question: ensures that the bytes of this key are set to zero when there are no more references to it . concode_field_sep long serialVersionUID concode_elem_sep byte[] key concode_field_sep byte[] getEncoded concode_elem_sep int hashCode concode_elem_sep String getAlgorithm concode_elem_sep boolean equals concode_elem_sep String getFormat concode_elem_sep Object writeReplace concode_elem_sep void readObject
target: void function ( ) { try { if ( this . key != null ) { java . util . Arrays . fill ( this . key , ( byte ) 0x00 ) ; this . key = null ; } } finally { super . finalize ( ) ; } }