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/*
* Copyright 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SYSTEM_KEYMASTER_EC_KEYMASTER0_KEY_H_
#define SYSTEM_KEYMASTER_EC_KEYMASTER0_KEY_H_
#include <openssl/ec_key.h>
#include <keymaster/ec_key_factory.h>
#include "ec_key.h"
namespace keymaster {
class Keymaster0Engine;
class SoftKeymasterContext;
/**
* An EcdsaKeyFactory which can delegate key generation, importing and loading operations to a
* keymaster0-backed OpenSSL engine.
*/
class EcdsaKeymaster0KeyFactory : public EcKeyFactory {
typedef EcKeyFactory super;
public:
EcdsaKeymaster0KeyFactory(const SoftKeymasterContext* context, const Keymaster0Engine* engine);
keymaster_error_t GenerateKey(const AuthorizationSet& key_description,
KeymasterKeyBlob* key_blob, AuthorizationSet* hw_enforced,
AuthorizationSet* sw_enforced) const override;
keymaster_error_t ImportKey(const AuthorizationSet& key_description,
keymaster_key_format_t input_key_material_format,
const KeymasterKeyBlob& input_key_material,
KeymasterKeyBlob* output_key_blob, AuthorizationSet* hw_enforced,
AuthorizationSet* sw_enforced) const override;
keymaster_error_t LoadKey(const KeymasterKeyBlob& key_material,
const AuthorizationSet& hw_enforced,
const AuthorizationSet& sw_enforced,
UniquePtr<Key>* key) const override;
private:
const Keymaster0Engine* engine_;
const SoftKeymasterContext* soft_context_;
};
class EcKeymaster0Key : public EcKey {
typedef EcKey super;
public:
EcKeymaster0Key(EC_KEY* ec_key, const AuthorizationSet& hw_enforced,
const AuthorizationSet& sw_enforced, const Keymaster0Engine* engine,
keymaster_error_t* error);
keymaster_error_t key_material(UniquePtr<uint8_t[]>* material, size_t* size) const override;
private:
const Keymaster0Engine* engine_;
};
} // namespace keymaster
#endif // SYSTEM_KEYMASTER_EC_KEYMASTER0_KEY_H_
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