[CRYPTO_num_locks()]);
- CRYPTO_set_locking_callback(locking_callback);
-
- // OpenSSL can optionally load a config file which lists optional loadable modules and engines.
- // We don't use them so we don't require the config. However some of our libs may call functions
- // which attempt to load the config file, possibly resulting in an exit() or crash if it is missing
- // or corrupt. Explicitly tell OpenSSL not to try to load the file. The result for our libs will be
- // that the config appears to have been loaded and there are no modules/engines available.
- OPENSSL_no_config();
-
-#ifdef WIN32
- // Seed OpenSSL PRNG with current contents of the screen
- RAND_screen();
-#endif
-
- // 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(nullptr);
- // Clear the set of locks now to maintain symmetry with the constructor.
- ppmutexOpenSSL.reset();
- }
-}
-instance_of_cinit;
-
/** A map that contains all the currently held directory locks. After
* successful locking, these will be held here until the global destructor
* cleans them up and thus automatically unlocks them, or ReleaseDirectoryLocks