private SessionKeyInfo EncryptKey()
{
var rsa = UidaiKey.GetRSAPublicKey();
if (rsa == null)
{
throw new ArgumentNullException(nameof(UidaiKey), NoPublicKey);
}
// For normal session key, syncKey is always null.
var key = Convert.ToBase64String(syncKey ?? rsa.Encrypt(aes.Key, RSAEncryptionPadding.Pkcs1));
GenerateKey();
return(new SessionKeyInfo
{
CertificateIdentifier = UidaiKey.NotAfter,
Key = key,
KeyIdentifier = KeyIdentifier
});
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
/// <param name="disposing">true if the method call comes from a <see cref="Dispose(bool)"/>; otherwise false.</param>
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
aes.Dispose();
random?.Dispose();
if (!leaveOpen)
{
UidaiKey.Dispose();
}
if (seedKey != null)
{
Array.Clear(seedKey, 0, seedKey.Length);
}
if (syncKey != null)
{
Array.Clear(syncKey, 0, syncKey.Length);
}
}
disposedValue = true;
}
}
