Require openssl >= 1.1.1

Versions older this are sufficiently old that we don't want to support
them, and they require extra support code.

1 files changed, 0 insertions, 23 deletions

diff --git a/src/libutil/hash.cc b/src/libutil/hash.cc
index 9df8bcfb4..02bddc8d9 100644
--- a/src/libutil/hash.cc
+++ b/src/libutil/hash.cc
@@ -17,29 +17,6 @@
 
 namespace nix {
 
-#if OPENSSL_VERSION_NUMBER < 0x10101000L
-/* OpenSSL is not thread-safe by default - it will randomly crash
-   unless the user supplies a mutex locking function. So let's do
-   that. */
-static std::vector<std::mutex> opensslLocks;
-
-static void opensslLockCallback(int mode, int type, const char * file, int line)
-{
-    if (mode & CRYPTO_LOCK)
-        opensslLocks[type].lock();
-    else
-        opensslLocks[type].unlock();
-}
-#endif
-
-void initOpenSSL() {
-#if OPENSSL_VERSION_NUMBER < 0x10101000L
-    /* Initialise OpenSSL locking. */
-    opensslLocks = std::vector<std::mutex>(CRYPTO_num_locks());
-    CRYPTO_set_locking_callback(opensslLockCallback);
-#endif
-}
-
 static size_t regularHashSize(HashType type) {
     switch (type) {
     case htMD5: return md5HashSize;