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big merge

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This commit is contained in:
Philippe G
2021-12-18 21:04:23 -08:00
parent 955692f8ad
commit 898998efb0
583 changed files with 84472 additions and 1965 deletions
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41
components/spotify/cspot/src/AudioChunk.cpp Normal file
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#include "AudioChunk.h"
std::vector<uint8_t> audioAESIV({0x72, 0xe0, 0x67, 0xfb, 0xdd, 0xcb, 0xcf, 0x77, 0xeb, 0xe8, 0xbc, 0x64, 0x3f, 0x63, 0x0d, 0x93});
AudioChunk::AudioChunk(uint16_t seqId, std::vector<uint8_t> &audioKey, uint32_t startPosition, uint32_t predictedEndPosition)
{
this->crypto = std::make_unique<Crypto>();
this->seqId = seqId;
this->audioKey = audioKey;
this->startPosition = startPosition;
this->endPosition = predictedEndPosition;
this->decryptedData = std::vector<uint8_t>();
this->isHeaderFileSizeLoadedSemaphore = std::make_unique<WrappedSemaphore>(2);
this->isLoadedSemaphore = std::make_unique<WrappedSemaphore>(2);
}
AudioChunk::~AudioChunk()
{
}
void AudioChunk::appendData(std::vector<uint8_t> &data)
{
this->decryptedData.insert(this->decryptedData.end(), data.begin(), data.end());
}
void AudioChunk::decrypt()
{
// calculate the IV for right position
auto calculatedIV = this->getIVSum(startPosition / 16);
crypto->aesCTRXcrypt(this->audioKey, calculatedIV, decryptedData);
this->startPosition = this->endPosition - this->decryptedData.size();
this->isLoaded = true;
}
// Basically just big num addition
std::vector<uint8_t> AudioChunk::getIVSum(uint32_t n)
{
return bigNumAdd(audioAESIV, n);
}