#
DIFF.BLOG
New
Following
Discover
Jobs
More
Top Writers
Suggest a blog
Upvotes plugin
Report bug
Contact
About
Privacy
Sign up
The home for great developer writing.
We surface the best developer writing from thousands of independent blogs, updated daily.
Join Diff.blog
TOPICS
On the NSA’s Supercomputer from the 1960s
·
Bruce Schneier
·
Sept. 15, 2026, 10:35 a.m.
IBM
Intelligence,
nsa
Cryptography
IBM
nsa
Supercomputers
Summary
This blog post recounts the intriguing history of Harvest, a specialized code-breaking supercomputer developed by IBM for the NSA in the 1960s, providing insights into early computing technologies and their applications in cryptography.
Read full post on www.schneier.com →
MORE POSTS LIKE THIS
FDES: Fast DES in LMI Lambda Microcode
Funcall Blogspot ·
Sep 13, 2026
microcode
DES
NSA and IETF, part 9
Daniel J. Bernstein ·
Aug 14, 2026
Cryptography
IETF
RSA munitions T-shirt
John Cook ·
Jun 13, 2026
Cryptography
Cryptography
Quantum readiness moves from blueprint to build as 2029 deadlines converge
Siliconangle ·
Sep 17, 2026
Cybersecurity
News
Proposal: Distributed Hidden Fingerprinting for AI-Generated Images
Community Openai ·
Sep 13, 2026
Cryptography
distributed-systems
The V8 JavaScript Runtime Undermined My Constant-Time JavaScript Library
Soatok Dreamseeker ·
Sep 12, 2026
Javascript
typescript
Discover more posts →
AUTHOR
Advertise
Sponsor diff.blog
Put your product in front of developers who read and write about their craft. One exclusive sponsor at a time.
Become a sponsor →
RECENT POSTS FROM THE AUTHOR
Choose how you want to continue.
Continue with GitHub
Continue with Google
By continuing, you agree to our
Privacy Policy
.