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https://github.com/RfidResearchGroup/proxmark3.git
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627 lines
21 KiB
C
627 lines
21 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) 2018 iceman
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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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// Proxmark3 RDV40 Flash memory commands
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//-----------------------------------------------------------------------------
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#include "cmdflashmem.h"
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#include <ctype.h>
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#include "cmdparser.h" // command_t
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#include "cliparser.h"
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#include "pmflash.h" // rdv40validation_t
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#include "fileutils.h" // saveFile
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#include "comms.h" // getfromdevice
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#include "cmdflashmemspiffs.h" // spiffs commands
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#include "rsa.h"
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#include "sha1.h"
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#define MCK 48000000
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#define FLASH_MINFAST 24000000 //33000000
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#define FLASH_BAUD MCK/2
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#define FLASH_FASTBAUD MCK
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#define FLASH_MINBAUD FLASH_FASTBAUD
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static int CmdHelp(const char *Cmd);
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//-------------------------------------------------------------------------------------
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// RRG Public RSA Key
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#define RRG_RSA_KEY_LEN 128
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// public key Exponent E
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#define RRG_RSA_E "010001"
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// public key modulus N
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#define RRG_RSA_N "E28D809BF323171D11D1ACA4C32A5B7E0A8974FD171E75AD120D60E9B76968FF" \
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"4B0A6364AE50583F9555B8EE1A725F279E949246DF0EFCE4C02B9F3ACDCC623F" \
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"9337F21C0C066FFB703D8BFCB5067F309E056772096642C2B1A8F50305D5EC33" \
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"DB7FB5A3C8AC42EB635AE3C148C910750ABAA280CE82DC2F180F49F30A1393B5"
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//-------------------------------------------------------------------------------------
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// Sample private RSA Key
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// Following example RSA-1024 keypair, for test purposes (from common/polarssl/rsa.c)
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// private key - Exponent D
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#define RSA_D "24BF6185468786FDD303083D25E64EFC" \
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"66CA472BC44D253102F8B4A9D3BFA750" \
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"91386C0077937FE33FA3252D28855837" \
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"AE1B484A8A9A45F7EE8C0C634F99E8CD" \
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"DF79C5CE07EE72C7F123142198164234" \
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"CABB724CF78B8173B9F880FC86322407" \
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"AF1FEDFDDE2BEB674CA15F3E81A1521E" \
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"071513A1E85B5DFA031F21ECAE91A34D"
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// prime P
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#define RSA_P "C36D0EB7FCD285223CFB5AABA5BDA3D8" \
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"2C01CAD19EA484A87EA4377637E75500" \
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"FCB2005C5C7DD6EC4AC023CDA285D796" \
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"C3D9E75E1EFC42488BB4F1D13AC30A57"
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// prime Q
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#define RSA_Q "C000DF51A7C77AE8D7C7370C1FF55B69" \
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"E211C2B9E5DB1ED0BF61D0D9899620F4" \
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"910E4168387E3C30AA1E00C339A79508" \
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"8452DD96A9A5EA5D9DCA68DA636032AF"
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#define RSA_DP "C1ACF567564274FB07A0BBAD5D26E298" \
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"3C94D22288ACD763FD8E5600ED4A702D" \
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"F84198A5F06C2E72236AE490C93F07F8" \
