public void EmptyWrappedKey_ThrowsException()
{
var kuwp = new AesKeyUnwrapper(_key, EncryptionAlgorithm.Aes128CbcHmacSha256, KeyManagementAlgorithm.Aes128KW);
var unwrappedKey = new byte[0];
Assert.Throws <ArgumentNullException>(() => kuwp.TryUnwrapKey(ReadOnlySpan <byte> .Empty, unwrappedKey, null, out int keyWrappedBytesWritten));
Assert.Throws <ArgumentNullException>(() => kuwp.TryUnwrapKey(Array.Empty <byte>(), unwrappedKey, null, out int keyWrappedBytesWritten));
Assert.Throws <ArgumentNullException>(() => kuwp.TryUnwrapKey(default, unwrappedKey, null, out int keyWrappedBytesWritten));
public void WrapUnwrap()
{
var kwp = new AesKeyWrapper(_key, EncryptionAlgorithm.Aes128CbcHmacSha256, KeyManagementAlgorithm.Aes128KW);
byte[] wrappedKey = new byte[kwp.GetKeyWrapSize()];
var cek = kwp.WrapKey(_keyToWrap, null, wrappedKey);
var kuwp = new AesKeyUnwrapper(_key, EncryptionAlgorithm.Aes128CbcHmacSha256, KeyManagementAlgorithm.Aes128KW);
var unwrappedKey = new byte[kuwp.GetKeyUnwrapSize(wrappedKey.Length)];
var unwrapped = kuwp.TryUnwrapKey(wrappedKey, unwrappedKey, null, out int keyWrappedBytesWritten);
Assert.True(unwrapped);
}