- markus@cvs.openbsd.org 2002/03/24 18:05:29
[scard.c]
we need to figure out AUT0 for sc_private_encrypt, too
diff --git a/scard.c b/scard.c
index a8ee2fe..9b2d776 100644
--- a/scard.c
+++ b/scard.c
@@ -24,7 +24,7 @@
#include "includes.h"
#ifdef SMARTCARD
-RCSID("$OpenBSD: scard.c,v 1.22 2002/03/21 21:54:34 rees Exp $");
+RCSID("$OpenBSD: scard.c,v 1.23 2002/03/24 18:05:29 markus Exp $");
#include <openssl/engine.h>
#include <openssl/evp.h>
@@ -192,6 +192,32 @@
return status;
}
+static int
+try_AUT0(void)
+{
+ u_char aut0[EVP_MAX_MD_SIZE];
+
+ /* permission denied; try PIN if provided */
+ if (sc_pin && strlen(sc_pin) > 0) {
+ sc_mk_digest(sc_pin, aut0);
+ if (cyberflex_verify_AUT0(sc_fd, cla, aut0, 8) < 0) {
+ error("smartcard passphrase incorrect");
+ return (-1);
+ }
+ } else {
+ /* try default AUT0 key */
+ if (cyberflex_verify_AUT0(sc_fd, cla, DEFAUT0, 8) < 0) {
+ /* default AUT0 key failed; prompt for passphrase */
+ if (get_AUT0(aut0) < 0 ||
+ cyberflex_verify_AUT0(sc_fd, cla, aut0, 8) < 0) {
+ error("smartcard passphrase incorrect");
+ return (-1);
+ }
+ }
+ }
+ return (0);
+}
+
/* private key operations */
static int
@@ -199,7 +225,6 @@
int padding)
{
u_char *padded = NULL;
- u_char aut0[EVP_MAX_MD_SIZE];
int sw, len, olen, status = -1;
debug("sc_private_decrypt called");
@@ -219,24 +244,8 @@
sectok_apdu(sc_fd, CLA_SSH, INS_DECRYPT, 0, 0, len, from, len, padded, &sw);
if (sw == 0x6982) {
- /* permission denied; try PIN if provided */
- if (sc_pin && strlen(sc_pin) > 0) {
- sc_mk_digest(sc_pin, aut0);
- if (cyberflex_verify_AUT0(sc_fd, cla, aut0, 8) < 0) {
- error("smartcard passphrase incorrect");
- goto err;
- }
- } else {
- /* try default AUT0 key */
- if (cyberflex_verify_AUT0(sc_fd, cla, DEFAUT0, 8) < 0) {
- /* default AUT0 key failed; prompt for passphrase */
- if (get_AUT0(aut0) < 0 ||
- cyberflex_verify_AUT0(sc_fd, cla, aut0, 8) < 0) {
- error("smartcard passphrase incorrect");
- goto err;
- }
- }
- }
+ if (try_AUT0() < 0)
+ goto err;
sectok_apdu(sc_fd, CLA_SSH, INS_DECRYPT, 0, 0, len, from, len, padded, &sw);
}
if (!sectok_swOK(sw)) {
@@ -278,8 +287,13 @@
goto err;
}
sectok_apdu(sc_fd, CLA_SSH, INS_DECRYPT, 0, 0, len, padded, len, to, &sw);
+ if (sw == 0x6982) {
+ if (try_AUT0() < 0)
+ goto err;
+ sectok_apdu(sc_fd, CLA_SSH, INS_DECRYPT, 0, 0, len, padded, len, to, &sw);
+ }
if (!sectok_swOK(sw)) {
- error("sc_private_decrypt: INS_DECRYPT failed: %s",
+ error("sc_private_encrypt: INS_DECRYPT failed: %s",
sectok_get_sw(sw));
goto err;
}