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"3CC559CD27BC2D1CA488811730BB5725"
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#define RSA_DQ "4959CBF6F8FEF750AEE6977C155579C7" \
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"D8AAEA56749EA28623272E4F7D0592AF" \
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"7C1F1313CAC9471B5C523BFE592F517B" \
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"407A1BD76C164B93DA2D32A383E58357"
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#define RSA_QP "9AE7FBC99546432DF71896FC239EADAE" \
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"F38D18D2B2F0E2DD275AA977E2BF4411" \
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"F5A3B2A5D33605AEBBCCBA7FEB9F2D2F" \
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"A74206CEC169D74BF5A8C50D6F48EA08"
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int rdv4_get_signature(rdv40_validation_t *out) {
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if (out == NULL) {
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return PM3_EINVARG;
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}
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clearCommandBuffer();
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SendCommandNG(CMD_FLASHMEM_INFO, NULL, 0);
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PacketResponseNG resp;
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if (WaitForResponseTimeout(CMD_ACK, &resp, 2500) == false) {
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PrintAndLogEx(WARNING, "timeout while waiting for reply");
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return PM3_ETIMEOUT;
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}
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uint8_t isok = resp.oldarg[0] & 0xFF;
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if (isok == false) {
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PrintAndLogEx(FAILED, "fail reading from flashmemory");
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return PM3_EFLASH;
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}
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//rdv40_validation_t mem;
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memcpy(out, (rdv40_validation_t *)resp.data.asBytes, sizeof(rdv40_validation_t));
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return PM3_SUCCESS;
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}
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// validate signature
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int rdv4_validate(rdv40_validation_t *mem) {
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// Flash ID hash (sha1)
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uint8_t sha_hash[20] = {0};
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mbedtls_sha1(mem->flashid, sizeof(mem->flashid), sha_hash);
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// set up RSA
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mbedtls_rsa_context rsa;
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mbedtls_rsa_init(&rsa, MBEDTLS_RSA_PKCS_V15, 0);
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rsa.len = RRG_RSA_KEY_LEN;
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mbedtls_mpi_read_string(&rsa.N, 16, RRG_RSA_N);
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mbedtls_mpi_read_string(&rsa.E, 16, RRG_RSA_E);
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// Verify (public key)
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int is_verified = mbedtls_rsa_pkcs1_verify(&rsa, NULL, NULL, MBEDTLS_RSA_PUBLIC, MBEDTLS_MD_SHA1, 20, sha_hash, mem->signature);
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mbedtls_rsa_free(&rsa);
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if (is_verified == 0) {
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return PM3_SUCCESS;
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}
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return PM3_EFAILED;
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}
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static int rdv4_sign_write(uint8_t *signature, uint8_t slen){
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// save to mem
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clearCommandBuffer();
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PacketResponseNG resp;
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SendCommandOLD(CMD_FLASHMEM_WRITE, FLASH_MEM_SIGNATURE_OFFSET, FLASH_MEM_SIGNATURE_LEN, 0, signature, slen);
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if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
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PrintAndLogEx(WARNING, "timeout while waiting for reply.");
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} else {
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if (!resp.oldarg[0]) {
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PrintAndLogEx(FAILED, "Writing signature ( "_RED_("fail") ")");
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} else {
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PrintAndLogEx(SUCCESS, "Writing signature ( "_GREEN_("ok") " ) at offset %u", FLASH_MEM_SIGNATURE_OFFSET);
