From 3856507ff0e5fad0c9db4c1ea97a5f23ff344104 Mon Sep 17 00:00:00 2001
From: dhruv <856960+dhruv@users.noreply.github.com>
Date: Wed, 3 Nov 2021 10:10:10 -0700
Subject: [PATCH] Fuzz tests for CKey->EllSwift

---
 src/test/fuzz/key.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/test/fuzz/key.cpp b/src/test/fuzz/key.cpp
index a76901e473..33965cf5df 100644
--- a/src/test/fuzz/key.cpp
+++ b/src/test/fuzz/key.cpp
@@ -16,9 +16,11 @@
 #include <script/signingprovider.h>
 #include <script/standard.h>
 #include <streams.h>
+#include <test/fuzz/FuzzedDataProvider.h>
 #include <test/fuzz/fuzz.h>
 #include <util/strencodings.h>
 
+#include <array>
 #include <cassert>
 #include <cstdint>
 #include <numeric>
@@ -304,3 +306,14 @@ FUZZ_TARGET_INIT(key, initialize_key)
         }
     }
 }
+
+FUZZ_TARGET_INIT(ellswift, initialize_key)
+{
+    FuzzedDataProvider fdp{buffer.data(), buffer.size()};
+    auto key_bytes = fdp.ConsumeBytes<uint8_t>(32);
+    key_bytes.resize(32);
+    CKey key;
+    key.Set(key_bytes.begin(), key_bytes.end(), fdp.ConsumeBool());
+
+    (void)key.EllSwiftEncode();
+}