mirror of
https://github.com/Proxmark/proxmark3.git
synced 2024-11-11 09:59:45 +08:00
144 lines
3.6 KiB
C
144 lines
3.6 KiB
C
#include <strings.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include "protocols.h"
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#ifndef ON_DEVICE
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#include "ui.h"
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#define prnt PrintAndLog
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#endif
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typedef struct {
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uint8_t app_limit; //[8]
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uint8_t otp[2]; //[9-10]
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uint8_t block_writelock;//[11]
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uint8_t chip_config; //[12]
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uint8_t mem_config; //[13]
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uint8_t eas; //[14]
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uint8_t fuses; //[15]
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}picopass_conf_block;
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typedef struct {
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uint8_t csn[8];
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picopass_conf_block conf;
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uint8_t epurse[8];
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uint8_t key_d[8];
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uint8_t key_c[8];
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uint8_t app_issuer_area[8];
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}picopass_hdr;
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//#define prnt printf
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/*void prnt(char *fmt,...)
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{
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va_list argptr;
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va_start(argptr, fmt);
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vprintf(fmt, argptr);
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printf(" "); // cleaning prompt
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va_end(argptr);
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printf("\n");
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}
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*/
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uint8_t isset(uint8_t val, uint8_t mask)
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{
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return (val & mask);
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}
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uint8_t notset(uint8_t val, uint8_t mask){
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return !(val & mask);
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}
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void fuse_config(const picopass_hdr *hdr)
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{
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uint8_t fuses = hdr->conf.fuses;
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if (isset(fuses,FUSE_FPERS))prnt(" Mode: Personalization [Programmable]");
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else prnt(" Mode: Application [Locked]");
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if (isset(fuses, FUSE_CODING1))
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prnt(" Coding: RFU");
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else
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{
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if( isset( fuses , FUSE_CODING0)) prnt(" Coding: ISO 14443-2 B/ISO 15693");
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else prnt(" Coding: ISO 14443B only");
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}
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if( isset (fuses,FUSE_CRYPT1 | FUSE_CRYPT0 )) prnt(" Crypt: Secured page, keys not locked");
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if( isset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt(" Crypt: Secured page, keys not locked");
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if( notset (fuses,FUSE_CRYPT1) && isset( fuses, FUSE_CRYPT0 )) prnt(" Crypt: Non secured page");
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if( notset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt(" Crypt: No auth possible. Read only if RA is enabled");
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if( isset( fuses, FUSE_RA)) prnt(" RA: Read access enabled");
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else prnt(" RA: Read access not enabled");
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}
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void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *books, uint8_t *kb) {
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// mem-bit 5, mem-bit 7, chip-bit 4: defines chip type
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if(isset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
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kb = 2;
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books = 1;
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max_blk = 31;
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} else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
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kb = 16;
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books = 2;
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max_blk = 255; //16kb
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} else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
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kb = 16;
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books = 16;
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max_blk = 255; //16kb
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} else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
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kb = 32;
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books = 2;
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max_blk = 255; //16kb
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} else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
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kb = 32;
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books = 16;
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max_blk = 255; //16kb
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} else {
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kb = 32;
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max_blk = 255;
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}
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}
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void mem_app_config(const picopass_hdr *hdr)
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{
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uint8_t mem = hdr->conf.mem_config;
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uint8_t chip = hdr->conf.chip_config;
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uint8_t applimit = hdr->conf.app_limit;
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if (applimit < 6) applimit = 26;
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uint8_t kb = 2;
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uint8_t books = 1;
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uint8_t max_blk = 31;
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getMemConfig(mem, chip, &max_blk, &books, &kb);
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prnt(" Mem: %u KBits/%u Books (%u * 8 bytes) [%02X]", kb, books, max_blk, mem);
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prnt(" AA1: blocks 06-%02X", applimit);
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prnt(" AA2: blocks %02X-%02X", applimit+1, max_blk);
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}
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void print_picopass_info(const picopass_hdr *hdr)
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{
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fuse_config(hdr);
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mem_app_config(hdr);
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}
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void printIclassDumpInfo(uint8_t* iclass_dump)
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{
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// picopass_hdr hdr;
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// memcpy(&hdr, iclass_dump, sizeof(picopass_hdr));
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print_picopass_info((picopass_hdr *) iclass_dump);
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}
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/*
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void test()
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{
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picopass_hdr hdr = {0x27,0xaf,0x48,0x01,0xf9,0xff,0x12,0xe0,0x12,0xff,0xff,0xff,0x7f,0x1f,0xff,0x3c};
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prnt("Picopass configuration:");
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print_picopass_info(&hdr);
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}
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int main(int argc, char *argv[])
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{
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test();
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return 0;
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}
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*/
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