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Relocated write requests of function „4x50_wipe" from device to client

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tharexde 2020-11-11 22:36:24 +01:00
commit 5d34efc6e6
4 changed files with 0 additions and 68 deletions
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62
armsrc/em4x50.c
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@ -1111,68 +1111,6 @@ void em4x50_writepwd(em4x50_data_t *etd) {
reply_ng(CMD_LF_EM4X50_WRITEPWD, res, 0, 0);
}
void em4x50_wipe(uint32_t *password) {
// set all data of EM4x50 tag to 0x0 including password
bool bsuccess = false;
uint32_t addresses = 0x00001E01; // from fwr = 1 to lwr = 31 (0x1E)
uint32_t words[EM4X50_NO_WORDS] = {0x0};
uint32_t zero = 0x0;
em4x50_setup_read();
// set gHigh and gLow
if (get_signalproperties() && find_em4x50_tag()) {
// login first
if (login(*password)) {
// write 0x0 to each address but ignore addresses
// 0 -> password, 32 -> serial, 33 -> uid
for (int i = 1; i <= 33; i++)
write(zero, i);
// to verify result -> reset EM4x50
if (reset()) {
// login not necessary because protected word has been set to 0
// -> no read protected words
// -> selective read can be called immediately
if (selective_read(addresses, words)) {
// check if everything is zero
bsuccess = true;
for (int i = 1; i <= 33; i++)
bsuccess &= (words[i] == 0);
}
if (bsuccess) {
// so far everything is fine
// last task: reset password
if (login(*password)) {
int res = write_password(*password, zero);
if (res == PM3_ETEAROFF) {
lf_finalize();
return;
}
bsuccess = (res == PM3_SUCCESS);
}
// verify by login with new password
if (bsuccess)
bsuccess = login(zero);
}
}
}
}
lf_finalize();
reply_ng(CMD_LF_EM4X50_WIPE, bsuccess, 0, 0);
}
void em4x50_reset(void) {
// reset EM4x50