CoseSign1Message.SignDetachedAsync Method
Definition
Important
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Asynchronously signs the specified content and encodes it as a COSE_Sign1 message with detached content.
public static System.Threading.Tasks.Task<byte[]> SignDetachedAsync (System.IO.Stream detachedContent, System.Security.Cryptography.Cose.CoseSigner signer, ReadOnlyMemory<byte> associatedData = default, System.Threading.CancellationToken cancellationToken = default);static member SignDetachedAsync : System.IO.Stream * System.Security.Cryptography.Cose.CoseSigner * ReadOnlyMemory<byte> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<byte[]>Public Shared Function SignDetachedAsync (detachedContent As Stream, signer As CoseSigner, Optional associatedData As ReadOnlyMemory(Of Byte) = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Byte())Parameters
- detachedContent
- Stream
The content to sign.
- signer
- CoseSigner
The signer information used to sign detachedContent.
- associatedData
- ReadOnlyMemory<Byte>
The extra data associated with the signature, which must also be provided during verification.
- cancellationToken
- CancellationToken
The token to monitor for cancellation requests. The default value is None.
Returns
A task that represents the asynchronous operation. The value of its Result property contains the encoded message.
Exceptions
detachedContent or signer is null.
detachedContent does not support reading or seeking.
-or-
The ProtectedHeaders and UnprotectedHeaders collections in signer have one or more labels in common.
-or-
One or more of the labels specified in a CriticalHeaders header is missing.
The cancellation token was canceled. This exception is stored into the returned task.
