/// <summary>
/// Unwraps a symmetric key using the specified wrapping key and algorithm.
/// </summary>
/// <param name="wrappingKey">The wrapping key</param>
/// <param name="wrappedKey">The symmetric key to unwrap</param>
/// <param name="algorithm">The algorithm to use</param>
/// <returns>The unwrapped key</returns>
public static async Task <KeyOperationResult> UnwrapKeyAsync(this KeyVaultClient client, KeyBundle wrappingKey, byte[] wrappedKey, string algorithm)
{
if (wrappingKey == null)
{
throw new ArgumentNullException("wrappingKey");
}
return(await client.UnwrapKeyAsync(wrappingKey.Key, wrappedKey, algorithm).ConfigureAwait(false));
}
public Task <byte[]> UnwrapKeyAsync(byte[] ciphertext, string algorithm = null, CancellationToken token = default(CancellationToken))
{
if (_implementation == null)
{
throw new ObjectDisposedException("KeyVaultKey");
}
if (string.IsNullOrWhiteSpace(algorithm))
{
algorithm = DefaultKeyWrapAlgorithm;
}
// Never local
return(_client.UnwrapKeyAsync(_implementation.Kid, algorithm, ciphertext, token)
.ContinueWith(result => result.Result.Result, token));
}