protected override void EncodeParameters(Asn1Generator generator)
{
// Id
var id = new DerApplicationSpecific(TAG_PARAM_ID, BinaryParser.ConvertInt16(Id, ByteEndianess.BigEndian));
// Keyset - IA Modulus
var iaModulus = new DerApplicationSpecific(TAG_KEYSET_IAMODULUS, new byte[PlaidApplication.LENGTH_KEY_RSA]);
// Keyset - IA Exponent
var iaExponent = new DerApplicationSpecific(TAG_KEYSET_IAEXPONENT, new byte[PlaidApplication.LENGTH_PUBLIC_EXPONENT]);
// Keyset - FAKey
var faKey = new DerApplicationSpecific(TAG_KEYSET_FAKEY, new byte[PlaidApplication.LENGTH_KEY_AES]);
// Rules
List <DerOctetString> rules = new List <DerOctetString>();
foreach (var rule in Rules)
{
rules.Add(new DerOctetString(rule));
}
// Parameters (Choice)
var parameters = new DerSequenceGenerator(generator.GetRawOutputStream(), OP_KEY_CREATE, false);
parameters.AddObject(id);
parameters.AddObject(new DerApplicationSpecific(TAG_PARAM_KEY, new Asn1EncodableVector(iaModulus, iaExponent, faKey)));
parameters.AddObject(new DerApplicationSpecific(TAG_PARAM_RULES, new Asn1EncodableVector(rules.ToArray())));
parameters.Close();
// SamId
var samId = new DerApplicationSpecific(TAG_SAMID, BinaryParser.ConvertInt16(SamId, ByteEndianess.BigEndian));
generator.AddObject(samId);
}
protected override void EncodeParameters(Asn1Generator generator)
{
// Id
generator.AddObject(new DerApplicationSpecific(TAG_PARAM_ID, BinaryParser.ConvertInt16(Id, ByteEndianess.BigEndian)));
// Data
generator.AddObject(new DerApplicationSpecific(TAG_PARAM_DATA, Data));
}
public PACSAMKey ReadNextKey(short index)
{
byte[] indexBytes = BinaryParser.ConvertInt16(index, ByteEndianess.BigEndian);
// Transceive
RApdu response = Transcieve(CLA, (byte)PACSAMCommand.ReadNextKey, indexBytes[0], indexBytes[1]);
// Parse and test
if (response.IsError)
{
// Check specifically for the SW_RECORD_NOT_FOUND status
if (response.SW12 == 0x6A83)
{
return(null);
}
// A legit error
throw new Iso7816Exception(response.SW12, "ReadNextKey");
}
return(new PACSAMKey(response.Data));
}
