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adapting epa cnonces

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This commit is contained in:
iceman1001
2020-08-17 22:06:54 +02:00
parent e0c5995ab2
commit 6b8c5e0d24
2 changed files with 97 additions and 58 deletions
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37
client/src/cmdhfepa.c
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@@ -14,6 +14,7 @@
#include <stdio.h>
#include <inttypes.h>
#include <stdlib.h>
#include <ctype.h> // tolower
#include "cmdparser.h" // command_t
#include "commonutil.h" // ARRAYLEN
@@ -23,8 +24,27 @@
static int CmdHelp(const char *Cmd);
static int usage_epa_collect(void) {
PrintAndLogEx(NORMAL, "Tries to collect nonces when doing part of PACE protocol.\n"
"\n"
"Usage: hf epa cnonces <m> <n> <d>\n"
"Options:\n"
"\t<m> nonce size\n"
"\t<n> number of nonces to collect\n"
"\t<d> delay between\n"
"\n"
"Example:\n"
_YELLOW_("\thf epa cnonces 4 4 1")
);
return PM3_SUCCESS;
}
// Perform (part of) the PACE protocol
static int CmdHFEPACollectPACENonces(const char *Cmd) {
char cmdp = tolower(param_getchar(Cmd, 0));
if (cmdp == 'h') return usage_epa_collect();
// requested nonce size
uint32_t m = 0;
// requested number of Nonces
@@ -40,13 +60,20 @@ static int CmdHFEPACollectPACENonces(const char *Cmd) {
PrintAndLogEx(SUCCESS, "Collecting %u %u byte nonces", n, m);
PrintAndLogEx(SUCCESS, "Start: %" PRIu64, msclock() / 1000);
// repeat n times
struct p {
uint32_t m;
} PACKED payload;
payload.m = m;
for (uint32_t i = 0; i < n; i++) {
// execute PACE
clearCommandBuffer();
SendCommandMIX(CMD_HF_EPA_COLLECT_NONCE, (int)m, 0, 0, NULL, 0);
PacketResponseNG resp;
WaitForResponse(CMD_ACK, &resp);
clearCommandBuffer();
SendCommandNG(CMD_HF_EPA_COLLECT_NONCE, (uint8_t*)&payload, sizeof(payload));
WaitForResponse(CMD_HF_EPA_COLLECT_NONCE, &resp);
// check if command failed
if (resp.oldarg[0] != 0) {
@@ -65,6 +92,7 @@ static int CmdHFEPACollectPACENonces(const char *Cmd) {
sleep(d);
}
}
PrintAndLogEx(SUCCESS, "End: %" PRIu64, msclock() / 1000);
return PM3_SUCCESS;
}
@@ -155,6 +183,7 @@ static int CmdHFEPAPACEReplay(const char *Cmd) {
clearCommandBuffer();
SendCommandMIX(CMD_HF_EPA_REPLAY, 0, 0, 0, NULL, 0);
WaitForResponse(CMD_ACK, &resp);
if (resp.oldarg[0] != 0) {
PrintAndLogEx(SUCCESS, "\nPACE replay failed in step %u!", (uint32_t)resp.oldarg[0]);
PrintAndLogEx(SUCCESS, "Measured times:");