Line data    Source code

       1             : /**
       2             :  * Copyright Soramitsu Co., Ltd. 2018 All Rights Reserved.
       3             :  * http://soramitsu.co.jp
       4             :  *
       5             :  * Licensed under the Apache License, Version 2.0 (the "License");
       6             :  * you may not use this file except in compliance with the License.
       7             :  * You may obtain a copy of the License at
       8             :  *
       9             :  *        http://www.apache.org/licenses/LICENSE-2.0
      10             :  *
      11             :  * Unless required by applicable law or agreed to in writing, software
      12             :  * distributed under the License is distributed on an "AS IS" BASIS,
      13             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      14             :  * See the License for the specific language governing permissions and
      15             :  * limitations under the License.
      16             :  */
      17             : 
      18             : #ifndef IROHA_CRYPTO_SIGNER_HPP
      19             : #define IROHA_CRYPTO_SIGNER_HPP
      20             : 
      21             : #include "cryptography/blob.hpp"
      22             : #include "cryptography/crypto_provider/crypto_defaults.hpp"
      23             : #include "cryptography/keypair.hpp"
      24             : #include "cryptography/signed.hpp"
      25             : 
      26             : namespace shared_model {
      27             :   namespace crypto {
      28             :     /**
      29             :      * CryptoSigner - wrapper for generalization signing for different
      30             :      * cryptographic algorithms
      31             :      * @tparam Algorithm - cryptographic algorithm for singing
      32             :      */
      33             :     template <typename Algorithm = DefaultCryptoAlgorithmType>
      34             :     class CryptoSigner {
      35             :      public:
      36             :       /**
      37             :        * Generate signature for target data
      38             :        * @param blob - data for signing
      39             :        * @param keypair - (public, private) keys for signing
      40             :        * @return signature's blob
      41             :        */
      42             :       static Signed sign(const Blob &blob, const Keypair &keypair) {
      43        5096 :         return Algorithm::sign(blob, keypair);
      44             :       }
      45             : 
      46             :       /// close constructor for forbidding instantiation
      47             :       CryptoSigner() = delete;
      48             :     };
      49             :   }  // namespace crypto
      50             : }  // namespace shared_model
      51             : #endif  // IROHA_CRYPTO_SIGNER_HPP