The CmsSigner.SignedAttributes property retrieves the System.Security.Cryptography.CryptographicAttributeObjectCollection collection of signed attributes to be associated with the resulting System.Security.Cryptography.Pkcs.SignerInfo content. Signed attributes are signed along with the specified content.
Syntax
Value
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Remarks
An example of a signed attribute that might be included in the System.Security.Cryptography.CryptographicAttributeObjectCollection collection retrieved by the CmsSigner.SignedAttributes property is the System.Security.Cryptography.Pkcs.Pkcs9SigningTime signing time attribute.
A System.Security.Cryptography.Pkcs.Pkcs9ContentType object and a System.Security.Cryptography.Pkcs.Pkcs9MessageDigest object will be automatically generated and placed in the SignerInfo.SignedAttributes property for the corresponding signer whenever the CmsSigner.SignedAttributes property is not empty.
Requirements
Assembly: System.Security (in System.Security.dll)
Assembly Versions: 2.0.0.0, 4.0.0.0
Since: .NET 2.0