Add ECB-mode decryptor draft implementation.
This commit is contained in:
hashlag
@@ -106,6 +106,152 @@ public:
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return written;
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}
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};
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class Decryptor
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{
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public:
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Decryptor(const typename CipherT::Key & key)
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: Decryptor_(key)
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, BlockBytesPacked_(0)
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, PreviousBlockSaved_(false)
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{ }
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static constexpr uint64_t PredictMaxUpdateOutput(uint64_t in)
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{
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return in + CipherT::BlockSize - 1;
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}
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static constexpr uint64_t PredictMaxFinishOutput()
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{
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return CipherT::BlockSize;
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}
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template<typename OutputIt, typename InputIt>
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uint64_t Update(OutputIt outBegin, OutputIt outEnd,
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InputIt inBegin, InputIt inEnd)
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{
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return UpdateImpl(outBegin, outEnd, inBegin, inEnd);
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}
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template<typename OutputIt>
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uint64_t Finish(OutputIt outBegin, OutputIt outEnd)
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{
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if (BlockBytesPacked_ != 0)
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{
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throw Service::ChaosException("EcbMode<>::Decryptor: ciphertext size "
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"is not a multiple of the algorithm's "
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"block size");
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}
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if (!PreviousBlockSaved_)
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{
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return 0;
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}
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auto unpadResult = PadderT::ComputeUnpad(PreviousBlock_.Begin(),
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PreviousBlock_.End());
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if (!unpadResult.IsOkay_)
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{
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throw Service::ChaosException("EcbMode<>::Decryptor: invalid ciphertext");
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}
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const uint64_t lastChunkSize = CipherT::BlockSize - unpadResult.PadSize_;
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EnsureCopy(outBegin, outEnd,
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PreviousBlock_.Begin(),
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PreviousBlock_.Begin() + lastChunkSize);
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return lastChunkSize;
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}
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private:
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using BlockArray = Service::SeArray<uint8_t, CipherT::BlockSize>;
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typename CipherT::Decryptor Decryptor_;
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uint64_t BlockBytesPacked_;
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BlockArray Block_;
