33 lines
1.4 KiB
C++
33 lines
1.4 KiB
C++
#include "sodium/crypto_sign.h"
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#include <catch2/catch_test_macros.hpp>
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#include <protocol/protocol.hxx>
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#include <sodium.h>
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TEST_CASE("SignedMessage", "[protocol]") {
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SECTION("sodium init") REQUIRE(sodium_init() >= 0);
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unsigned char pub_key[crypto_sign_PUBLICKEYBYTES];
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unsigned char priv_key[crypto_sign_SECRETKEYBYTES];
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crypto_sign_keypair(pub_key, priv_key);
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auto msg = Protocol::SignedMessage(pub_key, priv_key, "Hello, world!");
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std::vector<uint8_t> toBeSigned;
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toBeSigned.reserve(sizeof(msg.sender_key_fingerprint) +
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msg.plaintext.size() + sizeof(msg.timestamp));
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toBeSigned.insert(toBeSigned.cend(), msg.sender_key_fingerprint,
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msg.sender_key_fingerprint +
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sizeof(msg.sender_key_fingerprint));
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toBeSigned.insert(toBeSigned.cend(), msg.plaintext.data(),
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msg.plaintext.data() + msg.plaintext.length());
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auto timestamp_bytes = reinterpret_cast<const uint8_t *>(&msg.timestamp);
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toBeSigned.insert(toBeSigned.cend(), timestamp_bytes,
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timestamp_bytes + sizeof(msg.timestamp));
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SECTION("signed message") {
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REQUIRE(crypto_sign_verify_detached(
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msg.sender_key_signature, toBeSigned.data(),
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toBeSigned.size(), pub_key) == 0);
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}
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}
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