mirror of
https://github.com/trezor/trezor-firmware.git
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47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/**
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* Copyright (c) 2023 Trezor Company s.r.o.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is 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 included
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* 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, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT HMAC_SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
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* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __DER_H
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#define __DER_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "buffer.h"
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#include "options.h"
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#define DER_SEQUENCE 0x30
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#define DER_INTEGER 0x02
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typedef struct {
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uint8_t id;
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BUFFER_READER cont;
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} DER_ITEM;
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bool __wur der_read_length(BUFFER_READER *buf, size_t *len);
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bool __wur der_write_length(BUFFER_WRITER *buf, size_t len);
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bool __wur der_read_item(BUFFER_READER *buf, DER_ITEM *item);
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bool __wur der_reencode_int(BUFFER_READER *reader, BUFFER_WRITER *writer);
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#endif // __DER_H
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