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BlockArray DecryptedBlock_;
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bool PreviousBlockSaved_;
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BlockArray PreviousBlock_;
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template<typename OutputIt, typename InputIt>
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static OutputIt EnsureCopy(OutputIt outBegin, OutputIt outEnd,
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InputIt inBegin, InputIt inEnd)
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{
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OutputIt out = outBegin;
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InputIt in = inBegin;
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for (; out != outEnd && in != inEnd; ++out, ++in)
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{
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*out = *in;
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}
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if (out == outEnd && in != inEnd)
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{
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throw Service::ChaosException("EcbMode<>::Decryptor: insufficient output "
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"buffer size");
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}
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return out;
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}
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template<typename OutputIt>
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struct DelayedFlushResult
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{
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OutputIt Next_;
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uint64_t Written_;
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};
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template<typename OutputIt>
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DelayedFlushResult<OutputIt> DelayedFlush(OutputIt outBegin, OutputIt outEnd)
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{
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if (PreviousBlockSaved_)
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{
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OutputIt result = EnsureCopy(outBegin, outEnd,
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PreviousBlock_.Begin(), PreviousBlock_.End());
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PreviousBlock_ = DecryptedBlock_;
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return { .Next_ = result, .Written_ = CipherT::BlockSize };
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}
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else
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{
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PreviousBlock_ = DecryptedBlock_;
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PreviousBlockSaved_ = true;
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return { .Next_ = outBegin, .Written_ = 0 };
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}
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}
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template<typename OutputIt, typename InputIt>
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uint64_t UpdateImpl(OutputIt outBegin, OutputIt outEnd,
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InputIt inBegin, InputIt inEnd)
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{
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uint64_t written = 0;
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OutputIt out = outBegin;
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for (InputIt in = inBegin; in != inEnd; ++in)
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{
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Block_[BlockBytesPacked_++] = *in;
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if (BlockBytesPacked_ == Block_.Size())
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{
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BlockBytesPacked_ = 0;
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Decryptor_.DecryptBlock(DecryptedBlock_.Begin(), DecryptedBlock_.End(),
