<PackageReference Include="System.Security.Cryptography.Pkcs" Version="11.0.0-preview.6.26359.118" />

System.Security.Cryptography.Pkcs.SignerInfoEnumerator

public sealed class SignerInfoEnumerator : IEnumerator
The SignerInfoEnumerator class provides enumeration functionality for the SignerInfoCollection collection. SignerInfoEnumerator implements the IEnumerator interface.
public SignerInfo Current { get; }

The Current property retrieves the current SignerInfo object from the SignerInfoCollection collection.

public bool MoveNext()

The MoveNext method advances the enumeration to the next SignerInfo object in the SignerInfoCollection collection.

public void Reset()

The Reset method resets the enumeration to the first SignerInfo object in the SignerInfoCollection collection.