In This July Digital Issue:

Table of Contents

• Preventing Stack Overflow Attacks
  By Oliver Mueller
The use of special prologues and epilogues around functions can easily detect attacks that rely on stack overflows. Here is how "stack smashing" is actually performed and how its occurrence is detected.

GUEST EDITORIAL
• By Norman M. Sadeh
In this guest editorial, a Carnegie Mellon computer science professor explains why phish should not be treated as spam.


• From the Vault: The Theory, Design, and Implementation of Cryptographic Hash Functions
  By Jesse Walker, Michael E. Kounavis, Shay Gueron, and Gary Graunke
A detailed primer on cryptographic hashes and why they are cryptography's most widely used primitives.


• LETTERS
  By you
Readers comment on coding in an echo chamber and bad programmers.


• LINKS
  Snapshots of the most interesting items on drdobbs.com including the design of LLVM and automatic reference counting on iOS.

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