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Block_.Begin(), Block_.End());
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auto result = DelayedFlush(out, outEnd);
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out = result.Next_;
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written += result.Written_;
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}
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}
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return written;
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}
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};
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};
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} // namespace Chaos::Cipher::Block::Mode
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@@ -437,3 +437,532 @@ TEST(EcbModeTests, EncryptInsufficientBufferTest)
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Chaos::Service::ChaosException);
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}
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}
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TEST(EcbModeTests, DecryptTest)
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{
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struct Helper
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{
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std::vector<uint8_t> operator()(const std::vector<uint8_t> & data,
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const std::vector<uint8_t> & key)
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{
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Des::DesCrypt::Key desKey(key.begin(), key.end());
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EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor dec(desKey);
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std::vector<uint8_t> out;
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out.resize(dec.PredictMaxUpdateOutput(data.size()) +
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dec.PredictMaxFinishOutput());
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uint64_t written = dec.Update(out.begin(), out.end(), data.begin(), data.end());
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written += dec.Finish(out.begin() + written, out.end());
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out.resize(written);
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return out;
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}
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};
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Helper ecbDec;
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{
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std::vector<uint8_t> data = { };
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std::vector<uint8_t> key = { 0xaa, 0xbb, 0xaa, 0xbb, 0xaa, 0xbb, 0xaa, 0xbb };
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std::vector<uint8_t> expected = { };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0xef, 0xe2, 0x4d, 0xe9, 0x9d, 0xe7, 0x9b, 0xbf };
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std::vector<uint8_t> key = { 0xaa, 0xbb, 0xaa, 0xbb, 0xaa, 0xbb, 0xaa, 0xbb };
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std::vector<uint8_t> expected = { };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0x84, 0x39, 0xcd, 0xe5, 0x1f, 0x3d,
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0x2a, 0x11, 0x63, 0xc3, 0x56, 0x28,
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0xf5, 0x89, 0xdb, 0xc4, 0xa6, 0xca,
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0x52, 0xb3, 0xa8, 0xce, 0x64, 0x2d };
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std::vector<uint8_t> key = { 0x0c, 0xfd, 0x01, 0xa3, 0x60, 0xd0, 0x15, 0xa6 };
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const char * str = "smoke and mirrors";
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std::vector<uint8_t> expected(str, str + strlen(str));
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0x64, 0x32, 0x13, 0xe7, 0x31, 0x06, 0xc6, 0x6f };
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std::vector<uint8_t> key = { 0x28, 0x1c, 0xf3, 0x11, 0xce, 0xc6, 0xc2, 0x38 };
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std::vector<uint8_t> expected = { 0x51, 0x89, 0x9f, 0x0c, 0x32, 0x9b, 0x1d };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0xee, 0x5b, 0x16, 0x33, 0xad, 0x2d, 0x32, 0x42,
