diff options
| -rw-r--r-- | libcacard/cac.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libcacard/cac.c b/libcacard/cac.c index ae8c3784b9..f38fdceddd 100644 --- a/libcacard/cac.c +++ b/libcacard/cac.c @@ -115,6 +115,7 @@ cac_applet_pki_process_apdu(VCard *card, VCardAPDU *apdu, VCardAppletPrivate *applet_private; int size, next; unsigned char *sign_buffer; + bool retain_sign_buffer = FALSE; vcard_7816_status_t status; VCardStatus ret = VCARD_FAIL; @@ -178,6 +179,7 @@ cac_applet_pki_process_apdu(VCard *card, VCardAPDU *apdu, pki_applet->sign_buffer = sign_buffer; pki_applet->sign_buffer_len = size; *response = vcard_make_response(VCARD7816_STATUS_SUCCESS); + retain_sign_buffer = TRUE; break; case 0x00: /* we now have the whole buffer, do the operation, result will be @@ -200,9 +202,11 @@ cac_applet_pki_process_apdu(VCard *card, VCardAPDU *apdu, VCARD7816_STATUS_ERROR_P1_P2_INCORRECT); break; } - g_free(sign_buffer); - pki_applet->sign_buffer = NULL; - pki_applet->sign_buffer_len = 0; + if (!retain_sign_buffer) { + g_free(sign_buffer); + pki_applet->sign_buffer = NULL; + pki_applet->sign_buffer_len = 0; + } ret = VCARD_DONE; break; case CAC_READ_BUFFER: |