Gets or sets the System.Security.Cryptography.Xml.KeyInfo of the current System.Security.Cryptography.Xml.Signature.
a System.Security.Cryptography.Xml.KeyInfo
The Signature.KeyInfo property uses a System.Security.Cryptography.Xml.KeyInfo object to represent the <KeyInfo> element of an XML digital signature.
For more information about XML digital signatures, see the W3C specification at www.w3.org/TR/xmldsig-core/.