MimeKit.MimeMessage.DkimHashBody C# (CSharp) Method

		byte[] DkimHashBody (FormatOptions options, DkimSignatureAlgorithm signatureAlgorithm, DkimCanonicalizationAlgorithm bodyCanonicalizationAlgorithm, int maxLength)
		{
			using (var stream = new DkimHashStream (signatureAlgorithm, maxLength)) {
				using (var filtered = new FilteredStream (stream)) {
					DkimBodyFilter dkim;

					if (bodyCanonicalizationAlgorithm == DkimCanonicalizationAlgorithm.Relaxed)
						dkim = new DkimRelaxedBodyFilter ();
					else
						dkim = new DkimSimpleBodyFilter ();

					filtered.Add (options.CreateNewLineFilter ());
					filtered.Add (dkim);

					if (Body != null) {
						try {
							Body.EnsureNewLine = compliance == RfcComplianceMode.Strict;
							Body.Headers.Suppress = true;
							Body.WriteTo (options, filtered, CancellationToken.None);
						} finally {
							Body.Headers.Suppress = false;
							Body.EnsureNewLine = false;
						}
					}

					filtered.Flush ();

					if (!dkim.LastWasNewLine)
						stream.Write (options.NewLineBytes, 0, options.NewLineBytes.Length);
				}

				return stream.GenerateHash ();
			}
		}