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return PM3_SUCCESS;
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}
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}
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return PM3_EFAILED;
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}
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static int CmdFlashmemSpiBaudrate(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "mem baudrate",
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"Set the baudrate for the SPI flash memory communications.\n"
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"Reading Flash ID will virtually always fail under 48MHz setting.\n"
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"Unless you know what you are doing, please stay at 24MHz.\n"
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"If >= 24MHz, FASTREADS instead of READS instruction will be used.",
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"mem baudrate --mhz 48"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_int1(NULL, "mhz", "<24|48>", "SPI baudrate in MHz"),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, false);
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int br = arg_get_int_def(ctx, 1, -1);
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CLIParserFree(ctx);
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if (br == -1) {
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PrintAndLogEx(ERR, "failed to get baudrate");
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return PM3_EINVARG;
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}
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uint32_t baudrate = br * 1000000;
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if (baudrate != FLASH_BAUD && baudrate != FLASH_MINBAUD) {
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PrintAndLogEx(ERR, "wrong baudrate. Only 24 or 48 is allowed");
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return PM3_EINVARG;
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}
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SendCommandNG(CMD_FLASHMEM_SET_SPIBAUDRATE, (uint8_t *)&baudrate, sizeof(uint32_t));
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return PM3_SUCCESS;
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}
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static int CmdFlashMemLoad(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "mem load",
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"Loads binary file into flash memory on device\n"
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"Warning: mem area to be written must have been wiped first\n"
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"( this is already taken care when loading dictionaries )",
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"mem load -f myfile -> upload file myfile values at default offset 0\n"
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"mem load -f myfile -o 1024 -> upload file myfile values at offset 1024\n"
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"mem load -f mfc_default_keys -m -> upload MFC keys\n"
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"mem load -f t55xx_default_pwds -t -> upload T55XX passwords\n"
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"mem load -f iclass_default_keys -i -> upload iCLASS keys\n"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_int0("o", "offset", "<dec>", "offset in memory"),
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arg_lit0("m", "mifare,mfc", "upload 6 bytes keys (mifare key dictionary)"),
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arg_lit0("i", "iclass", "upload 8 bytes keys (iClass key dictionary)"),
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arg_lit0("t", "t55xx", "upload 4 bytes keys (password dictionary)"),
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arg_strx0("f", "file", "<filename>", "file name"),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, false);
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int offset = arg_get_int_def(ctx, 1, 0);
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bool is_mfc = arg_get_lit(ctx, 2);
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bool is_iclass = arg_get_lit(ctx, 3);
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bool is_t55xx = arg_get_lit(ctx, 4);
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int fnlen = 0;
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char filename[FILE_PATH_SIZE] = {0};
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CLIParamStrToBuf(arg_get_str(ctx, 5), (uint8_t *)filename, FILE_PATH_SIZE, &fnlen);
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CLIParserFree(ctx);
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Dictionary_t d = DICTIONARY_NONE;
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if (is_mfc) {
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d = DICTIONARY_MIFARE;
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PrintAndLogEx(INFO, "treating file as MIFARE Classic keys");
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} else if (is_iclass) {
