diff options
Diffstat (limited to 'scd/app-openpgp.c')
| -rw-r--r-- | scd/app-openpgp.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/scd/app-openpgp.c b/scd/app-openpgp.c index fddc3b8cf..db5188e33 100644 --- a/scd/app-openpgp.c +++ b/scd/app-openpgp.c @@ -2608,7 +2608,38 @@ do_change_pin (app_t app, ctrl_t ctrl, const char *chvnostr, pininfo.minlen = minlen; if ((flags & APP_CHANGE_FLAG_CLEAR)) - return gpg_error (GPG_ERR_UNSUPPORTED_OPERATION); + { + unsigned char apdu[4]; + + if (!app->app_local->extcap.is_v2) + return GPG_ERR_UNSUPPORTED_OPERATION; + + apdu[0] = 0x00; + apdu[1] = ISO7816_VERIFY; + apdu[2] = 0xff; + apdu[3] = 0x80+chvno; + + rc = iso7816_apdu_direct (app->slot, apdu, 4, 0, NULL, NULL, NULL); + if (rc) + { + if (rc == GPG_ERR_INV_VALUE) + rc = GPG_ERR_UNSUPPORTED_OPERATION; + return rc; + } + + if (chvno == 1) + { + apdu[3]++; + rc = iso7816_apdu_direct (app->slot, apdu, 4, 0, NULL, NULL, NULL); + app->did_chv1 = app->did_chv2 = 0; + } + else if (chvno == 2) + app->did_chv2 = 0; + else if (chvno == 3) + app->did_chv3 = 0; + + return rc; + } if (reset_mode && chvno == 3) { |