dearsky/pico-openpgp
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Introduce GET BULK DATA to execute GET DATA in multiple DO with a single APDU.

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It saves considerable bandwidth since only one APDU/RAPDU are transmitted.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-02-19 18:30:50 +01:00
parent 1f037da326
commit 0b7beeec8c
3 changed files with 12 additions and 2 deletions
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2
pico-keys-sdk

Submodule pico-keys-sdk updated: 57e88f85ee...6b483029a5

7
src/openpgp/cmd_get_data.c
View File

@@ -140,3 +140,10 @@ int cmd_get_next_data() {
select_file(ef); select_file(ef);
return cmd_get_data(); return cmd_get_data();
} }
int cmd_get_bulk_data() {
if (apdu.nc < 3) {
return SW_WRONG_LENGTH();
}
return bulk_cmd(cmd_get_data);
}

5
src/openpgp/openpgp.c
View File

@@ -793,6 +793,7 @@ extern int cmd_terminate_df();
extern int cmd_pso(); extern int cmd_pso();
extern int cmd_keypair_gen(); extern int cmd_keypair_gen();
extern int cmd_reset_retry(); extern int cmd_reset_retry();
extern int cmd_get_bulk_data();
#define INS_VERIFY 0x20 #define INS_VERIFY 0x20
#define INS_MSE 0x22 #define INS_MSE 0x22
@@ -807,6 +808,7 @@ extern int cmd_reset_retry();
#define INS_SELECT_DATA 0xA5 #define INS_SELECT_DATA 0xA5
#define INS_GET_DATA 0xCA #define INS_GET_DATA 0xCA
#define INS_GET_NEXT_DATA 0xCC #define INS_GET_NEXT_DATA 0xCC
#define INS_GET_BULK_DATA 0xCE
#define INS_PUT_DATA 0xDA #define INS_PUT_DATA 0xDA
#define INS_IMPORT_DATA 0xDB #define INS_IMPORT_DATA 0xDB
#define INS_TERMINATE_DF 0xE6 #define INS_TERMINATE_DF 0xE6
@@ -830,7 +832,8 @@ static const cmd_t cmds[] = {
{ INS_VERSION, cmd_version_openpgp }, { INS_VERSION, cmd_version_openpgp },
{ INS_SELECT_DATA, cmd_select_data }, { INS_SELECT_DATA, cmd_select_data },
{ INS_GET_NEXT_DATA, cmd_get_next_data }, { INS_GET_NEXT_DATA, cmd_get_next_data },
{ 0x00, 0x0 } { INS_GET_BULK_DATA, cmd_get_bulk_data },
{ 0x00, NULL }
}; };
int openpgp_process_apdu() { int openpgp_process_apdu() {