/*Load Key
* Send
* FF 82 00 00 06 FF FF FF FF FF FF
* or
* FF 82 [KeyStructure:00(all others are reserved for fu)] [KeyNumber:00-01] 06 [KeyChunk0:**] [KeyChunk0:**] [KeyChunk0:**] [KeyChunk0:**] [KeyChunk0:**] [KeyChunk0:**]
* Returns
* 90 00
*/
/// <summary>
/// Loads Athentication Keys into the system
/// </summary>
/// <param name="Key">A enumeration as 1 or 2 for posible memory locations</param>
/// <param name="KeyValue">The Key Value to use. Length must be six</param>
/// <returns></returns>
public ACR122U_ResposeErrorCodes LoadAthenticationKeys(ACR122U_KeyMemories Key, byte[] KeyValue)//only for mifare 1k cards
{
byte[] Return;
if (!Enum.IsDefined(typeof(ACR122U_KeyMemories), Key))
{
throw new Exception("Your Key Load location is not a valid one.");
}
if (KeyValue.Length != 6)
{
throw new Exception("Your Key has too many or too few bites.\nKeys must have 6 bytes.");
}
byte[] CommandAsBytes = new byte[11] {
0xFF, 0x82, 0x00, (byte)Key, 0x06, KeyValue[0], KeyValue[1], KeyValue[2], KeyValue[3], KeyValue[4], KeyValue[5]
};
TransmitData(CommandAsBytes, out Return);
LastACRResultCode = RetrieveDataCodes(ref Return);
return(LastACRResultCode);
}
/*Load Key
* Send
* FF 86 00 00 05 01 00 00 60 01
* or
* FF 86 00 00 05 01 00 [Block:00-FF] 6{000<KeyType:0=A,1=B>} [KeyNumber:00-01]
* Returns
* 90 00
* Note in a 4 block sector the last block is the key block
*/
/// <summary>
/// Uses prev loaded Athentication Keys to Athenticate
/// </summary>
/// <param name="Key">A enumeration as A or B</param>
/// <param name="KeyToUse">A enumeration as 1 or 2 for posible memory locations</param>
/// <returns></returns>
public ACR122U_ResposeErrorCodes Athentication(byte BlockToAthenticate, ACR122U_Keys Key, ACR122U_KeyMemories KeyToUse)
{
if (!Enum.IsDefined(typeof(ACR122U_KeyMemories), KeyToUse))
{
throw new Exception("Your Key Load location is not a valid one.");
}
if (!Enum.IsDefined(typeof(ACR122U_Keys), Key))
{
throw new Exception("Your Key Selection is not a valid one.");
}
byte[] Return;
byte[] CommandAsBytes = new byte[10] {
0xFF, 0x86, 0x00, 0x00, 0x05, 0x01, 0x00, BlockToAthenticate, (byte)(0x60 | (byte)Key), (byte)KeyToUse
};
TransmitData(CommandAsBytes, out Return);
LastACRResultCode = RetrieveDataCodes(ref Return);
return(LastACRResultCode);
}