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0xdc, 0x0d, 0x9f, 0x87, 0x55, 0x5b, 0xb1, 0x53 };
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std::vector<uint8_t> key = { 0x28, 0x1c, 0xf3, 0x11, 0xce, 0xc6, 0xc2, 0x38 };
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std::vector<uint8_t> expected = { 0x32, 0x00, 0x93, 0x61, 0xc6, 0x9a, 0x25, 0x25, 0x2e };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0x55, 0xc1, 0x6f, 0xbb, 0xb0, 0xf3, 0xd3, 0xa6, 0xb7, 0xe6, 0x12, 0xb4,
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0x49, 0x86, 0x64, 0x07, 0x82, 0xbb, 0x45, 0x46, 0x70, 0xae, 0x64, 0x5f };
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std::vector<uint8_t> key = { 0x44, 0x0a, 0xb1, 0x6d, 0xe0, 0x67, 0x28, 0x9d };
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std::vector<uint8_t> expected = { 0x4d, 0x0d, 0xfb, 0x59, 0xe6, 0xc4, 0xf2, 0xe7,
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0xab, 0x46, 0x4f, 0x59, 0x48, 0x11, 0x1b, 0x4f };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0xf4, 0x46, 0x31, 0xc5, 0xe8, 0xff, 0xdc, 0xac, 0x6c, 0x0e, 0xe8, 0x0e,
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0x9f, 0xc2, 0xeb, 0xdf, 0xca, 0xac, 0xc3, 0xc0, 0xea, 0xba, 0x6e, 0xc2,
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0x33, 0x5d, 0x16, 0x39, 0x74, 0xd1, 0x1d, 0xe1 };
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std::vector<uint8_t> key = { 0xe4, 0x60, 0xb9, 0xfa, 0x4b, 0x79, 0x6a, 0xf3 };
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std::vector<uint8_t> expected = { 0x8a, 0xe3, 0x85, 0xe0, 0x59, 0xe7, 0xee, 0xce, 0xc0, 0xbf, 0x50, 0x53,
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0x95, 0xbf, 0x4b, 0xdd, 0x3b, 0x02, 0x2f, 0xcb, 0xd0, 0xd3, 0x62, 0x60 };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0x53, 0x06, 0x73, 0x79, 0xb8, 0xd7, 0xbe, 0x5d, 0x6e, 0xa0,
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0x1f, 0x03, 0x46, 0x07, 0xd6, 0x48, 0x65, 0x4f, 0x9a, 0x8f,
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0x1a, 0xe4, 0xa7, 0x7f, 0x13, 0xc9, 0x06, 0x8c, 0x57, 0xbd,
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0x79, 0x5e, 0x3d, 0x21, 0x02, 0x13, 0x5f, 0xae, 0xc9, 0x45 };
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std::vector<uint8_t> key = { 0xe9, 0xeb, 0x1f, 0xfa, 0x39, 0x95, 0xf0, 0xb9 };
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std::vector<uint8_t> expected = { 0x96, 0x9f, 0x42, 0xd3, 0x47, 0x10, 0x4d, 0xb4, 0x89, 0x54,
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0x5c, 0xad, 0x0a, 0xb9, 0xac, 0x4e, 0xbf, 0x00, 0x1a, 0x47,
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0x3d, 0xd1, 0xe7, 0xb3, 0x70, 0xb7, 0x4e, 0xd9, 0x73, 0x7d,
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0xb3, 0x24 };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0xc2, 0x88, 0xe5, 0x27, 0xd1, 0xb4, 0xa5, 0xf9, 0xb6, 0x02,
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0x43, 0x3e, 0xae, 0x59, 0x43, 0xd4, 0xe5, 0x87, 0x20, 0xfe,
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0xd0, 0x34, 0x28, 0x6a, 0xef, 0xb1, 0x9e, 0x5a, 0xdf, 0xfb,
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0xf7, 0x94, 0xb4, 0x0c, 0xc2, 0x92, 0x4e, 0x73, 0xda, 0xca };
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std::vector<uint8_t> key = { 0x3b, 0x4d, 0xdd, 0x0a, 0x28, 0xf5, 0x96, 0x36 };
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std::vector<uint8_t> expected = { 0xde, 0xbf, 0x28, 0x16, 0x0d, 0xfe, 0x64, 0xbf, 0xc6, 0xfd,
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0x2d, 0x32, 0x45, 0xb0, 0xb7, 0x53, 0xde, 0x5a, 0x8e, 0x45,
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0x87, 0xb3, 0x94, 0x0b, 0xdb, 0x9d, 0x23, 0x33, 0xd7, 0x8e,
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0x63, 0x2d, 0x56 };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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{
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std::vector<uint8_t> data = { 0xf7, 0x44, 0x18, 0x9b, 0x9d, 0x8d, 0xe1, 0x14, 0xcd, 0x0a, 0xdb, 0xbd,
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0x5b, 0xd1, 0x42, 0x6e, 0x17, 0x73, 0x60, 0x9e, 0x14, 0xad, 0xd2, 0x4c,
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0x33, 0x30, 0xdd, 0xb9, 0xf3, 0x46, 0xd0, 0x8d, 0xa6, 0x37, 0x49, 0xd7,
