https://learn.microsoft.com/pt-br/dotnet/api/system.data.sqlclient.sqlcolumnencryptioncngprovider.decryptcolumnencryptionkey?view=netframework-4.8
SqlColumnEncryptionCngProvider.DecryptColumnEncryptionKey Method (System.Data.SqlClient) |...
Decrypts the given encrypted value using an asymmetric key specified by the key path and the specified algorithm. The key path will be in the format of...
system datamethod