Index: b/scd/apdu.c
===================================================================
--- b/scd/apdu.c
+++ b/scd/apdu.c
@@ -1825,8 +1825,12 @@
               reader_table[slot].is_spr532 = 1;
               reader_table[slot].pinpad_varlen_supported = 1;
             }
-          else if (strstr (reader_table[slot].rdrname, "ST-2xxx")
-                   || strstr (reader_table[slot].rdrname, "cyberJack")
+          else if (strstr (reader_table[slot].rdrname, "ST-2xxx"))
+            {
+              reader_table[slot].pcsc.pinmax = 15;
+              reader_table[slot].pinpad_varlen_supported = 1;
+            }
+          else if (strstr (reader_table[slot].rdrname, "cyberJack")
                    || strstr (reader_table[slot].rdrname, "DIGIPASS")
                    || strstr (reader_table[slot].rdrname, "Gnuk")
                    || strstr (reader_table[slot].rdrname, "KAAN"))
@@ -1891,8 +1895,12 @@
       reader_table[slot].is_spr532 = 1;
       reader_table[slot].pinpad_varlen_supported = 1;
     }
-  else if ((vendor == 0x046a && product == 0x003e)  /* Cherry ST-2xxx */
-           || vendor == 0x0c4b /* Tested with Reiner cyberJack GO */
+  else if (vendor == 0x046a && product == 0x003e) /* Cherry ST-2xxx */
+    {
+      reader_table[slot].pcsc.pinmax = 15;
+      reader_table[slot].pinpad_varlen_supported = 1;
+    }
+  else if (vendor == 0x0c4b /* Tested with Reiner cyberJack GO */
            || vendor == 0x1a44 /* Tested with Vasco DIGIPASS 920 */
            || vendor == 0x234b /* Tested with FSIJ Gnuk Token */
            || vendor == 0x0d46 /* Tested with KAAN Advanced??? */)
Index: b/scd/ccid-driver.c
===================================================================
--- b/scd/ccid-driver.c
+++ b/scd/ccid-driver.c
@@ -3316,6 +3316,7 @@
   size_t dummy_nresp;
   int testmode;
   int cherry_mode = 0;
+  int add_zero = 0;
   int enable_varlen = 0;
 
   testmode = !resp && !nresp;
@@ -3357,7 +3358,7 @@
       enable_varlen = 1;
       break;
     case VENDOR_CHERRY:
-      pininfo->maxlen = 25;
+      pininfo->maxlen = 15;
       enable_varlen = 1;
       /* The CHERRY XX44 keyboard echos an asterisk for each entered
          character on the keyboard channel.  We use a special variant
@@ -3366,6 +3367,7 @@
          Lc byte to the APDU.  It seems that it will be replaced with
          the actual length instead of being appended before the APDU
          is send to the card. */
+      add_zero = 1;
       if (handle->id_product != CHERRY_ST2000)
         cherry_mode = 1;
       break;
@@ -3488,7 +3490,7 @@
   msg[msglen++] = apdu_buf[1]; /* INS */
   msg[msglen++] = apdu_buf[2]; /* P1 */
   msg[msglen++] = apdu_buf[3]; /* P2 */
-  if (cherry_mode)
+  if (add_zero)
     msg[msglen++] = 0;
   else if (pininfo->fixedlen != 0)
     {