Signature.h

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/*
 *  Copyright (c) 2018-present, Facebook, Inc.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree.
 */

#pragma once

#include <fizz/record/Types.h>
#include <folly/Range.h>
#include <folly/ssl/OpenSSLPtrTypes.h>

namespace fizz {

enum class KeyType { RSA, P256, P384, P521 };

template <KeyType T>
class OpenSSLSignature {
 public:
  void setKey(folly::ssl::EvpPkeyUniquePtr pkey);

  template <SignatureScheme Scheme>
  std::unique_ptr<folly::IOBuf> sign(folly::ByteRange data) const;

  template <SignatureScheme Scheme>
  void verify(folly::ByteRange data, folly::ByteRange signature) const;

 private:
  folly::ssl::EvpPkeyUniquePtr pkey_;
};
} // namespace fizz

#include <fizz/crypto/signature/Signature-inl.h>