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_ 41