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https://github.com/Proxmark/proxmark3.git
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5d643cc033
Issue Level added to encode/decode support By default, invalid parity will not show on decode (with option to show) Added two new 36-bit formats including first format to use issue level
47 lines
2.1 KiB
C
47 lines
2.1 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) 2018 grauerfuchs
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// HID card format packing/unpacking support functions
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//-----------------------------------------------------------------------------
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#ifndef HIDCARDFORMATUTILS_H__
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#define HIDCARDFORMATUTILS_H__
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdbool.h>
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// Structure for packed HID messages
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// Always align lowest value (last transmitted) bit to ordinal position 0 (lowest valued bit bottom)
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typedef struct hidproxmessage_s{
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uint8_t Length; // Number of encoded bits in prox message (excluding headers and preamble)
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uint32_t top; // Bits in x<<64 positions
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uint32_t mid; // Bits in x<<32 positions
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uint32_t bot; // Lowest ordinal positions
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} hidproxmessage_t;
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// Structure for unpacked HID prox cards
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typedef struct hidproxcard_s{
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uint32_t FacilityCode;
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uint64_t CardNumber;
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uint8_t IssueLevel;
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bool ParitySupported;
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bool ParityValid; // Only valid for responses
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} hidproxcard_t;
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bool get_bit_by_position(/* in */hidproxmessage_t* data, /* in */uint8_t pos);
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bool set_bit_by_position(/* inout */hidproxmessage_t* data, /* in */bool value, /* in */uint8_t pos);
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uint64_t get_linear_field(/* in */hidproxmessage_t* data, /* in */uint8_t firstBit, /* in */uint8_t length);
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bool set_linear_field(/* inout */hidproxmessage_t* data, /* in */uint64_t value, /* in */uint8_t firstBit, /* in */uint8_t length);
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uint64_t get_nonlinear_field(/* in */hidproxmessage_t* data, /* in */uint8_t numBits, /* in */uint8_t* bits);
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bool set_nonlinear_field(/* inout */hidproxmessage_t* data, /* in */uint64_t value, /* in */uint8_t numBits, /* in */uint8_t* bits);
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hidproxmessage_t initialize_proxmessage_object(/* in */uint32_t top, /* in */uint32_t mid, /* in */uint32_t bot);
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bool add_HID_header(/* inout */hidproxmessage_t* data);
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#endif
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