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0x90, 0x23, 0x05, 0xcc, 0x56, 0xde, 0x1f, 0xde, 0x39, 0x6c, 0x04, 0x97,
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0x1d, 0xaf, 0xb5, 0xff, 0xab, 0x47, 0xc8, 0x51 };
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std::vector<uint8_t> key = { 0x3c, 0xd0, 0xab, 0xd3, 0xb4, 0xc3, 0xac, 0x53 };
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std::vector<uint8_t> expected = { 0x7e, 0x2c, 0x68, 0x20, 0x22, 0xb1, 0xdd, 0x6d, 0x6e, 0x8b, 0x8b,
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0x30, 0x99, 0xaf, 0x79, 0x2f, 0x6c, 0x95, 0x11, 0x8d, 0xd4, 0x2f,
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0xcf, 0x1d, 0xe6, 0xa0, 0xc7, 0x73, 0x48, 0xb1, 0x65, 0xa9, 0xf6,
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0xc5, 0x1c, 0x42, 0x2d, 0xdd, 0xcf, 0xf5, 0xd4, 0xee, 0xa5, 0xa7,
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0x69, 0xf9, 0x27, 0x93, 0xce };
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ASSERT_EQ(expected, ecbDec(data, key));
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}
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}
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TEST(EcbModeTests, DecryptManyUpdatesTest)
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{
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struct Helper
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{
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Helper(const std::vector<uint8_t> & key)
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: Key_(key.begin(), key.end())
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, Dec_(Key_)
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, Written_(0)
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{ }
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void Update(const std::vector<uint8_t> & data)
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{
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Out_.resize(Out_.size() + Dec_.PredictMaxUpdateOutput(data.size()));
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Written_ += Dec_.Update(Out_.begin() + Written_, Out_.end(),
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data.begin(), data.end());
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}
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std::vector<uint8_t> Finish()
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{
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Out_.resize(Out_.size() + Dec_.PredictMaxFinishOutput());
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Written_ += Dec_.Finish(Out_.begin() + Written_, Out_.end());
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Out_.resize(Written_);
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return Out_;
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}
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Des::DesCrypt::Key Key_;
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EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor Dec_;
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std::vector<uint8_t> Out_;
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uint64_t Written_;
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};
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{
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std::vector<uint8_t> key = { 0xab, 0x39, 0x20, 0xea, 0xaa, 0x95, 0x1c, 0x90 };
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std::vector<uint8_t> data1 = { 0xf4, 0xde, 0x9a, 0xe4, 0x78, 0x8c, 0xf2, 0xe6, 0x75 };
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std::vector<uint8_t> data2 = { 0x34, 0xe7, 0x9f, 0xe8, 0x16, 0x09, 0x12, 0x55 };
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std::vector<uint8_t> data3 = { 0x75, 0x5b, 0xe4, 0x21, 0x65,
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0x98, 0x0e, 0xc6, 0x7a, 0x62, 0xf6, 0x88, 0xcd, 0x3e, 0x83 };
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std::vector<uint8_t> expected = { 0x97, 0x65, 0xe2, 0xb1, 0xae, 0x3e, 0x55, 0xff, 0x1d,
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0xac, 0x8a, 0xa6, 0xac, 0xa5, 0x9a, 0xf9, 0xb6,
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0x3c, 0xba, 0x95, 0x5e, 0x78, 0x29, 0x22, 0x7c, 0x12, 0x7e, 0x4c };
