Karl Zhang | 3de5ab1 | 2021-05-31 11:45:48 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2019-2020, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef CRYPTO_ASSET_HPP |
| 9 | #define CRYPTO_ASSET_HPP |
| 10 | |
| 11 | #include <string> |
| 12 | #include <vector> |
| 13 | #include <cstddef> |
| 14 | #include <cstdint> |
| 15 | |
| 16 | |
| 17 | /* This project's header files #including other project headers quickly becomes |
| 18 | unrealistically complicated. The only solution is for each .cpp to include |
| 19 | the headers it needs. |
| 20 | #include "psa_asset.hpp" |
| 21 | */ |
| 22 | |
| 23 | |
| 24 | using namespace std; |
| 25 | |
| 26 | class crypto_asset : public psa_asset |
| 27 | { |
| 28 | public: |
| 29 | // Data members: |
| 30 | key_policy_info policy; |
| 31 | // Methods: |
| 32 | crypto_asset (void); // (constructor) |
| 33 | ~crypto_asset (void); |
| 34 | |
| 35 | protected: |
| 36 | // Data members: |
| 37 | // Methods: |
| 38 | |
| 39 | private: |
| 40 | // Data members: |
| 41 | // Methods: |
| 42 | }; |
| 43 | |
| 44 | class policy_asset : public crypto_asset |
| 45 | { |
| 46 | public: |
| 47 | // Data members: |
| 48 | string policy_usage; // for now just strings; maybe future tap TF-M(?) value list |
| 49 | string key_type; // DES, AES, RAW, vendor, none, etc. |
| 50 | string policy_algorithm; |
| 51 | vector<key_asset*> keys; // keys that use this policy |
| 52 | // Methods: |
| 53 | policy_asset (void); // (constructor) |
| 54 | ~policy_asset (void); |
| 55 | |
| 56 | protected: |
| 57 | // Data members: |
| 58 | // Methods: |
| 59 | |
| 60 | private: |
| 61 | // Data members: |
| 62 | // Methods: |
| 63 | }; |
| 64 | |
| 65 | class key_asset : public crypto_asset |
| 66 | { |
| 67 | public: |
| 68 | // Data members: |
| 69 | vector<policy_asset*>::iterator the_policy_asset; |
| 70 | /* The policy for this key. Note that psa_make_key() lets us create |
| 71 | a key without associating a policy with it. In that case, this will |
| 72 | be null, and the attributes below apply. Later, psa_set_key_policy |
| 73 | lets us associate a policy with a key, at which point this becomes |
| 74 | non-null and the following attributes no longer apply. */ |
| 75 | string key_type; // DES, AES, RAW, vendor, none, etc. |
| 76 | string usage; // for now just strings; maybe future tap TF-M(?) value list |
| 77 | string alg; // these only apply if the string was created without a policy |
| 78 | string lifetime_str; // similarly, the text representation of the key's lifetime |
| 79 | // Methods: |
| 80 | bool set_key_id (int id_n); // checks key-ID value, returns true==success |
| 81 | key_asset (void); // (constructor) |
| 82 | ~key_asset (void); |
| 83 | |
| 84 | protected: |
| 85 | // Data members: |
| 86 | uint64_t key_id; |
| 87 | // Methods: |
| 88 | |
| 89 | private: |
| 90 | // Data members: |
| 91 | // Methods: |
| 92 | }; |
| 93 | |
| 94 | #endif // CRYPTO_ASSET_HPP |