1 /*
2  * Copyright 2014 The Android Open Source Project
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 #pragma once
18 
19 #include <utility>
20 
21 #include <openssl/ec.h>
22 
23 #include <keymaster/km_openssl/asymmetric_key.h>
24 #include <keymaster/km_openssl/openssl_utils.h>
25 
26 namespace keymaster {
27 
28 class EcdsaOperationFactory;
29 
30 class EcKey : public AsymmetricKey {
31   public:
EcKey(AuthorizationSet hw_enforced,AuthorizationSet sw_enforced,const KeyFactory * factory)32     EcKey(AuthorizationSet hw_enforced, AuthorizationSet sw_enforced, const KeyFactory* factory)
33         : AsymmetricKey(std::move(hw_enforced), std::move(sw_enforced), factory) {}
EcKey(AuthorizationSet hw_enforced,AuthorizationSet sw_enforced,const KeyFactory * factory,EC_KEY_Ptr ec_key)34     EcKey(AuthorizationSet hw_enforced, AuthorizationSet sw_enforced, const KeyFactory* factory,
35           EC_KEY_Ptr ec_key)
36         : AsymmetricKey(std::move(hw_enforced), std::move(sw_enforced), factory),
37           ec_key_(std::move(ec_key)) {}
38 
evp_key_type()39     int evp_key_type() const override { return EVP_PKEY_EC; }
40 
41     EVP_PKEY_Ptr InternalToEvp() const override;
42     bool EvpToInternal(const EVP_PKEY* pkey) override;
43 
key()44     EC_KEY* key() const { return ec_key_.get(); }
45 
46   protected:
EcKey(EC_KEY * ec_key,AuthorizationSet hw_enforced,AuthorizationSet sw_enforced,const KeyFactory * key_factory)47     EcKey(EC_KEY* ec_key, AuthorizationSet hw_enforced, AuthorizationSet sw_enforced,
48           const KeyFactory* key_factory)
49         : AsymmetricKey(std::move(hw_enforced), std::move(sw_enforced), key_factory),
50           ec_key_(ec_key) {}
51 
52   private:
53     EC_KEY_Ptr ec_key_;
54 };
55 
56 }  // namespace keymaster
57