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https://github.com/Proxmark/proxmark3.git
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be59094de9
**DEVICE FIRMWARE UPDATE** The code changes needed to support long tag emulation required an update to the device firmware. As of this patch, devices running older firmware will not be able to read or emulate HID tags until the firmware is updated. Additionally, devices with the firmware from this update or newer will not properly read or encode HID tags with a prior version client. The 'lf hid encode' command has been further refined, and is now entirely parameterized to support use of fields other than facility code and card number. The client help data has been updated to show the correct syntax.
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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uint32_t IssueLevel;
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uint32_t OEM;
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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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