diff options
Diffstat (limited to 'docs/chapters/using_sniff.xml')
| -rw-r--r-- | docs/chapters/using_sniff.xml | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/docs/chapters/using_sniff.xml b/docs/chapters/using_sniff.xml index 83ca6ea..95cd1c2 100644 --- a/docs/chapters/using_sniff.xml +++ b/docs/chapters/using_sniff.xml @@ -51,9 +51,21 @@ simtrace - GSM SIM and smartcard tracing <section id="known_firmware_issues"> <title>Known Firmware Issues</title> - <para>For some SIM Cards the ATR and the first APDU are sent in the - same USB message and the host utility fails to split the APDUs - properly. A band-aid for the firmware exists.</para> + <section> + <title>Combined ATR/APDU message</title> + <para>For some cards the firmware does not send an USB message at + the end of the ATR. The ATR and first APDU will be send in one message + and the host utility fails to split APDUs and nothing will be traced. + A band-aid for the firmware exists and can be found on the mailinglist. + </para> + </section> + <section> + <title>Lost bytes</title> + <para>For some new high speed cards the firmware can lose bytes. The + issue appears to be when the received bytes will be copied to the memory + of the USB controller. The workaround is to reduce the size of the buffer. + </para> + </section> </section> <section id="other_modes"> |