hwcrypto.h
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/*
* Copyright (C) 2016 The Android Open Source Project
* Copyright NXP 2018
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef TRUSTY_HWCRYPTO_H_
#define TRUSTY_HWCRYPTO_H_
#include <trusty/sysdeps.h>
#include <trusty/trusty_ipc.h>
#include <interface/hwcrypto/hwcrypto.h>
/*
* Initialize HWCRYPTO TIPC client. Returns one of trusty_err.
*
* @dev: initialized with trusty_ipc_dev_create
*/
int hwcrypto_tipc_init(struct trusty_ipc_dev *dev);
/*
* Shutdown HWCRYPTO TIPC client.
*
* @dev: initialized with trusty_ipc_dev_create
*/
void hwcrypto_tipc_shutdown(struct trusty_ipc_dev *dev);
/*
* Send request to secure side to calculate sha256 hash with caam.
* Returns one of trusty_err.
*
* @in_addr: start address of the input buf
* @in_len: size of the input buf
* @out_addr: start address of the output buf
* @out_len: size of the output buf
* @algo: hash algorithm type expect to use
*/
int hwcrypto_hash(uint32_t in_addr, uint32_t in_len, uint32_t out_addr,
uint32_t out_len, enum hwcrypto_hash_algo algo);
/*
* Send request to secure side to generate blob with caam.
* Returns one of trusty_err.
*
* @plain_pa: physical start address of the plain blob buffer.
* @plain_size: size of the plain blob buffer.
* @blob_pa: physical start address of the generated blob buffer.
*/
int hwcrypto_gen_blob(uint32_t plain_pa,
uint32_t plain_size, uint32_t blob_pa);
/* Send request to secure side to generate rng with caam.
* Returns one of trusty_err.
*
* @buf: physical start address of the output rng buf.
* @len: size of required rng.
* */
int hwcrypto_gen_rng(uint32_t buf, uint32_t len);
#endif /* TRUSTY_HWCRYPTO_H_ */