eddsa_key_pair.h

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the Apache 2.0 License.
#pragma once
 
#include "ccf/crypto/curve.h"
#include "ccf/crypto/eddsa_public_key.h"
#include "ccf/crypto/jwk.h"
#include "ccf/crypto/pem.h"
#include "ccf/crypto/san.h"
 
#include <cstdint>
#include <optional>
#include <string>
#include <vector>
 
namespace ccf::crypto
{
  class EdDSAKeyPair
  {
  public:
    virtual ~EdDSAKeyPair() = default;
 
    [[nodiscard]] virtual Pem private_key_pem() const = 0;
 
    [[nodiscard]] virtual Pem public_key_pem() const = 0;
 
    [[nodiscard]] virtual std::vector<uint8_t> sign(
      std::span<const uint8_t> d) const = 0;
 
    virtual bool verify(
      const uint8_t* contents,
      size_t contents_size,
      const uint8_t* signature,
      size_t signature_size) = 0;
 
    virtual bool verify(
      const std::vector<uint8_t>& contents,
      const std::vector<uint8_t>& signature)
    {
      return verify(
        contents.data(), contents.size(), signature.data(), signature.size());
    }
 
    [[nodiscard]] virtual CurveID get_curve_id() const = 0;
 
    [[nodiscard]] virtual JsonWebKeyEdDSAPrivate private_key_jwk_eddsa(
      const std::optional<std::string>& kid = std::nullopt) const = 0;
  };
 
  using EdDSAPublicKeyPtr = std::shared_ptr<EdDSAPublicKey>;
  using EdDSAKeyPairPtr = std::shared_ptr<EdDSAKeyPair>;
 
  EdDSAPublicKeyPtr make_eddsa_public_key(const Pem& pem);
 
  EdDSAPublicKeyPtr make_eddsa_public_key(const JsonWebKeyEdDSAPublic& jwk);
 
  EdDSAKeyPairPtr make_eddsa_key_pair(CurveID curve_id = CurveID::CURVE25519);
 
  EdDSAKeyPairPtr make_eddsa_key_pair(const Pem& pem);
 
  EdDSAKeyPairPtr make_eddsa_key_pair(const JsonWebKeyEdDSAPrivate& jwk);
}