urandom vs haveged

[Richard W.M. Jones]

On Fri, Mar 30, 2012 at 06:06:02PM -0400, Paul Wouters wrote:
> It's sad that even old cheap VIA CPUs have such a strong random device,
> that's fully supported with Linux, but that Intel and AMD still haven't
> caught up yet. My 3 week old intel cpu still seems to be lacking support
> for anything (like intel-rng.ko). A few years ago, I had a server that
> supported the intel-rng driver, and rngd kept dropping zeroes and
> logging warnings. I've never ever gotten a single warning from a VIA
> CPU.

These are fun ...

https://rwmj.wordpress.com/2010/08/04/usb-hardware-random-number-generator/

# ekeydctl stats 1
BytesRead=71732957056
BytesWritten=4912615
ConnectionNonces=272923
ConnectionPackets=1120827454
ConnectionRekeys=272923
ConnectionResets=1
ConnectionTime=15581455
EntropyRate=18366
FipsFrameRate=1.53
FrameByteLast=71732956992
FramesOk=1120827454
FramingErrors=0
KeyDbsdShannonPerByteL=2.95
KeyDbsdShannonPerByteR=2.01
KeyEnglishBadness=No failure
KeyRawBadness=0
KeyRawShannonPerByteL=2.94
KeyRawShannonPerByteR=2.87
KeyRawShannonPerByteX=2.95
KeyShortBadness=efm_ok
KeyTemperatureC=29.45
KeyTemperatureF=85.01
KeyTemperatureK=302.6
KeyVoltage=3.284
PacketErrors=1
PacketOK=1120827453
ReadRate=36829
TotalEntropy=35772449856
WriteRate=2

Rich.

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