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Learning About Cryptography
Learning About Cryptography
A
For some reason, good cryptography is just
much harder than
it looks. This field seems to have a continuous flow of experts from
other fields who offer cryptographi...
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Simple JFET Audio Preamps
Simple JFET Audio Preamps
2006 January 20
Here is a tested design for a simple, relatively low-noise,
JFET-input, 3-transistor audio preamp, designed to satisfy various
goals:
Minimum Components...
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Vietnam Photos
Vietnam Photos
Terry Ritter
at least at first.
About This Page
Imagine my surprise at being contacted by a friend last heard
from over 30 years before, a friend from service in Vietnam.
In mid-200...
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Randomness Tests; Blum, Blum & Shub
Randomness Tests; Blum, Blum & Shub
General References on Testing RNG's
Beker, H. and F. Piper. 1982. Cipher Systems. Wiley. 169-174.
Beker, H. and F. Piper. 1985. Secure Speech Communications.
...
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Random Noise Sources
Random Noise Sources
1999-03-30
It has been long assumed that physically generated random noise
can yield cryptographically unpredictable random numbers. These
preliminary designs are the first step...
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Troubleshooting Christmas Mini-Lights
Troubleshooting Christmas Mini-Lights
Introduction
A light circuit is a continuous metal-to-metal path from AC plug
through fuses, wires, sockets and lamp filaments.
A light circuit
will operate if...