# Mathematical Digest

### Short Summaries of Articles about Mathematics

in the Popular Press

"Is There Safety in Numbers?" by Amit Asaravala. *WebTechniques,* August 2001.

This article provides an exceptionally clear explanation of public keycryptography, which is based on the difficulty of factoring large numbers. Itends with a plea to businesses to focus more attention and money on ensuringthat encryption systems are safe.

*--- Allyn Jackson *