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 #ifndef SYSTEM_KEYMASTER_ASYMMETRIC_KEY_H 18 #define SYSTEM_KEYMASTER_ASYMMETRIC_KEY_H 19 20 #include <openssl/evp.h> 21 22 #include "key.h" 23 24 namespace keymaster { 25 26 class AsymmetricKey : public Key { 27 public: AsymmetricKey(const AuthorizationSet & hw_enforced,const AuthorizationSet & sw_enforced,keymaster_error_t * error)28 AsymmetricKey(const AuthorizationSet& hw_enforced, const AuthorizationSet& sw_enforced, 29 keymaster_error_t* error) 30 : Key(hw_enforced, sw_enforced, error) {} 31 32 keymaster_error_t formatted_key_material(keymaster_key_format_t format, 33 UniquePtr<uint8_t[]>* material, 34 size_t* size) const override; 35 36 keymaster_error_t GenerateAttestation(const KeymasterContext& context, 37 const AuthorizationSet& attest_params, 38 const AuthorizationSet& tee_enforced, 39 const AuthorizationSet& sw_enforced, 40 keymaster_cert_chain_t* certificate_chain) const override; 41 42 virtual bool InternalToEvp(EVP_PKEY* pkey) const = 0; 43 virtual bool EvpToInternal(const EVP_PKEY* pkey) = 0; 44 }; 45 46 } // namespace keymaster 47 48 #endif // SYSTEM_KEYMASTER_ASYMMETRIC_KEY_H 49