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-rw-r--r--apps/iap/iap-core.c3
-rw-r--r--apps/iap/iap-core.h1
-rw-r--r--apps/iap/iap-lingo0.c23
3 files changed, 24 insertions, 3 deletions
diff --git a/apps/iap/iap-core.c b/apps/iap/iap-core.c
index 4fa9c09a47..9e5771ab50 100644
--- a/apps/iap/iap-core.c
+++ b/apps/iap/iap-core.c
@@ -718,7 +718,8 @@ void iap_periodic(void)
* is in the RX buffer right now.
*/
IAP_TX_INIT(0x00, 0x17);
- IAP_TX_PUT_DATA(iap_rxstart, 20);
+ IAP_TX_PUT_DATA(iap_rxstart,
+ (device.auth.version == 0x100) ? 16 : 20);
IAP_TX_PUT(0x01);
iap_send_tx();
diff --git a/apps/iap/iap-core.h b/apps/iap/iap-core.h
index d06e3c300c..61b72d4ca2 100644
--- a/apps/iap/iap-core.h
+++ b/apps/iap/iap-core.h
@@ -88,6 +88,7 @@ struct auth_t {
enum authen_state state; /* Current state of authentication */
unsigned char max_section; /* The maximum number of certificate sections */
unsigned char next_section; /* The next expected section number */
+ uint16_t version; /* Authentication version */
};
/* State of GetAccessoryInfo */
diff --git a/apps/iap/iap-lingo0.c b/apps/iap/iap-lingo0.c
index 9e0355cb3f..e69b42beae 100644
--- a/apps/iap/iap-lingo0.c
+++ b/apps/iap/iap-lingo0.c
@@ -603,8 +603,27 @@ void iap_handlepkt_mode0(const unsigned int len, const unsigned char *buf)
break;
}
- /* We only support version 2.0 */
- if ((buf[2] != 2) || (buf[3] != 0)) {
+ device.auth.version = (buf[2] << 8) | buf[3];
+
+ /* We support authentication versions 1.0 and 2.0 */
+ if (device.auth.version == 0x100) {
+ /* If we could really do authentication we'd have to
+ * check the certificate here. Since we can't, just acknowledge
+ * the packet with an "everything OK" AckDevAuthenticationInfo
+ *
+ * Skip GetAccessoryInfo process, this command together with
+ * authentication level 2 were added in iAP release 24, it is
+ * not be supported by devices authenticating at level 1.
+ */
+ IAP_TX_INIT(0x00, 0x16);
+ IAP_TX_PUT(0x00);
+
+ iap_send_tx();
+ device.auth.state = AUST_CERTDONE;
+ break;
+ }
+
+ if (device.auth.version != 0x200) {
/* Version mismatches are signalled by AckDevAuthenticationInfo
* with the status set to Authentication Information unsupported
*/