crypto/ec_signature_creator_impl.h

   1 // Copyright 2012 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CRYPTO_EC_SIGNATURE_CREATOR_IMPL_H_
   6 #define CRYPTO_EC_SIGNATURE_CREATOR_IMPL_H_
   7
   8 #include <stdint.h>
   9
  10 #include <vector>
  11
  12 #include "base/compiler_specific.h"
  13 #include "base/containers/span.h"
  14 #include "base/memory/raw_ptr.h"
  15 #include "crypto/ec_signature_creator.h"
  16
  17 namespace crypto {
  18
  19 class ECSignatureCreatorImpl : public ECSignatureCreator {
  20  public:
  21   explicit ECSignatureCreatorImpl(ECPrivateKey* key);
  22
  23   ECSignatureCreatorImpl(const ECSignatureCreatorImpl&) = delete;
  24   ECSignatureCreatorImpl& operator=(const ECSignatureCreatorImpl&) = delete;
  25
  26   ~ECSignatureCreatorImpl() override;
  27
  28   bool Sign(base::span<const uint8_t> data,
  29             std::vector<uint8_t>* signature) override;
  30
  31   bool DecodeSignature(const std::vector<uint8_t>& der_sig,
  32                        std::vector<uint8_t>* out_raw_sig) override;
  33
  34  private:
  35   raw_ptr<ECPrivateKey> key_;
  36 };
  37
  38 }  // namespace crypto
  39
  40 #endif  // CRYPTO_EC_SIGNATURE_CREATOR_IMPL_H_