Revert "SERVER-43641 upgrade random.h"

This reverts commit 96da177c6ae7b7ed0f29983ad033d8a59524b0b2.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/mongo/db/auth/sasl_scram_server_conversation.cpp b/src/mongo/db/auth/sasl_scram_server_conversation.cpp
index 897d502533a..fc223097b4f 100644
--- a/src/mongo/db/auth/sasl_scram_server_conversation.cpp
+++ b/src/mongo/db/auth/sasl_scram_server_conversation.cpp
@@ -235,7 +235,11 @@ StatusWith<std::tuple<bool, std::string>> SaslSCRAMServerMechanism<Policy>::_fir
     const int nonceLenQWords = 3;
     uint64_t binaryNonce[nonceLenQWords];
 
-    SecureRandom().fill(binaryNonce, sizeof(binaryNonce));
+    std::unique_ptr<SecureRandom> sr(SecureRandom::create());
+
+    binaryNonce[0] = sr->nextInt64();
+    binaryNonce[1] = sr->nextInt64();
+    binaryNonce[2] = sr->nextInt64();
 
     _nonce =
         clientNonce + base64::encode(reinterpret_cast<char*>(binaryNonce), sizeof(binaryNonce));