Green Sky
227425b90e
git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
#include "crypto_core.h"
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#include <gtest/gtest.h>
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#include <algorithm>
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#include <array>
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#include <vector>
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#include "util.h"
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namespace {
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using HmacKey = std::array<uint8_t, CRYPTO_HMAC_KEY_SIZE>;
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using Hmac = std::array<uint8_t, CRYPTO_HMAC_SIZE>;
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using ExtPublicKey = std::array<uint8_t, EXT_PUBLIC_KEY_SIZE>;
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using ExtSecretKey = std::array<uint8_t, EXT_SECRET_KEY_SIZE>;
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using Signature = std::array<uint8_t, CRYPTO_SIGNATURE_SIZE>;
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using Nonce = std::array<uint8_t, CRYPTO_NONCE_SIZE>;
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TEST(CryptoCore, IncrementNonce)
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{
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Nonce nonce{};
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increment_nonce(nonce.data());
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EXPECT_EQ(
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nonce, (Nonce{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}}));
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for (int i = 0; i < 0x1F4; ++i) {
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increment_nonce(nonce.data());
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}
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EXPECT_EQ(nonce,
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(Nonce{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01, 0xF5}}));
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}
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TEST(CryptoCore, IncrementNonceNumber)
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{
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Nonce nonce{};
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increment_nonce_number(nonce.data(), 0x1F5);
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EXPECT_EQ(nonce,
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(Nonce{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01, 0xF5}}));
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increment_nonce_number(nonce.data(), 0x1F5);
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EXPECT_EQ(nonce,
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(Nonce{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x03, 0xEA}}));
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increment_nonce_number(nonce.data(), 0x12345678);
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EXPECT_EQ(nonce,
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(Nonce{
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{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x12, 0x34, 0x5A, 0x62}}));
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}
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TEST(CryptoCore, Signatures)
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{
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const Random *rng = system_random();
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ASSERT_NE(rng, nullptr);
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ExtPublicKey pk;
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ExtSecretKey sk;
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EXPECT_TRUE(create_extended_keypair(pk.data(), sk.data()));
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std::vector<uint8_t> message;
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// Try a few different sizes, including empty 0 length message.
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for (uint8_t i = 0; i < 100; ++i) {
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Signature signature;
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EXPECT_TRUE(crypto_signature_create(
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signature.data(), message.data(), message.size(), get_sig_sk(sk.data())));
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EXPECT_TRUE(crypto_signature_verify(
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signature.data(), message.data(), message.size(), get_sig_pk(pk.data())));
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message.push_back(random_u08(rng));
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}
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}
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TEST(CryptoCore, Hmac)
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{
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const Random *rng = system_random();
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ASSERT_NE(rng, nullptr);
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HmacKey sk;
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new_hmac_key(rng, sk.data());
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std::vector<uint8_t> message;
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// Try a few different sizes, including empty 0 length message.
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for (uint8_t i = 0; i < 100; ++i) {
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Hmac auth;
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crypto_hmac(auth.data(), sk.data(), message.data(), message.size());
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EXPECT_TRUE(crypto_hmac_verify(auth.data(), sk.data(), message.data(), message.size()));
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message.push_back(random_u08(rng));
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}
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}
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} // namespace
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