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d = DICTIONARY_ICLASS;
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PrintAndLogEx(INFO, "treating file as iCLASS keys");
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} else if (is_t55xx) {
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d = DICTIONARY_T55XX;
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PrintAndLogEx(INFO, "treating file as T55xx passwords");
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}
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size_t datalen = 0;
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uint32_t keycount = 0;
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int res = 0;
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uint8_t *data = calloc(FLASH_MEM_MAX_SIZE, sizeof(uint8_t));
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switch (d) {
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case DICTIONARY_MIFARE:
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offset = DEFAULT_MF_KEYS_OFFSET;
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res = loadFileDICTIONARY(filename, data + 2, &datalen, 6, &keycount);
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if (res || !keycount) {
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free(data);
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return PM3_EFILE;
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}
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// limited space on flash mem
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if (keycount > 0xFFFF)
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keycount &= 0xFFFF;
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data[0] = (keycount >> 0) & 0xFF;
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data[1] = (keycount >> 8) & 0xFF;
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datalen += 2;
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break;
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case DICTIONARY_T55XX:
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offset = DEFAULT_T55XX_KEYS_OFFSET;
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res = loadFileDICTIONARY(filename, data + 2, &datalen, 4, &keycount);
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if (res || !keycount) {
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free(data);
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return PM3_EFILE;
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}
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// limited space on flash mem
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if (keycount > 0xFFFF)
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keycount &= 0xFFFF;
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data[0] = (keycount >> 0) & 0xFF;
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data[1] = (keycount >> 8) & 0xFF;
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datalen += 2;
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break;
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case DICTIONARY_ICLASS:
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offset = DEFAULT_ICLASS_KEYS_OFFSET;
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res = loadFileDICTIONARY(filename, data + 2, &datalen, 8, &keycount);
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if (res || !keycount) {
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free(data);
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return PM3_EFILE;
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}
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// limited space on flash mem
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if (keycount > 0xFFFF)
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keycount &= 0xFFFF;
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data[0] = (keycount >> 0) & 0xFF;
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data[1] = (keycount >> 8) & 0xFF;
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datalen += 2;
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break;
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case DICTIONARY_NONE:
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res = loadFile_safe(filename, ".bin", (void **)&data, &datalen);
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if (res != PM3_SUCCESS) {
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free(data);
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return PM3_EFILE;
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}
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if (datalen > FLASH_MEM_MAX_SIZE) {
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PrintAndLogEx(ERR, "error, filesize is larger than available memory");
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free(data);
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return PM3_EOVFLOW;
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}
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break;
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}
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// not needed when we transite to loadxxxx_safe methods.(iceman)
