RsaDigitalSignature
Implements RSA digital signature algorithm.
            
                
Initializes a new instance of the  RsaDigitalSignature class with the SHA-1 hash algorithm.
            
Initializes a new instance of the  RsaDigitalSignature class.
            
Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
            
Releases unmanaged and - optionally - managed resources