src/manager/crypto/tz-backend/internals.h

   1 /*
   2  *  Copyright (c) 2017 - 2019 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  *  Licensed under the Apache License, Version 2.0 (the "License");
   5  *  you may not use this file except in compliance with the License.
   6  *  You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *  Unless required by applicable law or agreed to in writing, software
  11  *  distributed under the License is distributed on an "AS IS" BASIS,
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *  See the License for the specific language governing permissions and
  14  *  limitations under the License
  15  */
  16 /*
  17  * @file       internals.h
  18  * @author     Krzysztof Dynowski (k.dynowski@samsung.com)
  19  * @author     Lukasz Kostyra (l.kostyra@samsung.com)
  20  * @version    1.0
  21  */
  22 #pragma once
  23
  24 #include <ckm/ckm-type.h>
  25 #include <data-type.h>
  26 #include <tz-backend/obj.h>
  27 #include <generic-backend/gstore.h>
  28
  29 namespace CKM {
  30 namespace Crypto {
  31 namespace TZ {
  32 namespace Internals {
  33
  34 using DataPair = std::pair<Data, Data>;
  35 using BufferPair = std::pair<RawBuffer, RawBuffer>;
  36
  37 // encryption schema + buffer pair
  38 using KeyIdPair = std::pair<int, RawBuffer>;
  39
  40 RawBuffer generateIV();
  41
  42 AlgoType generateAKey(const CryptoAlgorithm &alg,
  43                                         const Password &pubPwd,
  44                                         const Password &privPwd,
  45                                         const RawBuffer &pubPwdIv,
  46                                         const RawBuffer &privPwdIv,
  47                                         RawBuffer &pubTag,
  48                                         RawBuffer &privTag,
  49                                         const RawBuffer &hashPriv,
  50                                         const RawBuffer &hashPub);
  51
  52 void generateSKey(const CryptoAlgorithm &alg,
  53                                 const Password &pwd,
  54                                 const RawBuffer &iv,
  55                                 RawBuffer &tag,
  56                                 const RawBuffer &hash);
  57
  58 void importData(const Data &key,
  59                                          const EncryptionParams &encData,
  60                                          const Password &pwd,
  61                                          const RawBuffer &pwdIV,
  62                                          RawBuffer &tag,
  63                                          const RawBuffer &hash);
  64
  65 RawBuffer getData(const RawBuffer &dataId,
  66                                   const Pwd &pwd);
  67
  68 void destroyData(const RawBuffer &dataId);
  69
  70 void destroyKey(const RawBuffer &key);
  71
  72 RawBuffer symmetricEncrypt(
  73         const RawBuffer &key,
  74         const Pwd &pwd,
  75         const CryptoAlgorithm &alg,
  76         const RawBuffer &data);
  77
  78 RawBuffer symmetricDecrypt(
  79         const RawBuffer &key,
  80         const Pwd &pwd,
  81         const CryptoAlgorithm &alg,
  82         const RawBuffer &cipher);
  83
  84 RawBuffer asymmetricEncrypt(
  85         const RawBuffer &key,
  86         const Pwd &pwd,
  87         const CryptoAlgorithm &alg,
  88         const RawBuffer &data);
  89
  90 RawBuffer asymmetricDecrypt(
  91         const RawBuffer &key,
  92         const Pwd &pwd,
  93         const CryptoAlgorithm &alg,
  94         const RawBuffer &cipher);
  95
  96 BufferPair encryptDataAesGcm(const RawBuffer &key,
  97                                                         const Pwd &pwd,
  98                                                         const RawBuffer &iv,
  99                                                         int tagSize,
 100                                                         const RawBuffer &data,
 101                                                         const RawBuffer &aad = RawBuffer());
 102
 103 RawBuffer decryptDataAesGcm(const RawBuffer &key,
 104                                                         const Pwd &pwd,
 105                                                         const RawBuffer &iv,
 106                                                         const RawBuffer &tag,
 107                                                         const RawBuffer &data,
 108                                                         const RawBuffer &aad = RawBuffer());
 109
 110 RawBuffer sign(const RawBuffer &pkey,
 111                         const Pwd &pwd,
 112                         const CryptoAlgorithm &alg,
 113                         const RawBuffer &message);
 114
 115 int verify(const RawBuffer &pkey,
 116                 const Pwd &pwd,
 117                 const CryptoAlgorithm &alg,
 118                 const RawBuffer &message,
 119                 const RawBuffer &signature);
 120
 121 } // namespace Internals
 122 } // namespace TZ
 123 } // namespace Crypto
 124 } // namespace CKM