A secure pseudorandom number generator
Designed by Bruce Schneier and John Kelsey
Note: Yarrow has been replaced by Fortuna, and is no longer being supported. Documents about Yarrow are retained here for historical interest only.
- Yarrow paper
- Questions and Answers about Yarrow
- Source code (Note: the source code implements an older version of Yarrow, not the one specified in the paper.)
- Press Release
- Wired article
Photo of Bruce Schneier by Per Ervland.
Schneier on Security is a personal website. Opinions expressed are not necessarily those of Resilient Systems, Inc.