Saving Crypto++ objects to std::vector

Question

I want to save Crypto++ keys to std::vector. Unfortunately there is only CryptoPP::StringSink, that takes std::string refer

Answer 1

Working implementation of VectorSink

// Written and placed in the public domain by rrmmnn
// Copyright assigned to the Crypto++ project.

namespace CryptoPP {

class VectorSink : public Bufferless<Sink> {
public:

  VectorSink(std::vector<uint8_t>& out)
    : _out(&out) {
  }

  size_t Put2(const byte *inString, size_t length, int /*messageEnd*/, bool /*blocking*/) {
    _out->insert(_out->end(), inString, inString + length);
    return 0;
  }

private:  
  std::vector<uint8_t>* _out;
};

}