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uint8_t *newdata = realloc(data, datalen);
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if (newdata == NULL) {
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free(data);
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return PM3_EMALLOC;
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} else {
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data = newdata;
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}
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//Send to device
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uint32_t bytes_sent = 0;
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uint32_t bytes_remaining = datalen;
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// fast push mode
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conn.block_after_ACK = true;
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while (bytes_remaining > 0) {
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uint32_t bytes_in_packet = MIN(FLASH_MEM_BLOCK_SIZE, bytes_remaining);
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clearCommandBuffer();
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SendCommandOLD(CMD_FLASHMEM_WRITE, offset + bytes_sent, bytes_in_packet, 0, data + bytes_sent, bytes_in_packet);
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bytes_remaining -= bytes_in_packet;
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bytes_sent += bytes_in_packet;
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PacketResponseNG resp;
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if (WaitForResponseTimeout(CMD_ACK, &resp, 2000) == false) {
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PrintAndLogEx(WARNING, "timeout while waiting for reply.");
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conn.block_after_ACK = false;
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free(data);
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return PM3_ETIMEOUT;
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}
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uint8_t isok = resp.oldarg[0] & 0xFF;
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if (!isok) {
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conn.block_after_ACK = false;
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PrintAndLogEx(FAILED, "Flash write fail [offset %u]", bytes_sent);
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return PM3_EFLASH;
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}
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}
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conn.block_after_ACK = false;
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free(data);
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PrintAndLogEx(SUCCESS, "Wrote "_GREEN_("%zu")" bytes to offset "_GREEN_("%u"), datalen, offset);
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return PM3_SUCCESS;
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}
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static int CmdFlashMemDump(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "mem dump",
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"Dumps flash memory on device into a file or view in console",
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"mem dump -f myfile -> download all flashmem to file\n"
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"mem dump --view -o 262015 --len 128 -> display 128 bytes from offset 262015 (RSA sig)\n"
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"mem dump --view -f myfile -o 241664 --len 58 -> display 58 bytes from offset 241664 and save to file"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_int0("o", "offset", "<dec>", "offset in memory"),
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arg_int0("l", "len", "<dec>", "length"),
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arg_lit0("v", "view", "view dump"),
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arg_strx0("f", "file", "<filename>", "file name"),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, false);
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int offset = arg_get_int_def(ctx, 1, 0);
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int len = arg_get_int_def(ctx, 2, FLASH_MEM_MAX_SIZE);
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bool view = arg_get_lit(ctx, 3);
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int fnlen = 0;
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char filename[FILE_PATH_SIZE] = {0};
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CLIParamStrToBuf(arg_get_str(ctx, 4), (uint8_t *)filename, FILE_PATH_SIZE, &fnlen);
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CLIParserFree(ctx);
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uint8_t *dump = calloc(len, sizeof(uint8_t));
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if (!dump) {
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PrintAndLogEx(ERR, "error, cannot allocate memory ");
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return PM3_EMALLOC;
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}
