CHVDialog

All Known Implementing Classes:

DefaultCHVDialog, SmartCardHSMCHVDialog
```
public interface CHVDialog
```
The interface which must be implemented by all dialogs to be used by card services for CHV input.

Author:

Thomas Schaeck (schaeck@de.ibm.com)

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.lang.String getCHV(int chvNumber)
  Get a card holder verification for the given CHV number.

- Method Detail
  - getCHV
```
java.lang.String getCHV(int chvNumber)
```
    Get a card holder verification for the given CHV number.
    
    Parameters:
    
    chvNumber - CHV number for which CHV is required
    
    Returns:
    
    the card holder verification for given number on success, null on failure.