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 DataPair 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
  50 Data generateSKey(const CryptoAlgorithm &alg,
  51                                 const Password &pwd,
  52                                 const RawBuffer &iv,
  53                                 RawBuffer &tag);
  54
  55 RawBuffer importData(const Data &key,
  56                                          const EncryptionParams &encData,
  57                                          const Password &pwd,
  58                                          const RawBuffer &pwdIV,
  59                                          RawBuffer &tag);
  60
  61 RawBuffer getData(const RawBuffer &dataId,
  62                                   const Pwd &pwd);
  63
  64 void destroyData(const RawBuffer &dataId);
  65
  66 void destroyKey(const RawBuffer &key);
  67
  68 RawBuffer symmetricEncrypt(
  69         const RawBuffer &key,
  70         const Pwd &pwd,
  71         const CryptoAlgorithm &alg,
  72         const RawBuffer &data);
  73
  74 RawBuffer symmetricDecrypt(
  75         const RawBuffer &key,
  76         const Pwd &pwd,
  77         const CryptoAlgorithm &alg,
  78         const RawBuffer &cipher);
  79
  80 RawBuffer asymmetricEncrypt(
  81         const RawBuffer &key,
  82         const Pwd &pwd,
  83         const CryptoAlgorithm &alg,
  84         const RawBuffer &data);
  85
  86 RawBuffer asymmetricDecrypt(
  87         const RawBuffer &key,
  88         const Pwd &pwd,
  89         const CryptoAlgorithm &alg,
  90         const RawBuffer &cipher);
  91
  92 BufferPair encryptDataAesGcm(const RawBuffer &key,
  93                                                         const Pwd &pwd,
  94                                                         const RawBuffer &iv,
  95                                                         int tagSize,
  96                                                         const RawBuffer &data,
  97                                                         const RawBuffer &aad = RawBuffer());
  98
  99 RawBuffer decryptDataAesGcm(const RawBuffer &key,
 100                                                         const Pwd &pwd,
 101                                                         const RawBuffer &iv,
 102                                                         const RawBuffer &tag,
 103                                                         const RawBuffer &data,
 104                                                         const RawBuffer &aad = RawBuffer());
 105
 106 RawBuffer sign(const RawBuffer &pkey,
 107                         const Pwd &pwd,
 108                         const CryptoAlgorithm &alg,
 109                         const RawBuffer &message);
 110
 111 int verify(const RawBuffer &pkey,
 112                 const Pwd &pwd,
 113                 const CryptoAlgorithm &alg,
 114                 const RawBuffer &message,
 115                 const RawBuffer &signature);
 116
 117 } // namespace Internals
 118 } // namespace TZ
 119 } // namespace Crypto
 120 } // namespace CKM