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emrtd: add a PACE display to hf emrtd info

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Also reword things so that they don't misuse BAC in place of any form of
passive authentication
This commit is contained in:
Ave 2021-02-20 22:28:03 +03:00
commit 71b73cad0f
1 changed files with 14 additions and 5 deletions
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19
client/src/cmdhfemrtd.c
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@ -992,7 +992,7 @@ static bool emrtd_do_auth(char *documentnumber, char *dob, char *expiry, bool BA
// Select EF_COM
if (emrtd_select_file(EMRTD_P1_SELECT_BY_EF, dg_table[EF_COM].fileid, *use_14b) == false) {
*BAC = true;
PrintAndLogEx(INFO, "Basic Access Control is enforced. Will attempt external authentication.");
PrintAndLogEx(INFO, "Authentication is enforced. Will attempt external authentication.");
} else {
*BAC = false;
// Select EF_DG1
@ -1000,7 +1000,7 @@ static bool emrtd_do_auth(char *documentnumber, char *dob, char *expiry, bool BA
if (emrtd_read_file(response, &resplen, NULL, NULL, NULL, false, *use_14b) == false) {
*BAC = true;
PrintAndLogEx(INFO, "Basic Access Control is enforced. Will attempt external authentication.");
PrintAndLogEx(INFO, "Authentication is enforced. Will attempt external authentication.");
} else {
*BAC = false;
}
@ -1010,7 +1010,7 @@ static bool emrtd_do_auth(char *documentnumber, char *dob, char *expiry, bool BA
if (*BAC) {
// If BAC isn't available, exit out and warn user.
if (!BAC_available) {
PrintAndLogEx(ERR, "This eMRTD enforces Basic Access Control, but you didn't supply MRZ data. Cannot proceed.");
PrintAndLogEx(ERR, "This eMRTD enforces authentication, but you didn't supply MRZ data. Cannot proceed.");
PrintAndLogEx(HINT, "Check out hf emrtd info/dump --help, supply data with -n -d and -e.");
return false;
}
@ -1733,6 +1733,7 @@ int infoHF_EMRTD(char *documentnumber, char *dob, char *expiry, bool BAC_availab
uint8_t ks_enc[16] = { 0x00 };
uint8_t ks_mac[16] = { 0x00 };
bool BAC = false;
bool PACE_available = true;
bool use_14b = false;
// Select the eMRTD
@ -1741,13 +1742,20 @@ int infoHF_EMRTD(char *documentnumber, char *dob, char *expiry, bool BAC_availab
return PM3_ESOFT;
}
// Read EF_CardAccess
if (!emrtd_select_and_read(response, &resplen, dg_table[EF_CardAccess].fileid, ks_enc, ks_mac, ssc, BAC, use_14b)) {
PACE_available = false;
PrintAndLogEx(HINT, "The error above this is normal. It just means that your eMRTD lacks PACE.");
}
// Select and authenticate with the eMRTD
bool auth_result = emrtd_do_auth(documentnumber, dob, expiry, BAC_available, &BAC, ssc, ks_enc, ks_mac, &use_14b);
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(INFO, "------------------ " _CYAN_("Basic Info") " ------------------");
PrintAndLogEx(SUCCESS, "Communication standard: %s", use_14b ? _YELLOW_("ISO/IEC 14443(B)") : _YELLOW_("ISO/IEC 14443(A)"));
PrintAndLogEx(SUCCESS, "BAC...................: %s", BAC ? _GREEN_("Enforced") : _RED_("Not enforced"));
PrintAndLogEx(SUCCESS, "Authentication........: %s", BAC ? _GREEN_("Enforced") : _RED_("Not enforced"));
PrintAndLogEx(SUCCESS, "PACE..................: %s", PACE_available ? _GREEN_("Available") : _YELLOW_("Not available"));
PrintAndLogEx(SUCCESS, "Authentication result.: %s", auth_result ? _GREEN_("Successful") : _RED_("Failed"));
if (!auth_result) {
@ -1755,6 +1763,7 @@ int infoHF_EMRTD(char *documentnumber, char *dob, char *expiry, bool BAC_availab
return PM3_ESOFT;
}
// Read EF_COM to get file list
if (!emrtd_select_and_read(response, &resplen, dg_table[EF_COM].fileid, ks_enc, ks_mac, ssc, BAC, use_14b)) {
PrintAndLogEx(ERR, "Failed to read EF_COM.");
DropField();
@ -1776,7 +1785,7 @@ int infoHF_EMRTD(char *documentnumber, char *dob, char *expiry, bool BAC_availab
return PM3_ESOFT;
}
// Grab the hash list
// Grab the hash list from EF_SOD
uint8_t dg_hashes_sod[17][64] = { { 0 } };
uint8_t dg_hashes_calc[17][64] = { { 0 } };
int hash_algo = 0;