Decrypt file with keystore's private key entry of type RSA

Workflow

	
	Fill in all required fields
	  ==> enable action button located at bottom of active window
	
	Click action button
	  ==> new window shows up:
	    Window displays contents of selected keytore
	    An additional column (first one, on the left) displays valid entries.
	
	Click on valid row
	  ==> respective alias is displayed at bottom
	  
	Right below, enter respective alias's password, then click OK button
	
	Memo: no password needed for PKCS12 keystores.
	
	
	

Limitations

    Choice of encryption algorithm:
	. RSA/ECB/PKCS1Padding
	. RSA/NONE/PKCS1Padding
	. RSA/NONE/OAEPWithSHA1AndMGF1Padding
	
	... should match the one used to encrypt data file.