/// <summary>
/// Compress the specified stream.
/// </summary>
/// <returns>A new <see cref="MimeKit.Cryptography.ApplicationPkcs7Mime"/> instance
/// containing the compressed content.</returns>
/// <param name="stream">The stream to compress.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="stream"/> is <c>null</c>.
/// </exception>
/// <exception cref="Org.BouncyCastle.Cms.CmsException">
/// An error occurred in the cryptographic message syntax subsystem.
/// </exception>
public ApplicationPkcs7Mime Compress(Stream stream)
{
if (stream == null)
throw new ArgumentNullException ("stream");
var compresser = new CmsCompressedDataGenerator ();
var processable = new CmsProcessableInputStream (stream);
var compressed = compresser.Generate (processable, CmsCompressedDataGenerator.ZLib);
var encoded = compressed.GetEncoded ();
return new ApplicationPkcs7Mime (SecureMimeType.CompressedData, new MemoryStream (encoded, false));
}
private CmsCompressedData GetStdData()
{
CmsProcessableByteArray testData = new CmsProcessableByteArray(TEST_DATA);
CmsCompressedDataGenerator gen = new CmsCompressedDataGenerator();
return gen.Generate(testData, CmsCompressedDataGenerator.ZLib);
}