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Add Arc4CryptTests, EncryptOutIteratorUsageTest.

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Harden against past-the-end write.
This commit is contained in:
hashlag
2026-02-04 00:43:40 +03:00
parent ccdf14d31a
commit 2d64389d66
1 changed files with 63 additions and 0 deletions
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63
ChaosTests/Cipher/Arc4CryptTests.cpp
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@@ -107,3 +107,66 @@ TEST(Arc4CryptTests, RekeyTest)
ciphertext);
}
}
TEST(Arc4CryptTests, EncryptOutIteratorUsageTest)
{
const std::vector<uint8_t> data = StrToU8Vec("The quick brown fox jumps over the lazy dog.");
{
std::array<uint8_t, 5> key = { 0x01, 0x02, 0x03, 0x04, 0x05 };
Arc4Crypt crypt(key.begin(), key.end());
std::array<uint8_t, 44> out;
out.fill(0);
std::array<uint8_t, 44> expected =
{
0xe6, 0x51, 0x06, 0x25, 0x81, 0x48, 0xa9, 0x44, 0xa7, 0xe3, 0x30,
0x38, 0x65, 0x66, 0x76, 0x88, 0x0f, 0xed, 0xec, 0x6f, 0x72, 0x89,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
crypt.Encrypt(out.begin(), data.begin(), 22);
ASSERT_EQ(expected, out);
}
{
std::array<uint8_t, 5> key = { 0x01, 0x02, 0x03, 0x04, 0x05 };
Arc4Crypt crypt(key.begin(), key.end());
std::array<uint8_t, 44> out;
out.fill(0);
std::array<uint8_t, 44> expected =
{
0xe6, 0x51, 0x06, 0x25, 0x81, 0x48, 0xa9, 0x44, 0xa7, 0xe3, 0x30,
0x38, 0x65, 0x66, 0x76, 0x88, 0x0f, 0xed, 0xec, 0x6f, 0x72, 0x89,
0xef, 0xa5, 0xfa, 0xe4, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
crypt.Encrypt(out.begin(), data.begin(), 27);
ASSERT_EQ(expected, out);
}
{
std::array<uint8_t, 5> key = { 0x01, 0x02, 0x03, 0x04, 0x05 };
Arc4Crypt crypt(key.begin(), key.end());
std::array<uint8_t, 44> out;
out.fill(0);
std::array<uint8_t, 44> expected;
expected.fill(0);
crypt.Encrypt(out.begin(), data.begin(), 0);
ASSERT_EQ(expected, out);
}
}