initialise the rsa engine . concode_field_sep boolean forEncryption concode_elem_sep RSAKeyParameters key concode_field_sep int getInputBlockSize concode_elem_sep BigInteger convertInput concode_elem_sep BigInteger processBlock concode_elem_sep byte[] convertOutput concode_elem_sep int getOutputBlockSize
void function ( boolean arg0 , CipherParameters arg1 ) { if ( arg1 instanceof ParametersWithRandom ) { ParametersWithRandom loc0 = ( ParametersWithRandom ) arg1 ; key = ( RSAKeyParameters ) loc0 . getParameters ( ) ; } else { key = ( RSAKeyParameters ) arg1 ; } this . forEncryption = arg0 ; }