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