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https://github.com/vicliu624/trail-mate.git
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49 lines
2.3 KiB
C++
49 lines
2.3 KiB
C++
#include "chat/infra/meshcore/crypto/ed25519/ed_25519.h"
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#include "chat/ports/device_author.h"
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#include "platform/esp/arduino_common/chat/infra/lxmf/lxmf_identity.h"
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#include <array>
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#include <cassert>
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#include <cstdio>
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static void hex(const uint8_t* bytes, size_t size)
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{
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for (size_t index = 0; index < size; ++index) std::printf("%02x", bytes[index]);
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}
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int main()
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{
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static_assert(sizeof(chat::lxmf::LxmfIdentity) == 200, "Author generation added RAM");
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std::array<uint8_t, 16> session;
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std::array<uint8_t, 32> nonce, seed;
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std::array<uint8_t, 64> public_key, private_key, signature;
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std::array<uint8_t, 160> message;
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session.fill(1);
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nonce.fill(2);
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public_key.fill(3);
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for (size_t index = 0; index < seed.size(); ++index) seed[index] = static_cast<uint8_t>(index);
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ed25519_create_keypair(public_key.data() + 32, private_key.data(), seed.data());
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size_t size = 0;
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message.fill(0xaa);
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assert(!chat::deviceAuthorProofMessage(session.data(), nonce.data(), public_key.data(), 7, message.data(), 1, size));
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assert(size == 0 && message[0] == 0xaa);
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assert(!chat::deviceAuthorProofMessage(message.data(), nonce.data(), public_key.data(), 7, message.data(), message.size(), size));
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assert(!chat::deviceAuthorProofMessage(session.data(), nonce.data(), public_key.data(), 0, message.data(), message.size(), size));
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for (uint32_t generation : std::array<uint32_t, 8>{1, 127, 128, 255, 256, 65535, 65536, UINT32_MAX})
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{
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assert(chat::deviceAuthorProofMessage(session.data(), nonce.data(), public_key.data(), generation, message.data(), message.size(), size));
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assert(size <= 160);
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}
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assert(chat::deviceAuthorProofMessage(session.data(), nonce.data(), public_key.data(), 7, message.data(), message.size(), size));
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ed25519_sign(signature.data(), message.data(), size, public_key.data() + 32, private_key.data());
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assert(ed25519_verify(signature.data(), message.data(), size, public_key.data() + 32));
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message[30] ^= 1;
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assert(!ed25519_verify(signature.data(), message.data(), size, public_key.data() + 32));
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message[30] ^= 1;
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std::printf("{\"publicKey\":\"");
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hex(public_key.data(), public_key.size());
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std::printf("\",\"message\":\"");
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hex(message.data(), size);
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std::printf("\",\"signature\":\"");
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hex(signature.data(), signature.size());
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std::printf("\"}\n");
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}
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