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Helper ecbDec(key);
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ecbDec.Update(data1);
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ecbDec.Update(data2);
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ecbDec.Update(data3);
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ASSERT_EQ(expected, ecbDec.Finish());
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}
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{
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std::vector<uint8_t> key = { 0xd5, 0xc1, 0x3a, 0xcc, 0x6f, 0x86, 0x1d, 0x4b };
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std::vector<uint8_t> data1 = { 0x5f, 0x18, 0x61, 0x15, 0x72, 0x75, 0x73, 0xb3 };
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std::vector<uint8_t> data2 = { 0x44, 0xa5, 0xf0, 0x46, 0xa9, 0x4b, 0x7e, 0x5e };
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std::vector<uint8_t> data3 = { 0x5b, 0x88, 0x46, 0x07, 0x5e, 0x33, 0x16, 0x01 };
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std::vector<uint8_t> data4 = { 0x69, 0x13, 0x76, 0x8b, 0x7f, 0xbc, 0xf2, 0x75 };
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std::vector<uint8_t> expected = { 0x43, 0x73, 0x1b, 0xde, 0xbd, 0xfe, 0x16, 0x58,
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0x8c, 0x16, 0x13, 0x53, 0x22, 0x66, 0xb4, 0xf2,
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0x25, 0xcf, 0xcd, 0xab, 0x7d, 0x29, 0x9a, 0xd7 };
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Helper ecbDec(key);
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ecbDec.Update(data1);
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ecbDec.Update(data2);
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ecbDec.Update(data3);
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ecbDec.Update(data4);
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ASSERT_EQ(expected, ecbDec.Finish());
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}
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{
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std::vector<uint8_t> key = { 0xc0, 0x98, 0x56, 0xb3, 0x27, 0xc9, 0x78, 0x89 };
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std::vector<uint8_t> data1 = { 0xf9 };
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std::vector<uint8_t> data2 = { 0x79 };
|
||||
std::vector<uint8_t> data3 = { 0x6d, 0x46, 0xb6, 0x4a, 0xa8, 0xaa, 0x82, 0xb9 };
|
||||
std::vector<uint8_t> data4 = { 0xca };
|
||||
std::vector<uint8_t> data5 = { 0x65, 0xe9, 0x3c, 0xa8, 0xdc };
|
||||
|
||||
std::vector<uint8_t> expected = { 0xb7, 0xb3, 0x95, 0x56, 0xc0, 0x9f, 0x74, 0xd0,
|
||||
0x49, 0xb5, 0x15 };
|
||||
|
||||
Helper ecbDec(key);
|
||||
|
||||
ecbDec.Update(data1);
|
||||
ecbDec.Update(data2);
|
||||
ecbDec.Update(data3);
|
||||
ecbDec.Update(data4);
|
||||
ecbDec.Update(data5);
|
||||
|
||||
ASSERT_EQ(expected, ecbDec.Finish());
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<uint8_t> key = { 0xcb, 0x22, 0x90, 0x27, 0x87, 0x42, 0xd1, 0x58 };
|
||||
|
||||
std::vector<uint8_t> data1 = { 0xfb, 0x9d, 0x21, 0x86, 0x9b, 0xf1, 0x79 };
|
||||
std::vector<uint8_t> data2 = { 0xeb, 0x6c, 0xcf, 0xcc, 0xe7, 0x55, 0x48, 0x05, 0x42, 0x37, 0x23 };
|
||||
std::vector<uint8_t> data3 = { 0xcc, 0xda, 0x82, 0x8f, 0xe7, 0x5a, 0x08, 0x85,
|
||||
0x00, 0x0b, 0x38, 0x5f, 0x54, 0x53, 0xf9, 0x40 };
|
||||
std::vector<uint8_t> data4 = { 0x59, 0xc7, 0xf3 };
|
||||
std::vector<uint8_t> data5 = { 0x06, 0x10, 0x10, 0xed, 0xfc };
|
||||
std::vector<uint8_t> data6 = { 0x76, 0xff, 0xe6, 0x55, 0xb0, 0xe1 };
|
||||
|
||||
std::vector<uint8_t> expected = { 0xca, 0x40, 0xeb, 0x08, 0x75, 0x62, 0x41, 0x16,
|
||||
0xa4, 0x12, 0x21, 0x3d, 0x5a, 0xf2, 0xb4, 0xa7,
|
||||
0xb5, 0xa7, 0x59, 0x51, 0xd0, 0x41, 0x21, 0xf0,
|
||||
0x2b, 0x76, 0xd8, 0xe4, 0x60, 0xb5, 0xab, 0xd8,
|
||||
0x25, 0x29, 0x94, 0x9f, 0xed, 0x1a, 0xa1, 0x57,
|
||||
0x35, 0x2c };
|
||||
|
||||
Helper ecbDec(key);
|
||||
|
||||
ecbDec.Update(data1);
|
||||
ecbDec.Update(data2);
|
||||
ecbDec.Update(data3);
|
||||
ecbDec.Update(data4);
|
||||
ecbDec.Update(data5);
|
||||
ecbDec.Update(data6);
|
||||
|
||||
ASSERT_EQ(expected, ecbDec.Finish());
|
||||
}
|
||||
}
|
||||
|
||||
TEST(EcbModeTests, DecryptLongInputTest)
|
||||
{
|
||||
struct Helper
|
||||
{
|
||||
Helper(const std::vector<uint8_t> & key)
|
||||
: Key_(key.begin(), key.end())
|
||||