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PrintAndLogEx(INFO, "downloading "_YELLOW_("%u")" bytes from flash memory", len);
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if (!GetFromDevice(FLASH_MEM, dump, len, offset, NULL, 0, NULL, -1, true)) {
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PrintAndLogEx(FAILED, "ERROR; downloading from flash memory");
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free(dump);
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return PM3_EFLASH;
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}
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if (view) {
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PrintAndLogEx(INFO, "---- " _CYAN_("data") " ---------------");
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print_hex_break(dump, len, 32);
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}
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if (filename[0] != '\0') {
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saveFile(filename, ".bin", dump, len);
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saveFileEML(filename, dump, len, 16);
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}
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free(dump);
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return PM3_SUCCESS;
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}
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static int CmdFlashMemWipe(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "mem wipe",
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"Wipe flash memory on device, which fills it with 0xFF\n"
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_WHITE_("[ ") _RED_("!!! OBS") " ] use with caution",
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"mem wipe -p 0 -> wipes first page"
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// "mem wipe -i -> inital total wipe"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_int0("p", NULL, "<dec>", "0,1,2 page memory"),
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// arg_lit0("i", NULL, "inital total wipe"),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, false);
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bool initalwipe = false;
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int page = arg_get_int_def(ctx, 1, -1);
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// initalwipe = arg_get_lit(ctx, 2);
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CLIParserFree(ctx);
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if (page < 0 || page > 2) {
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PrintAndLogEx(WARNING, "page must be 0, 1 or 2");
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return PM3_EINVARG;
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}
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clearCommandBuffer();
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SendCommandMIX(CMD_FLASHMEM_WIPE, page, initalwipe, 0, NULL, 0);
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PacketResponseNG resp;
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if (!WaitForResponseTimeout(CMD_ACK, &resp, 8000)) {
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PrintAndLogEx(WARNING, "timeout while waiting for reply.");
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return PM3_ETIMEOUT;
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}
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const char *msg = "Flash WIPE ";
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uint8_t isok = resp.oldarg[0] & 0xFF;
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if (isok)
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PrintAndLogEx(SUCCESS, "%s ( " _GREEN_("ok")" )", msg);
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else {
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PrintAndLogEx(FAILED, "%s ( " _RED_("failed") " )", msg);
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return PM3_EFLASH;
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}
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return PM3_SUCCESS;
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}
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static int CmdFlashMemInfo(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "mem info",
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|
"Collect signature and verify it from flash memory",
|
|
"mem info"
|
|
// "mem info -s -d 0102030405060708"
|
|
);
|
|
|
|
void *argtable[] = {
|
|
arg_param_begin,
|
|
arg_lit0("s", "sign", "create a signature"),
|
|
arg_str0("d", NULL, "<hex>", "flash memory id, 8 hex bytes"),
|
|
// arg_lit0("w", "write", "write signature to flash memory"),
|
|
arg_param_end
|
|
};
|
|
CLIExecWithReturn(ctx, Cmd, argtable, true);
|
|
|
|
bool shall_sign = false, shall_write = false;
|
|
shall_sign = arg_get_lit(ctx, 1);
|
|
|
|
int dlen = 0;
|
|
uint8_t id[8] = {0};
|
|
int res = CLIParamHexToBuf(arg_get_str(ctx, 2), id, sizeof(id), &dlen);
|
|
|
|
// shall_write = arg_get_lit(ctx, 3);
|
|
CLIParserFree(ctx);
|
|
|
|
if (dlen > 0 && dlen < sizeof(id) ) {
|
|
PrintAndLogEx(FAILED, "Error parsing flash memory id, expect 8, got %d", dlen);
|
|
return PM3_EINVARG;
|
|
}
|
|
|
|
