/// <summary>
/// Verify the signed-data and return the unencapsulated <see cref="MimeKit.MimeEntity"/>.
/// </summary>
/// <remarks>
/// Verifies the signed-data and returns the unencapsulated <see cref="MimeKit.MimeEntity"/>.
/// </remarks>
/// <returns>The list of digital signatures.</returns>
/// <param name="ctx">The S/MIME context to use for verifying the signature.</param>
/// <param name="entity">The unencapsulated entity.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="ctx"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The "smime-type" parameter on the Content-Type header is not "signed-data".
/// </exception>
/// <exception cref="System.FormatException">
/// The extracted content could not be parsed as a MIME entity.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was cancelled via the cancellation token.
/// </exception>
/// <exception cref="Org.BouncyCastle.Cms.CmsException">
/// An error occurred in the cryptographic message syntax subsystem.
/// </exception>
public DigitalSignatureCollection Verify(SecureMimeContext ctx, out MimeEntity entity, CancellationToken cancellationToken = default(CancellationToken))
{
if (ctx == null)
{
throw new ArgumentNullException(nameof(ctx));
}
if (SecureMimeType != SecureMimeType.SignedData && SecureMimeType != SecureMimeType.Unknown)
{
throw new InvalidOperationException();
}
using (var memory = new MemoryBlockStream()) {
Content.DecodeTo(memory);
memory.Position = 0;
return(ctx.Verify(memory, out entity, cancellationToken));
}
}
/// <summary>
/// Verifies the signed-data and returns the unencapsulated <see cref="MimeKit.MimeEntity"/>.
/// </summary>
/// <remarks>
/// Verifies the signed-data and returns the unencapsulated <see cref="MimeKit.MimeEntity"/>.
/// </remarks>
/// <returns>The list of digital signatures.</returns>
/// <param name="ctx">The S/MIME context to use for verifying the signature.</param>
/// <param name="entity">The unencapsulated entity.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="ctx"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The "smime-type" parameter on the Content-Type header is not "signed-data".
/// </exception>
/// <exception cref="Org.BouncyCastle.Cms.CmsException">
/// An error occurred in the cryptographic message syntax subsystem.
/// </exception>
public DigitalSignatureCollection Verify(SecureMimeContext ctx, out MimeEntity entity)
{
if (ctx == null)
{
throw new ArgumentNullException("ctx");
}
if (SecureMimeType != SecureMimeType.SignedData)
{
throw new InvalidOperationException();
}
using (var memory = new MemoryBlockStream()) {
ContentObject.DecodeTo(memory);
memory.Position = 0;
return(ctx.Verify(memory, out entity));
}
}
/// <summary>
/// Verifies the signed-data and returns the unencapsulated <see cref="MimeKit.MimeEntity"/>.
/// </summary>
/// <remarks>
/// Verifies the signed-data and returns the unencapsulated <see cref="MimeKit.MimeEntity"/>.
/// </remarks>
/// <returns>The list of digital signatures.</returns>
/// <param name="ctx">The S/MIME context to use for verifying the signature.</param>
/// <param name="entity">The unencapsulated entity.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="ctx"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The "smime-type" parameter on the Content-Type header is not "signed-data".
/// </exception>
/// <exception cref="Org.BouncyCastle.Cms.CmsException">
/// An error occurred in the cryptographic message syntax subsystem.
/// </exception>
public DigitalSignatureCollection Verify (SecureMimeContext ctx, out MimeEntity entity)
{
if (ctx == null)
throw new ArgumentNullException ("ctx");
if (SecureMimeType != SecureMimeType.SignedData)
throw new InvalidOperationException ();
using (var memory = new MemoryBlockStream ()) {
ContentObject.DecodeTo (memory);
memory.Position = 0;
return ctx.Verify (memory, out entity);
}
}