, Dec_(Key_)
|
||||
, Written_(0)
|
||||
{ }
|
||||
|
||||
void Update(const std::vector<uint8_t> & data)
|
||||
{
|
||||
Out_.resize(Out_.size() + Dec_.PredictMaxUpdateOutput(data.size()));
|
||||
|
||||
Written_ += Dec_.Update(Out_.begin() + Written_, Out_.end(),
|
||||
data.begin(), data.end());
|
||||
}
|
||||
|
||||
void Update(std::vector<uint8_t>::const_iterator begin, std::vector<uint8_t>::const_iterator end)
|
||||
{
|
||||
Out_.resize(Out_.size() + Dec_.PredictMaxUpdateOutput(std::distance(begin, end)));
|
||||
Written_ += Dec_.Update(Out_.begin() + Written_, Out_.end(), begin, end);
|
||||
}
|
||||
|
||||
std::vector<uint8_t> Finish()
|
||||
{
|
||||
Out_.resize(Out_.size() + Dec_.PredictMaxFinishOutput());
|
||||
|
||||
Written_ += Dec_.Finish(Out_.begin() + Written_, Out_.end());
|
||||
Out_.resize(Written_);
|
||||
|
||||
return Out_;
|
||||
}
|
||||
|
||||
Des::DesCrypt::Key Key_;
|
||||
EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor Dec_;
|
||||
|
||||
std::vector<uint8_t> Out_;
|
||||
uint64_t Written_;
|
||||
};
|
||||
|
||||
{
|
||||
std::vector<uint8_t> key = { 0x27, 0x07, 0x7c, 0xc9, 0xd2, 0xbe, 0x76, 0x6c };
|
||||
|
||||
std::vector<uint8_t> data;
|
||||
{
|
||||
std::vector<uint8_t> block = { 0x90, 0xf0, 0x72, 0xae, 0xcc, 0x98, 0x93, 0x8d };
|
||||
|
||||
for (int i = 0; i < 256; ++i)
|
||||
{
|
||||
data.insert(data.end(), block.begin(), block.end());
|
||||
}
|
||||
|
||||
std::vector<uint8_t> lastBlock = { 0xce, 0x7c, 0x12, 0x8e, 0x8c, 0xc0, 0x88, 0x02 };
|
||||
data.insert(data.end(), lastBlock.begin(), lastBlock.end());
|
||||
}
|
||||
|
||||
std::vector<uint8_t> expected(2048, 0xab);
|
||||
|
||||
Helper ecbDec(key);
|
||||
ecbDec.Update(data);
|
||||
|
||||
ASSERT_EQ(expected, ecbDec.Finish());
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<uint8_t> key = { 0xcc, 0xc5, 0x08, 0x98, 0xe9, 0x8c, 0xeb, 0x23 };
|
||||
|
||||
std::vector<uint8_t> data;
|
||||
{
|
||||
std::vector<uint8_t> block = { 0xb7, 0x9f, 0x07, 0x2c, 0xe9, 0x54, 0x83, 0xc5 };
|
||||
|
||||
for (int i = 0; i < 2048; ++i)
|
||||
{
|
||||
data.insert(data.end(), block.begin(), block.end());
|
||||
}
|
||||
|
||||
std::vector<uint8_t> lastBlock = { 0x14, 0x59, 0x29, 0x72, 0x45, 0xb3, 0x03, 0xb3 };
|
||||
data.insert(data.end(), lastBlock.begin(), lastBlock.end());
|
||||
}
|
||||
|
||||
std::vector<uint8_t> expected(16384, 0x7a);
|
||||
|
||||
Helper ecbDec(key);
|
||||
|
||||
ecbDec.Update(data.begin(), data.begin() + 2340);
|
||||
ecbDec.Update(data.begin() + 2340, data.begin() + 3511);
|
||||
ecbDec.Update(data.begin() + 3511, data.begin() + 6436);
|
||||
ecbDec.Update(data.begin() + 6436, data.begin() + 6437);
|
||||
ecbDec.Update(data.begin() + 6437, data.begin() + 10532);
|
||||
ecbDec.Update(data.begin() + 10532, data.begin() + 11118);
|
||||
ecbDec.Update(data.begin() + 11118, data.begin() + 14628);
|
||||
ecbDec.Update(data.begin() + 14628, data.begin() + 16384);
|
||||
ecbDec.Update(data.begin() + 16384, data.end());
|
||||
|
||||
ASSERT_EQ(expected, ecbDec.Finish());
|
||||
}
|
||||
}
|
||||
|
||||
TEST(EcbModeTests, DecryptInsufficientBufferTest)
|
||||
{
|
||||
std::vector<uint8_t> key = { 0xcc, 0xc5, 0x08, 0x98, 0xe9, 0x8c, 0xeb, 0x23 };
|
||||
Des::DesCrypt::Key desKey(key.begin(), key.end());
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data = { 0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea,
|
||||
0x14, 0x59, 0x29, 0x72, 0x45, 0xb3, 0x03, 0xb3 };
|
||||
std::vector<uint8_t> out;
|
||||
|
||||
EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor dec(desKey);
|
||||
|
||||
ASSERT_THROW(dec.Update(out.begin(), out.end(), data.begin(), data.end()),
|
||||
Chaos::Service::ChaosException);
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data = { 0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea,
|
||||
0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea,
|
||||
0x14, 0x59, 0x29, 0x72, 0x45, 0xb3, 0x03, 0xb3 };
|
||||
std::vector<uint8_t> out(8, 0);
|
||||
|
||||
EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor dec(desKey);
|
||||
|
||||
ASSERT_THROW(dec.Update(out.begin(), out.end(), data.begin(), data.end()),
|
||||
Chaos::Service::ChaosException);
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data1 = { 0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea,
|
||||
0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea,
|
||||
