question: return the algorithm identifier describing the mac algorithm concode_field_sep Pfx pfx concode_field_sep boolean hasMac concode_elem_sep Pfx toASN1Structure concode_elem_sep byte[] getEncoded concode_elem_sep byte[] getEncoded concode_elem_sep boolean isMacValid concode_elem_sep ContentInfo[] getContentInfos concode_elem_sep Pfx parseBytes
target: AlgorithmIdentifier function ( ) { MacData loc0 = pfx . getMacData ( ) ; if ( loc0 != null ) { return loc0 . getMac ( ) . getAlgorithmId ( ) ; } return null ; }