CmsSigner.UnsignedAttributes Property

 

The UnsignedAttributes property retrieves the CryptographicAttributeObjectCollection collection of unsigned PKCS #9 attributes to be associated with the resulting SignerInfo content. Unsigned attributes can be modified without invalidating the signature.

Namespace:   System.Security.Cryptography.Pkcs
Assembly:  System.Security (in System.Security.dll)

public CryptographicAttributeObjectCollection UnsignedAttributes { get; }

Property Value

Type: System.Security.Cryptography.CryptographicAttributeObjectCollection

A CryptographicAttributeObjectCollection collection that represents the unsigned attributes. If there are no unsigned attributes, the property is an empty collection.

An example of an unsigned attribute that might be included in the CryptographicAttributeObjectCollection collection retrieved by the UnsignedAttributes property is a countersignature.

.NET Framework
Available since 2.0
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