33 lines
844 B
C++
33 lines
844 B
C++
// Copyright (c) 2025-2026, Brandon Lehmann
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// BSD 3-Clause License (see LICENSE)
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#include "tinyaes/ecb.h"
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#include <cassert>
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#include <cstddef>
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#include <cstdint>
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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if (size < 16)
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return 0;
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// Use first 16 bytes as key, rest as plaintext (block-aligned)
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std::vector<uint8_t> key(data, data + 16);
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size_t pt_len = ((size - 16) / 16) * 16;
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if (pt_len == 0)
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return 0;
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std::vector<uint8_t> plaintext(data + 16, data + 16 + pt_len);
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std::vector<uint8_t> ct, pt;
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auto result = tinyaes::ecb_encrypt(key, plaintext, ct);
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if (result != tinyaes::Result::Success)
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return 0;
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result = tinyaes::ecb_decrypt(key, ct, pt);
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assert(result == tinyaes::Result::Success);
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assert(pt == plaintext);
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return 0;
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}
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