key-handle-mem.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "key-handle-mem.hpp"
#include "../../encoding/buffer-stream.hpp"
#include "../transform.hpp"
#include "../transform/private-key.hpp"

namespace ndn {
namespace security {
namespace tpm {

using transform::PrivateKey;

KeyHandleMem::KeyHandleMem(shared_ptr<PrivateKey> key)
  : m_key(key)
{
  BOOST_ASSERT(key != nullptr);
}

ConstBufferPtr
KeyHandleMem::doSign(DigestAlgorithm digestAlgorithm, const uint8_t* buf, size_t size) const
{
  switch (digestAlgorithm) {
    case DigestAlgorithm::SHA256: {
      using namespace transform;

      OBufferStream sigOs;
      bufferSource(buf, size) >> signerFilter(digestAlgorithm, *m_key) >> streamSink(sigOs);
      return sigOs.buf();
    }
    default:
      return nullptr;
  }
}

ConstBufferPtr
KeyHandleMem::doDecrypt(const uint8_t* cipherText, size_t cipherTextLen) const
{
  return m_key->decrypt(cipherText, cipherTextLen);
}

ConstBufferPtr
KeyHandleMem::doDerivePublicKey() const
{
  return m_key->derivePublicKey();
}

} // namespace tpm
} // namespace security
} // namespace ndn