43 lines
1.6 KiB
C++
43 lines
1.6 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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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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auto to_be_signed = msg.serialize();
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SECTION("valid signed message") {
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REQUIRE(
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crypto_sign_verify_detached(msg.signature, to_be_signed.data(),
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to_be_signed.size(), pub_key) == 0);
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}
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SECTION("tampered invalid signed message") {
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// todo: use to msg.valid()
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SECTION("plaintext") {
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msg.plaintext = "Hello, world111111";
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to_be_signed = msg.serialize();
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REQUIRE_FALSE(crypto_sign_verify_detached(
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msg.signature, to_be_signed.data(),
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to_be_signed.size(), pub_key) == 0);
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}
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SECTION("timestamp") {
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msg.timestamp = std::chrono::system_clock::now()
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.time_since_epoch()
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.count();
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to_be_signed = msg.serialize();
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REQUIRE_FALSE(crypto_sign_verify_detached(
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msg.signature, to_be_signed.data(),
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to_be_signed.size(), pub_key) == 0);
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}
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}
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}
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