From f55c0a210c826a449c79eacc674221ee20c62d9e Mon Sep 17 00:00:00 2001
From: Max Wittal <max.wittal@mwittal.de>
Date: Wed, 15 Nov 2023 17:37:57 +0700
Subject: [PATCH] hash_t::random() clear random bytes buffer after using it

---
 src/hash_t.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/hash_t.cpp b/src/hash_t.cpp
index d2cc12cda..60270a111 100644
--- a/src/hash_t.cpp
+++ b/src/hash_t.cpp
@@ -28,7 +28,10 @@ hash_t hash_t::random()
 {
 	std::vector<uint8_t> seed(4096);
 	::randombytes_buf(seed.data(), seed.size());
-	return hash_t(seed);
+
+	const hash_t out(seed);
+	::memset(seed.data(), 0, seed.size());		// clear memory
+	return out;
 }