static void GenerateKeys(string fileName)
{
if (fileName == null)
{
fileName = "ServerKeys.cbor";
}
KeySet keys = new KeySet();
OneKey key;
for (int i = 0; i < 4; i++)
{
key = new OneKey();
key.Add(CoseKeyKeys.KeyType, GeneralValues.KeyType_Octet);
if (i == 3)
{
key.Add(CoseKeyKeys.KeyIdentifier, CBORObject.FromObject(Encoding.UTF8.GetBytes("Key#2")));
}
else
{
key.Add(CoseKeyKeys.KeyIdentifier,
CBORObject.FromObject(Encoding.UTF8.GetBytes("Key#" + i.ToString())));
}
if (i == 3)
{
key.Add(CoseKeyKeys.Algorithm, AlgorithmValues.AES_CCM_64_128_128);
}
else
{
key.Add(CoseKeyKeys.Algorithm, AlgorithmValues.AES_CCM_64_64_128);
}
key.Add(CBORObject.FromObject("KDF"), AlgorithmValues.dir_kdf);
key.Add(CBORObject.FromObject("SenderID"), CBORObject.FromObject(Encoding.UTF8.GetBytes("client")));
key.Add(CBORObject.FromObject("RecipID"), CBORObject.FromObject(Encoding.UTF8.GetBytes("server")));
byte[] keyValue = new byte[35];
for (int j = 0; j < keyValue.Length; j++)
{
keyValue[j] = (byte)(((i + 1) * (j + 1)));
}
key.Add(CoseKeyParameterKeys.Octet_k, CBORObject.FromObject(keyValue));
keys.AddKey(key);
}
FileStream fs = new FileStream(fileName, FileMode.Create);
using (BinaryWriter writer = new BinaryWriter(fs)) {
writer.Write(keys.EncodeToBytes());
writer.Close();
}
Environment.Exit(0);
}