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Will Code for Device - Winner

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Will Code for Device – Winner

Todd Acheson

PDA Diary is a simple application designed to store encrypted user information (textual). Great tool for storing passwords, key codes, credit card numbers, PINs, bank information, private notes, software registration codes, etc. Encryption is performed utilizing a homegrown Blowfish implementation (very fast). The first time the application runs, it creates two (2) sample entries. To view these entries, go to the Password screen and enter the password "tapdance". User should delete these entries and enter their own password upon using the application. User entered information is stored in files on the device in the PDADiary program folder. Each entry is stored as its own file, eliminating the requirement for a database. Initial designs with SQLServerCE and XML (using ![CDATA[xxx]]) proved fatal, due to the fact these storage mediums were failing to support the range of characters present in an encrypted string. PDA Diary will also export user data to a text file.

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Comments

  • Anonymous
    December 23, 2004
    Thanks for this sample.
  • Anonymous
    December 23, 2004
    Did you Base64Encode the encrypted contents before storing it into SQL? And what type of column were you using for it?
  • Anonymous
    December 28, 2004
    Marauderz,
    No, i did not attempt to Base64Encode the encrypted contents.
    I have no doubt there is a way to store the encrypted contents in SQL CE. In the limited time I had to build this, I choose to use encrypted files instead.