cryptdev/keyfile.h

/*
 * Copyright 2015 Google Inc. All rights reserved.
 *
 * 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 _KEYFILE_H_
#define _KEYFILE_H_

#include <stddef.h>

// read_key_file reads and uses the TPM to unwrap a key from a key file.
// Returns 0 on success or -1 on error.
int read_key_file(const char* name, void* key, size_t key_size);

// write_key_file uses the TPM to wrap and writes a key to a key file.
// Returns 0 on success or -1 on error.
int write_key_file(const char* name, void* key, size_t key_size);

#endif /* _KEYFILE_H_ */