public void Decrypt(SecureString privatekey, string publickey)
{
if (!Security.Utils.IsBase64(privatekey))
{
throw new ArgumentException($"{nameof(privatekey)} must be Base64-encoded string");
}
if (!Security.Utils.IsBase64(publickey))
{
throw new ArgumentException($"{nameof(publickey)} must be Base64-encoded string");
}
using SecureString key = Security.Boxes.Asymmetric.Decrypt(EncryptedKey.Split(':')[1], privatekey, publickey, EncryptedKey.Split(':')[0]);
Plaintext = Security.Boxes.Symmetric.Decrypt(EncryptedMessage, key, Nonce);
}