// validate devicesignature data
|
|
rdv40_validation_t mem;
|
|
res = rdv4_get_signature(&mem);
|
|
if (res != PM3_SUCCESS) {
|
|
return res;
|
|
}
|
|
res = rdv4_validate(&mem);
|
|
|
|
// Flash ID hash (sha1)
|
|
uint8_t sha_hash[20] = {0};
|
|
mbedtls_sha1(mem.flashid, sizeof(mem.flashid), sha_hash);
|
|
|
|
// print header
|
|
PrintAndLogEx(NORMAL, "");
|
|
PrintAndLogEx(INFO, "--- " _CYAN_("Flash memory Information") " ---------");
|
|
PrintAndLogEx(INFO, "ID................... %s", sprint_hex_inrow(mem.flashid, sizeof(mem.flashid)));
|
|
PrintAndLogEx(INFO, "SHA1................. %s", sprint_hex_inrow(sha_hash, sizeof(sha_hash)));
|
|
PrintAndLogEx(
|
|
(res == PM3_SUCCESS) ? SUCCESS : FAILED,
|
|
"Signature............ ( %s )",
|
|
(res == PM3_SUCCESS) ? _GREEN_("ok") : _RED_("fail")
|
|
);
|
|
PrintAndLogEx(NORMAL, "");
|
|
PrintAndLogEx(INFO, "--- " _CYAN_("RDV4 RSA signature") " ---------------");
|
|
for (int i = 0; i < (sizeof(mem.signature) / 32); i++) {
|
|
PrintAndLogEx(INFO, " %s", sprint_hex_inrow(mem.signature + (i * 32), 32));
|
|
}
|
|
|
|
mbedtls_rsa_context rsa;
|
|
mbedtls_rsa_init(&rsa, MBEDTLS_RSA_PKCS_V15, 0);
|
|
|
|
rsa.len = RRG_RSA_KEY_LEN;
|
|
|
|
// add public key
|
|
mbedtls_mpi_read_string(&rsa.N, 16, RRG_RSA_N);
|
|
mbedtls_mpi_read_string(&rsa.E, 16, RRG_RSA_E);
|
|
|
|
// add private key
|
|
mbedtls_mpi_read_string(&rsa.D, 16, RSA_D);
|
|
mbedtls_mpi_read_string(&rsa.P, 16, RSA_P);
|
|
mbedtls_mpi_read_string(&rsa.Q, 16, RSA_Q);
|
|
mbedtls_mpi_read_string(&rsa.DP, 16, RSA_DP);
|
|
mbedtls_mpi_read_string(&rsa.DQ, 16, RSA_DQ);
|
|
mbedtls_mpi_read_string(&rsa.QP, 16, RSA_QP);
|
|
|
|
PrintAndLogEx(NORMAL, "");
|
|
PrintAndLogEx(INFO, "--- " _CYAN_("RDV4 RSA Public key") " --------------");
|
|
|
|
char str_exp[10];
|
|
char str_pk[261];
|
|
size_t exlen = 0, pklen = 0;
|
|
mbedtls_mpi_write_string(&rsa.E, 16, str_exp, sizeof(str_exp), &exlen);
|
|
mbedtls_mpi_write_string(&rsa.N, 16, str_pk, sizeof(str_pk), &pklen);
|
|
|
|
PrintAndLogEx(INFO, "Len.................. %"PRIu64, rsa.len);
|
|
PrintAndLogEx(INFO, "Exponent............. %s", str_exp);
|
|
PrintAndLogEx(INFO, "Public key modulus N");
|
|
PrintAndLogEx(INFO, " %.64s", str_pk);
|
|
PrintAndLogEx(INFO, " %.64s", str_pk + 64);
|
|
PrintAndLogEx(INFO, " %.64s", str_pk + 128);
|
|
PrintAndLogEx(INFO, " %.64s", str_pk + 192);
|
|
PrintAndLogEx(NORMAL, "");
|
|
|
|
bool is_keyok = (mbedtls_rsa_check_pubkey(&rsa) == 0);
|
|
PrintAndLogEx(
|
|
(is_keyok) ? SUCCESS : FAILED,
|
|
"RSA public key validation.... ( %s )",
|
|
(is_keyok) ? _GREEN_("ok") : _RED_("fail")
|
|
);
|
|
|
|
is_keyok = (mbedtls_rsa_check_privkey(&rsa) == 0);
|
|
PrintAndLogEx(
|
|
(is_keyok) ? SUCCESS : FAILED,
|
|
"RSA private key validation... ( %s )",
|
|
(is_keyok) ? _GREEN_("ok") : _RED_("fail")
|
|
);
|
|
|
|
|
|
// to be verified
|
|
uint8_t from_device[RRG_RSA_KEY_LEN];
|
|
memcpy(from_device, mem.signature, RRG_RSA_KEY_LEN);
|
|
|
|
// to be signed
|
|
uint8_t sign[RRG_RSA_KEY_LEN];
|
|
memset(sign, 0, RRG_RSA_KEY_LEN);
|
|
|
|
// Signing (private key)
|
|
if (shall_sign) {
|
|
PrintAndLogEx(NORMAL, "");
|
|
PrintAndLogEx(INFO, "--- " _CYAN_("Enter signing") " --------------------");
|
|
|
|
if (dlen == 8) {
|
|
mbedtls_sha1(id, sizeof(id), sha_hash);
|
|
}
|
|
PrintAndLogEx(INFO, "Signing %s", sprint_hex_inrow(sha_hash, sizeof(sha_hash)));
|
|
|
|
int is_signed = mbedtls_rsa_pkcs1_sign(&rsa, NULL, NULL, MBEDTLS_RSA_PRIVATE, MBEDTLS_MD_SHA1, 20, sha_hash, sign);
|
|
PrintAndLogEx(
|
|
(is_signed == 0) ? SUCCESS : FAILED,
|
|
"RSA signing.......... ( %s )",
|
|
(is_signed == 0) ? _GREEN_("ok") : _RED_("fail")
|
|
);
|
|
|
|
if (shall_write) {
|
|
rdv4_sign_write(sign, RRG_RSA_KEY_LEN);
|
|
}
|
|
PrintAndLogEx(INFO, "Signed");
|
|
for (int i = 0; i < (sizeof(sign) / 32); i++) {
|
|
PrintAndLogEx(INFO, " %s", sprint_hex_inrow(sign + (i * 32), 32));
|
|
}
|
|
}
|
|
|
|
// Verify (public key)
|
|
bool is_verified = (mbedtls_rsa_pkcs1_verify(&rsa, NULL, NULL, MBEDTLS_RSA_PUBLIC, MBEDTLS_MD_SHA1, 20, sha_hash, from_device) == 0);
|
|
mbedtls_rsa_free(&rsa);
|
|
|
|
PrintAndLogEx(
|
|
(is_verified) ? SUCCESS : FAILED,
|
|
"RSA verification..... ( %s )",
|
|
(is_verified) ? _GREEN_("ok") : _RED_("fail")
|
|
);
|
|
if (is_verified) {
|
|
PrintAndLogEx(SUCCESS, "Genuine Proxmark3 RDV4 signature detected");
|
|
}
|
|
|
|
PrintAndLogEx(NORMAL, "");
|
|
return PM3_SUCCESS;
|
|
}
|
|
|
|
static command_t CommandTable[] = {
|
|
{"help", CmdHelp, AlwaysAvailable, "This help"},
|
|
{"baudrate", CmdFlashmemSpiBaudrate, IfPm3Flash, "Set Flash memory Spi baudrate"},
|
|
{"spiffs", CmdFlashMemSpiFFS, IfPm3Flash, "High level SPI FileSystem Flash manipulation"},
|
|
{"info", CmdFlashMemInfo, IfPm3Flash, "Flash memory information"},
|
|
{"load", CmdFlashMemLoad, IfPm3Flash, "Load data into flash memory"},
|
|
{"dump", CmdFlashMemDump, IfPm3Flash, "Dump data from flash memory"},
|
|
{"wipe", CmdFlashMemWipe, IfPm3Flash, "Wipe data from flash memory"},
|
|
{NULL, NULL, NULL, NULL}
|
|
};
|
|
|
|
static int CmdHelp(const char *Cmd) {
|
|
(void)Cmd; // Cmd is not used so far
|
|
CmdsHelp(CommandTable);
|
|
return PM3_SUCCESS;
|
|
}
|
|
|
|
int CmdFlashMem(const char *Cmd) {
|
|
clearCommandBuffer();
|
|
return CmdsParse(CommandTable, Cmd);
|
|
}
|