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Add Arc4CryptTests, DecryptOutIteratorUsageTest.

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Harden against past-the-end write.
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hashlag
2026-02-04 01:01:54 +03:00
parent 2d64389d66
commit 1bf91a90d0
1 changed files with 55 additions and 0 deletions
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55
ChaosTests/Cipher/Arc4CryptTests.cpp
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@@ -170,3 +170,58 @@ TEST(Arc4CryptTests, EncryptOutIteratorUsageTest)
ASSERT_EQ(expected, out);
}
}
TEST(Arc4CryptTests, DecryptOutIteratorUsageTest)
{
const std::array<uint8_t, 14> data = { 0x45, 0xA0, 0x1F, 0x64, 0x5F, 0xC3, 0x5B,
0x38, 0x35, 0x52, 0x54, 0x4B, 0x9B, 0xF5 };
const std::vector<uint8_t> key = StrToU8Vec("Secret");
{
Arc4Crypt crypt(key.begin(), key.end());
std::array<uint8_t, 14> out;
out.fill(0);
std::array<uint8_t, 14> expected =
{
'A', 't', 't', 'a', 'c', 'k', ' ', 'a', 't', ' ', 'd', 'a',
0x00, 0x00
};
crypt.Decrypt(out.begin(), data.begin(), 12);
ASSERT_EQ(expected, out);
}
{
Arc4Crypt crypt(key.begin(), key.end());
std::array<uint8_t, 14> out;
out.fill(0);
std::array<uint8_t, 14> expected =
{
'A', 't', 't', 'a', 'c', 'k', ' ',
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
crypt.Decrypt(out.begin(), data.begin(), 7);
ASSERT_EQ(expected, out);
}
{
Arc4Crypt crypt(key.begin(), key.end());
std::array<uint8_t, 14> out;
out.fill(0);
std::array<uint8_t, 14> expected;
expected.fill(0);
crypt.Decrypt(out.begin(), data.begin(), 0);
ASSERT_EQ(expected, out);
}
}