I WILL GIVE DISLIKES $!!!$ IF ANYTHING WRONG HAPPENS IN MY QUESTION, BETTER SKIP IT$!!!$

$".$

$=8$

VH$18$

$=8$

$$ LK $$ RK; $$ LT $$ RT; $$ ciphertext$=$ LC$||$RC $$ LC$=$LK XOR RT; $$ RC $=$ RK XOR LT; LC$$ RC$$ LT $$ RT $48$

$$ g $($H$)=8-$ H $,$ H $=$ A$3($Hexa$)=10100011()$; $$ g$($H$)=01011100$

$$ H$0==11001010$

$$ m: AB$12()$;

$1()--$

$2()$ M Davis$-$Meyer hash $$

$3()-$