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Adding INS A5 to select DO with multiple instances.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-05-15 19:40:17 +02:00
parent 32c6f60b49
commit a0384f67ca
1 changed files with 30 additions and 0 deletions
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30
src/openpgp/openpgp.c
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@@ -1702,6 +1702,34 @@ static int cmd_version() {
return SW_OK();
}
static int cmd_select_data() {
file_t *ef = NULL;
uint16_t fid = 0x0;
if (P2(apdu) != 0x4)
return SW_WRONG_P1P2();
if (apdu.cmd_apdu_data[0] != 0x60)
return SW_WRONG_DATA();
if (apdu.cmd_apdu_data_len != apdu.cmd_apdu_data[1]+2 || apdu.cmd_apdu_data_len < 5)
return SW_WRONG_LENGTH();
if (apdu.cmd_apdu_data[2] != 0x5C)
return SW_WRONG_DATA();
if (apdu.cmd_apdu_data[3] == 2)
fid = (apdu.cmd_apdu_data[4] << 8) | apdu.cmd_apdu_data[5];
else
fid = apdu.cmd_apdu_data[4];
if (!(ef = search_by_fid(fid, NULL, SPECIFY_EF)))
return SW_REFERENCE_NOT_FOUND();
if (!authenticate_action(ef, ACL_OP_UPDATE_ERASE)) {
return SW_SECURITY_STATUS_NOT_SATISFIED();
}
fid &= ~0x6000; //Now get private DO
fid += P1(apdu);
if (!(ef = search_by_fid(fid, NULL, SPECIFY_EF)))
return SW_REFERENCE_NOT_FOUND();
select_file(ef);
return SW_OK();
}
typedef struct cmd
{
uint8_t ins;
@@ -1718,6 +1746,7 @@ typedef struct cmd
#define INS_CHALLENGE 0x84
#define INS_INTERNAL_AUT 0x88
#define INS_SELECT 0xA4
#define INS_SELECT_DATA 0xA5
#define INS_GET_DATA 0xCA
#define INS_PUT_DATA 0xDA
#define INS_IMPORT_DATA 0xDB
@@ -1740,6 +1769,7 @@ static const cmd_t cmds[] = {
{ INS_MSE, cmd_mse },
{ INS_IMPORT_DATA, cmd_import_data },
{ INS_VERSION, cmd_version },
{ INS_SELECT_DATA, cmd_select_data },
{ 0x00, 0x0}
};