FULL PRODUCT VERSION :


ADDITIONAL OS VERSION INFORMATION :
WIndows

A DESCRIPTION OF THE PROBLEM :
The JAVA smart card libraries give an error on this APDU: 00 cb 3f ff 00 00 05 5c 03 5f c1 08 00 00

 javax.smartcardio.CardException: sun.security.smartcardio.PCSCException: Unknown error 0x7a
 it turns out that Windows defines an error 122L == 0x7A of
  MessageId: ERROR_INSUFFICIENT_BUFFER
  MessageText: The data area passed to a system call is too small.

So we just can't use ExtendedData for the facial image which is a shame
because that is the object that most needs the speedup.

The bug is in http://searchcode.com/codesearch/view/17992359 and the buffer is 8192.



A Facial image of 6554 bytes works with extendedData.
A Facial image of 9407 bytes fails with Java extendedData, but works just fine with C++ access to PC/SC.
 

You can see the problem in the code that SUN did:
 
#define MAX_STACK_BUFFER_SIZE 8192
 
JNIEXPORT jbyteArray JNICALL Java_sun_security_smartcardio_PCSC_SCardControl
    (JNIEnv *env, jclass thisClass, jlong jCard, jint jControlCode, jbyteArray jSendBuffer)
{
    SCARDHANDLE card = (SCARDHANDLE)jCard;
    LONG rv;
    jbyte* sendBuffer = (*env)->GetByteArrayElements(env, jSendBuffer, NULL);
    jint sendBufferLength = (*env)->GetArrayLength(env, jSendBuffer);
    jbyte receiveBuffer[MAX_STACK_BUFFER_SIZE];
    jint receiveBufferLength = MAX_STACK_BUFFER_SIZE;
 



STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Try a SP800-73-4 GET Data command with extended length when there is more than 8K of data available

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
All data should be read

REPRODUCIBILITY :
This bug can be reproduced always.