Uncrackable Passwords

The H has an interesting article on storing passwords to prevent unauthorized access and identity theft.  The article discusses the following methods and downfalls associated with each:

  1. Plaintext
  2. Hashing
  3. Hashing with salt
  4. Key stretching
  5. Hashing with multiple rounds
  6. Determining cipher used

Most importantly, don’t reinvent the wheel if you’re building an application requiring authentication.  Rely on tested frameworks such as OAuth or PHPass.




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