public async Task <(byte[] Token, C25519Cipher Challenge)> Challenge(Guid viud, Guid keyId)
{
var response = await _client.GetAsync($"api/cvk/challenge/{viud}/{keyId}");
if (response.StatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException(response.ToString());
}
var res = JsonSerializer.Deserialize <Dictionary <string, byte[]> >(await response.Content.ReadAsStringAsync());
return(res["token"], C25519Cipher.Parse(res["challenge"]));
}
public static C25519Point GetCipherC1(byte[] dataBuffer)
{
return(C25519Cipher.Parse(dataBuffer.Take(EncryptionSize).ToArray()).C1);
}
public static C25519Cipher CipherFromAsymmetric(byte [] data)
{
return(C25519Cipher.Parse(data.Take(32 * 3).ToArray()));
}
