69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
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#include <blockstore/utils/Key.h>
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#include <crypto++/hex.h>
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#include <crypto++/osrng.h>
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using CryptoPP::ArraySource;
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using CryptoPP::ArraySink;
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using CryptoPP::StringSink;
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using CryptoPP::StringSource;
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using CryptoPP::HexEncoder;
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using CryptoPP::HexDecoder;
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using CryptoPP::AutoSeededRandomPool;
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using std::string;
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namespace blockstore {
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constexpr unsigned int Key::KEYLENGTH_BINARY;
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constexpr unsigned int Key::KEYLENGTH_STRING;
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Key::Key() {
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}
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Key::~Key() {
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}
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AutoSeededRandomPool &RandomPool() {
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static AutoSeededRandomPool singleton;
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return singleton;
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}
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Key Key::CreateRandomKey() {
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Key result;
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RandomPool().GenerateBlock(result._key, KEYLENGTH_BINARY);
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return result;
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}
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Key Key::FromString(const std::string &key) {
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assert(key.size() == KEYLENGTH_STRING);
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Key result;
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StringSource(key, true,
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new HexDecoder(new ArraySink(result._key, KEYLENGTH_BINARY))
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);
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return result;
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}
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string Key::AsString() const {
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string result;
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ArraySource(_key, KEYLENGTH_BINARY, true,
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new HexEncoder(new StringSink(result))
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);
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assert(result.size() == KEYLENGTH_STRING);
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return result;
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}
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const unsigned char *Key::data() const {
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return _key;
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}
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bool operator==(const Key &lhs, const Key &rhs) {
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return 0 == std::memcmp(lhs.data(), rhs.data(), Key::KEYLENGTH_BINARY);
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}
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bool operator!=(const Key &lhs, const Key &rhs) {
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return !operator==(lhs, rhs);
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}
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}
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