#ifndef CRYPTO_EC_SIGNATURE_CREATOR_IMPL_H_
#define CRYPTO_EC_SIGNATURE_CREATOR_IMPL_H_
#include "base/compiler_specific.h"
#include "crypto/ec_signature_creator.h"
namespace crypto {
class ECSignatureCreatorImpl : public ECSignatureCreator {
 public:
  explicit ECSignatureCreatorImpl(ECPrivateKey* key);
  virtual ~ECSignatureCreatorImpl();
  virtual bool Sign(const uint8* data,
                    int data_len,
                    std::vector<uint8>* signature) OVERRIDE;
  virtual bool DecodeSignature(const std::vector<uint8>& der_sig,
                               std::vector<uint8>* out_raw_sig) OVERRIDE;
 private:
  ECPrivateKey* key_;
  size_t signature_len_;
  DISALLOW_COPY_AND_ASSIGN(ECSignatureCreatorImpl);
};
}  
#endif