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Introduce Block::Encryptor<> CRTP base class.

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Inherit DesEncryptor from it.
This commit is contained in:
hashlag
2026-01-31 18:12:43 +03:00
parent ba70abd2af
commit 4cf79b61ad
3 changed files with 86 additions and 1 deletions
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43
ChaosTests/Cipher/DesCryptTests.cpp
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@@ -1,8 +1,10 @@
#include <gtest/gtest.h>
#include "Cipher/Block/Des/DesCrypt.hpp"
#include "Cipher/Block/Encryptor.hpp"
using namespace Chaos::Cipher::Block::Des;
using namespace Chaos::Cipher::Block;
TEST(DesCryptTests, KeyScheduleTest)
{
@@ -494,3 +496,44 @@ TEST(DesCryptTests, OutIteratorUsageDecryptTest)
ASSERT_EQ(8, incrementCalls);
}
}
template<typename Impl, typename InputIt>
static std::array<uint8_t, 8> EncryptThroughBase(Encryptor<Impl> & enc,
InputIt begin, InputIt end)
{
std::array<uint8_t, 8> result;
enc.EncryptBlock(result.begin(), begin, end);
return result;
}
TEST(DesCryptTests, EncryptThroughBaseTest)
{
std::array<uint8_t, 8> key = { 0x13, 0x34, 0x57, 0x79, 0x9b, 0xbc, 0xdf, 0xf1 };
std::array<uint8_t, 8> data = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef };
std::array<uint8_t, 8> expected = { 0x85, 0xe8, 0x13, 0x54, 0x0f, 0x0a, 0xb4, 0x05 };
DesCrypt::Key desKey(key.begin(), key.end());
DesCrypt::DesEncryptor enc(desKey);
ASSERT_EQ(expected, EncryptThroughBase(enc, data.begin(), data.end()));
}
template<typename Impl>
static uint64_t EncryptUInt64BlockThroughBase(Encryptor<Impl> & enc, uint64_t block)
{
return enc.EncryptBlock(block);
}
TEST(DesCryptTests, EncryptUInt64BlockThroughBaseTest)
{
std::array<uint8_t, 8> key = { 0x13, 0x34, 0x57, 0x79, 0x9b, 0xbc, 0xdf, 0xf1 };
uint64_t data = 0x0123456789abcdef;
uint64_t expected = 0x85e813540f0ab405;
DesCrypt::Key desKey(key.begin(), key.end());
DesCrypt::DesEncryptor enc(desKey);
ASSERT_EQ(expected, EncryptUInt64BlockThroughBase(enc, data));
}