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-rw-r--r--src/test/fuzz/crypto_aes256.cpp30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/fuzz/crypto_aes256.cpp b/src/test/fuzz/crypto_aes256.cpp
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+++ b/src/test/fuzz/crypto_aes256.cpp
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+// 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 <crypto/aes.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.h>
+#include <test/fuzz/util.h>
+
+#include <cassert>
+#include <cstdint>
+#include <vector>
+
+void test_one_input(const std::vector<uint8_t>& buffer)
+{
+ FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
+ const std::vector<uint8_t> key = ConsumeFixedLengthByteVector(fuzzed_data_provider, AES256_KEYSIZE);
+
+ AES256Encrypt encrypt{key.data()};
+ AES256Decrypt decrypt{key.data()};
+
+ while (fuzzed_data_provider.ConsumeBool()) {
+ const std::vector<uint8_t> plaintext = ConsumeFixedLengthByteVector(fuzzed_data_provider, AES_BLOCKSIZE);
+ std::vector<uint8_t> ciphertext(AES_BLOCKSIZE);
+ encrypt.Encrypt(ciphertext.data(), plaintext.data());
+ std::vector<uint8_t> decrypted_plaintext(AES_BLOCKSIZE);
+ decrypt.Decrypt(decrypted_plaintext.data(), ciphertext.data());
+ assert(decrypted_plaintext == plaintext);
+ }
+}