hws/hw01.tex
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   102 \item Explain what hashes and salts are. Describe how they can be used
   102 \item Explain what hashes and salts are. Describe how they can be used
   103   for ensuring data integrity and storing password information.
   103   for ensuring data integrity and storing password information.
   104 
   104 
   105 \item What is the difference between a brute force attack and a 
   105 \item What is the difference between a brute force attack and a 
   106   dictionary attack on passwords? 
   106   dictionary attack on passwords? 
       
   107   
       
   108 \item Even good passwords consisting of 8 characters, can be 
       
   109   broken in around 50 days (obviously this time varies a lot and
       
   110   also gets shorterand shorter). Do you think it is good 
       
   111   policy to require users to change their password every 3 
       
   112   months (as King's did until recently)? Under which 
       
   113   circumstance should users be required to change their 
       
   114   password?
   107 
   115 
   108 \item What are good uses of cookies (that is browser cookies)?
   116 \item What are good uses of cookies (that is browser cookies)?
   109 
   117 
   110 \item Why is making bank customers liable for financial fraud a bad
   118 \item Why is making bank customers liable for financial fraud a bad
   111 design choice for credit card payments?
   119 design choice for credit card payments?