Credit Cards

Some shoppers are paranoid when asked to type their credit card number in to a web page but then read the same number out over the telephone with no security of any sort. Other shoppers type in their credit card number without checking delivery terms or conditions then complain when an unexpected charge appears on the bill. Some web sites make matters worse by misrepresenting the sale. You job is to make your Web site visibly safer and more reliable than the sites belonging to your competitors.

The chapter on Credit Cards contains the following sections:
   In Depth
      Merchant Account
         Children
         Billing Name
      Security
      Server
      Hashing
      Encryption
         Installing mcrypt
         mcrypt Functions
      Payment Software
         Cybercash
         Payflow
         CCVS
   Immediate Solutions
      Hashing Data
         mhash()
         mhash_get_hash_name()
         mhash_get_block_name()
         mhash_count()
         mhash_keygen_s2k()