{
  "_comment_KDD": "Optional 10-byte Key Diversification Data echoed in INITIALIZE UPDATE. When present and non-zero, the SCP02Key above is treated as the static MASTER GP key and diversified per-card via VISA-2 (separate K_ENC/K_MAC). All-zero or absent = no diversification (SCP02Key used directly).",
  "_comment_KVN": "Optional 1-byte Key Version Number reported in INITIALIZE UPDATE. Default 0x01 matches the GP factory key set on most JCOP cards. Use 0xFF for an uninitialized JCOP factory test card.",
  "UID": "00000000",
  "AID": "A0000003820013000101",
  "SCP02Key": "404142434445464748494A4B4C4D4E4F",
  "KDD": "00000000000000000000",
  "KVN": "01",
  "ATS": "1478F7B10280590180415254454346477300011B",
  "DefaultResponse": "6A82",
  "APDUResponses": [
    {
      "_comment": "Prefix-match SELECT by AID (A000000382001300010100) -> 9000 (ok) / 6A82 (file not found)",
      "APDU":     "00A404000AA000000382001300010100",
      "Response": "6A82"
    },
    {
      "_comment": "Check card credits: A0 D4 00 00 00 -> 00 00 90 00 (reply 0)",
      "APDU":     "A0D4000000",
      "Response": "00009000"
    }
  ]
}