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-rw-r--r--src/Makefile.test.include7
-rw-r--r--src/test/fuzz/key_io.cpp48
-rwxr-xr-xtest/fuzz/test_runner.py1
3 files changed, 56 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 66b9814759..ce9aa733dc 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -36,6 +36,7 @@ FUZZ_TARGETS = \
test/fuzz/integer \
test/fuzz/inv_deserialize \
test/fuzz/key \
+ test/fuzz/key_io \
test/fuzz/key_origin_info_deserialize \
test/fuzz/locale \
test/fuzz/merkle_block_deserialize \
@@ -438,6 +439,12 @@ test_fuzz_key_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_key_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_key_SOURCES = $(FUZZ_SUITE) test/fuzz/key.cpp
+test_fuzz_key_io_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_key_io_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_key_io_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_key_io_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
+test_fuzz_key_io_SOURCES = $(FUZZ_SUITE) test/fuzz/key_io.cpp
+
test_fuzz_key_origin_info_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DKEY_ORIGIN_INFO_DESERIALIZE=1
test_fuzz_key_origin_info_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_key_origin_info_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
diff --git a/src/test/fuzz/key_io.cpp b/src/test/fuzz/key_io.cpp
new file mode 100644
index 0000000000..f44628b0f8
--- /dev/null
+++ b/src/test/fuzz/key_io.cpp
@@ -0,0 +1,48 @@
+// Copyright (c) 2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <chainparams.h>
+#include <key_io.h>
+#include <rpc/util.h>
+#include <script/signingprovider.h>
+#include <script/standard.h>
+#include <test/fuzz/fuzz.h>
+
+#include <cassert>
+#include <cstdint>
+#include <string>
+#include <vector>
+
+void initialize()
+{
+ SelectParams(CBaseChainParams::REGTEST);
+}
+
+void test_one_input(const std::vector<uint8_t>& buffer)
+{
+ const std::string random_string(buffer.begin(), buffer.end());
+
+ const CKey key = DecodeSecret(random_string);
+ if (key.IsValid()) {
+ assert(key == DecodeSecret(EncodeSecret(key)));
+ }
+
+ const CExtKey ext_key = DecodeExtKey(random_string);
+ if (ext_key.key.size() == 32) {
+ assert(ext_key == DecodeExtKey(EncodeExtKey(ext_key)));
+ }
+
+ const CExtPubKey ext_pub_key = DecodeExtPubKey(random_string);
+ if (ext_pub_key.pubkey.size() == CPubKey::COMPRESSED_SIZE) {
+ assert(ext_pub_key == DecodeExtPubKey(EncodeExtPubKey(ext_pub_key)));
+ }
+
+ const CTxDestination tx_destination = DecodeDestination(random_string);
+ (void)DescribeAddress(tx_destination);
+ (void)GetKeyForDestination(/* store */ {}, tx_destination);
+ (void)GetScriptForDestination(tx_destination);
+ (void)IsValidDestination(tx_destination);
+
+ (void)IsValidDestinationString(random_string);
+}
diff --git a/test/fuzz/test_runner.py b/test/fuzz/test_runner.py
index b25ef9c69a..25005e531a 100755
--- a/test/fuzz/test_runner.py
+++ b/test/fuzz/test_runner.py
@@ -27,6 +27,7 @@ FUZZERS_MISSING_CORPORA = [
"flat_file_pos_deserialize",
"float",
"hex",
+ "key_io",
"integer",
"key",
"key_origin_info_deserialize",