question: public String toString ( ) { StringBuilder sb = new StringBuilder ( ) ; sb . append ( super . toString ( ) ) ; sb . append ( "KeyUsage [\n" ) ; if ( isSet ( 0 ) ) { sb . append ( "  DigitalSignature\n" ) ; } if ( isSet ( 1 ) ) { sb . append ( "  Non_repudiation\n" ) ; } if ( isSet ( 2 ) ) { sb . append ( "  Key_Encipherment\n" ) ; } if ( isSet ( 3 ) ) { sb . append ( "  Data_Encipherment\n" ) ; } if ( isSet ( 4 ) ) { sb . append ( "  Key_Agreement\n" ) ; } if ( isSet ( 5 ) ) { sb . append ( "  Key_CertSign\n" ) ; } if ( isSet ( 6 ) ) { sb . append ( "  Crl_Sign\n" ) ; } if ( isSet ( 7 ) ) { sb . append ( "  Encipher_Only\n" ) ; } if ( isSet ( 8 ) ) { sb . append ( "  Decipher_Only\n" ) ; } sb . append ( "]\n" ) ; return sb . toString ( ) ; }
target:  Returns a printable representation of the KeyUsage.