diff options
| -rw-r--r-- | src/random.cpp | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/src/random.cpp b/src/random.cpp index d418740813..47d76d8700 100644 --- a/src/random.cpp +++ b/src/random.cpp @@ -43,10 +43,6 @@ #include <sys/sysctl.h> #endif -#include <openssl/err.h> -#include <openssl/rand.h> -#include <openssl/conf.h> - [[noreturn]] static void RandFailure() { LogPrintf("Failed to read randomness, aborting\n"); @@ -347,8 +343,6 @@ void GetOSRand(unsigned char *ent32) #endif } -void LockingCallbackOpenSSL(int mode, int i, const char* file, int line); - namespace { class RNGState { @@ -364,31 +358,15 @@ class RNGState { unsigned char m_state[32] GUARDED_BY(m_mutex) = {0}; uint64_t m_counter GUARDED_BY(m_mutex) = 0; bool m_strongly_seeded GUARDED_BY(m_mutex) = false; - std::unique_ptr<Mutex[]> m_mutex_openssl; public: RNGState() noexcept { InitHardwareRand(); - - // Init OpenSSL library multithreading support - m_mutex_openssl.reset(new Mutex[CRYPTO_num_locks()]); - CRYPTO_set_locking_callback(LockingCallbackOpenSSL); - - // 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(); } ~RNGState() { - // Securely erase the memory used by the OpenSSL PRNG - RAND_cleanup(); - // Shutdown OpenSSL library multithreading support - CRYPTO_set_locking_callback(nullptr); } /** Extract up to 32 bytes of entropy from the RNG state, mixing in new entropy from hasher. @@ -424,8 +402,6 @@ public: memory_cleanse(buf, 64); return ret; } - - Mutex& GetOpenSSLMutex(int i) { return m_mutex_openssl[i]; } }; RNGState& GetRNGState() noexcept @@ -437,17 +413,6 @@ RNGState& GetRNGState() noexcept } } -void LockingCallbackOpenSSL(int mode, int i, const char* file, int line) NO_THREAD_SAFETY_ANALYSIS -{ - RNGState& rng = GetRNGState(); - - if (mode & CRYPTO_LOCK) { - rng.GetOpenSSLMutex(i).lock(); - } else { - rng.GetOpenSSLMutex(i).unlock(); - } -} - /* A note on the use of noexcept in the seeding functions below: * * None of the RNG code should ever throw any exception, with the sole exception |