79 lines
3.1 KiB
C
79 lines
3.1 KiB
C
/*
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* Copyright (C) 2017 The Android Open Source Project
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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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#ifndef TRUSTY_KEYMASTER_SERIALIZABLE_H_
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#define TRUSTY_KEYMASTER_SERIALIZABLE_H_
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#include <trusty/keymaster.h>
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/**
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* Simple serialization routines for dynamically sized keymaster messages.
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*/
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/**
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* Appends |data_len| bytes at |data| to |buf|. Performs no bounds checking,
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* assumes sufficient memory allocated at |buf|. Returns |buf| + |data_len|.
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*/
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uint8_t *append_to_buf(uint8_t *buf, const void *data, size_t data_len);
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/**
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* Appends |val| to |buf|. Performs no bounds checking. Returns |buf| +
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* sizeof(uint32_t).
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*/
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uint8_t *append_uint32_to_buf(uint8_t *buf, uint32_t val);
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/**
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* Appends a sized buffer to |buf|. First appends |data_len| to |buf|, then
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* appends |data_len| bytes at |data| to |buf|. Performs no bounds checking.
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* Returns |buf| + sizeof(uint32_t) + |data_len|.
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*/
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uint8_t *append_sized_buf_to_buf(uint8_t *buf, const uint8_t *data,
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uint32_t data_len);
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/**
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* Serializes a km_boot_params structure. On success, allocates |*out_size|
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* bytes to |*out| and writes the serialized |params| to |*out|. Caller takes
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* ownership of |*out|. Returns one of trusty_err.
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*/
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int km_boot_params_serialize(const struct km_boot_params *params, uint8_t **out,
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uint32_t *out_size);
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/**
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* Serializes a km_attestation_data structure. On success, allocates |*out_size|
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* bytes to |*out| and writes the serialized |data| to |*out|. Caller takes
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* ownership of |*out|. Returns one of trusty_err.
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*/
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int km_attestation_data_serialize(const struct km_attestation_data *data,
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uint8_t **out, uint32_t *out_size);
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/**
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* Serializes a km_raw_buffer structure. On success, allocates |*out_size|
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* bytes to |*out| and writes the serialized |data| to |*out|. Caller takes
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* ownership of |*out|. Returns one of trusty_err.
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*/
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int km_raw_buffer_serialize(const struct km_raw_buffer *buf, uint8_t** out,
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uint32_t *out_size);
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#endif /* TRUSTY_KEYMASTER_SERIALIZABLE_H_ */
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