0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea };
|
||||
std::vector<uint8_t> data2 = { 0x14, 0x59, 0x29, 0x72, 0x45, 0xb3, 0x03, 0xb3 };
|
||||
|
||||
std::vector<uint8_t> out1(16, 0);
|
||||
std::vector<uint8_t> out2(2, 0);
|
||||
|
||||
EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor dec(desKey);
|
||||
|
||||
dec.Update(out1.begin(), out1.end(), data1.begin(), data1.end());
|
||||
|
||||
ASSERT_THROW(dec.Update(out2.begin(), out2.end(), data2.begin(), data2.end()),
|
||||
Chaos::Service::ChaosException);
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data = { 0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea,
|
||||
0x62, 0x3a, 0x45, 0xdd, 0x62, 0xda, 0xb0, 0x45 };
|
||||
std::vector<uint8_t> out(8, 0);
|
||||
|
||||
EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor dec(desKey);
|
||||
|
||||
uint64_t written = dec.Update(out.begin(), out.end(), data.begin(), data.end());
|
||||
|
||||
ASSERT_THROW(written += dec.Finish(out.begin() + written, out.end()),
|
||||
Chaos::Service::ChaosException);
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data = { 0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea,
|
||||
0x65, 0x35, 0xa5, 0x01, 0x29, 0xf4, 0xfd, 0xea,
|
||||
0xbd, 0x11, 0x44, 0xf4, 0x99, 0x95, 0x53, 0xd3 };
|
||||
std::vector<uint8_t> out(17, 0);
|
||||
|
||||
EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor dec(desKey);
|
||||
|
||||
uint64_t written = dec.Update(out.begin(), out.end(), data.begin(), data.end());
|
||||
|
||||
ASSERT_THROW(written += dec.Finish(out.begin() + written, out.end()),
|
||||
Chaos::Service::ChaosException);
|
||||
}
|
||||
}
|
||||
|
||||
TEST(EcbModeTests, DecryptNotRoundSizeTest)
|
||||
{
|
||||
struct Helper
|
||||
{
|
||||
std::vector<uint8_t> operator()(const std::vector<uint8_t> & data,
|
||||
const std::vector<uint8_t> & key)
|
||||
{
|
||||
Des::DesCrypt::Key desKey(key.begin(), key.end());
|
||||
EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor dec(desKey);
|
||||
|
||||
std::vector<uint8_t> out;
|
||||
out.resize(dec.PredictMaxUpdateOutput(data.size()) +
|
||||
dec.PredictMaxFinishOutput());
|
||||
|
||||
uint64_t written = dec.Update(out.begin(), out.end(), data.begin(), data.end());
|
||||
written += dec.Finish(out.begin() + written, out.end());
|
||||
|
||||
out.resize(written);
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
Helper ecbDec;
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data = { 0x64, 0x32, 0x13, 0xe7, 0x31, 0x06, 0xc6 };
|
||||
std::vector<uint8_t> key = { 0x28, 0x1c, 0xf3, 0x11, 0xce, 0xc6, 0xc2, 0x38 };
|
||||
|
||||
ASSERT_THROW(ecbDec(data, key), Chaos::Service::ChaosException);
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data = { 0xee, 0x5b, 0x16, 0x33, 0xad, 0x2d, 0x32, 0x42,
|
||||
0xdc, 0x0d, 0x9f, 0x87 };
|
||||
std::vector<uint8_t> key = { 0x28, 0x1c, 0xf3, 0x11, 0xce, 0xc6, 0xc2, 0x38 };
|
||||
|
||||
ASSERT_THROW(ecbDec(data, key), Chaos::Service::ChaosException);
|
||||
}
|
||||
}
|
||||
|
||||
TEST(EcbModeTests, DecryptInvalidPaddingTest)
|
||||
{
|
||||
struct Helper
|
||||
{
|
||||
std::vector<uint8_t> operator()(const std::vector<uint8_t> & data,
|
||||
const std::vector<uint8_t> & key)
|
||||
{
|
||||
Des::DesCrypt::Key desKey(key.begin(), key.end());
|
||||
EcbMode<Des::DesCrypt, PadderPkcs7>::Decryptor dec(desKey);
|
||||
|
||||
std::vector<uint8_t> out;
|
||||
out.resize(dec.PredictMaxUpdateOutput(data.size()) +
|
||||
dec.PredictMaxFinishOutput());
|
||||
|
||||
uint64_t written = dec.Update(out.begin(), out.end(), data.begin(), data.end());
|
||||
written += dec.Finish(out.begin() + written, out.end());
|
||||
|
||||
out.resize(written);
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
Helper ecbDec;
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data = { 0x60, 0xa7, 0x4b, 0x8c, 0x68, 0x03, 0x70, 0x0c };
|
||||
std::vector<uint8_t> key = { 0xaa, 0xab, 0xbc, 0xcd, 0xde, 0xef, 0xf1, 0x12 };
|
||||
|
||||
ASSERT_THROW(ecbDec(data, key), Chaos::Service::ChaosException);
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<uint8_t> data = { 0xf6, 0x61, 0x7a, 0x71, 0xe8, 0xa4, 0xb9, 0x70,
|
||||
0xbe, 0xd2, 0x51, 0x7e, 0x4f, 0x39, 0xfe, 0xa2 };
|
||||
std::vector<uint8_t> key = { 0xaa, 0xab, 0xbc, 0xcd, 0xde, 0xef, 0xf1, 0x12 };
|
||||
|
||||
ASSERT_THROW(ecbDec(data, key), Chaos::Service::ChaosException);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user