| Encrypt | (var XmlDocument, Text, Text, Text) | | public | 19-23, gone | - |
| Encrypt | (var XmlDocument, Text, Text, Text, Enum SymmetricAlgorithm) | | public | 19-23, gone | - |
| DecryptDocument | (var XmlDocument, Text, Enum SignatureAlgorithm) | Boolean | public | 19-23, gone | - |
| DecryptKey | (XmlElement, Text, Boolean, var Text, Enum SignatureAlgorithm) | Boolean | public | 19-23, gone | - |
| Encrypt | (var XmlDocument, Text, Text, SecretText) | | public | 24-28 | - |
| Encrypt | (var XmlDocument, Text, Text, SecretText, Enum SymmetricAlgorithm) | | public | 24-28 | - |
| DecryptDocument | (var XmlDocument, SecretText, Enum SignatureAlgorithm) | Boolean | public | 24-28 | - |
| DecryptKey | (XmlElement, SecretText, Boolean, var Text, Enum SignatureAlgorithm) | Boolean | public | 24-28 | - |