debian man page for yhsm-linux-add-entropy

Query: yhsm-linux-add-entropy

OS: debian

Section: 1

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

yhsm-linux-add-entropy(1)				      General Commands Manual					 yhsm-linux-add-entropy(1)

NAME
yhsm-linux-add-entropy - Seed the Linux entropy pool with data from YubiHSM TRNG
SYNOPSIS
yhsm-linux-add-entropy [options]
DESCRIPTION
The YubiHSM uses "Avalanche Noise" TRNG together with USB SOF jitter sampling to feed a DRBG_CTR algorithm (NIST publication SP800-90). The result has been verified as being random data of good quality by at least one third party cryptographer. <http://sartryck.idg.se/Art/ Yubihsm_1_TW072011.html> Use this program to add random data from the YubiHSM to the entropy pool of your Linux operating system. This is useful whenever lots of random data is needed, such as when generating chryptographic keys (GPG-keys), on a server terminating SSL sessions etc. You may run this script from cron, or in a while-loop. Make sure it does not run at the same time as something else accessing the YubiHSM though, or the two tasks may interrupt each other - probably making both fail.
OPTIONS
-D, --device device file name (default: /dev/ttyACM0). -v, --verbose enable verbose operation. -c, --count number of iterations to run (default: 100). -r, --ratio bits per byte read to use. 8 is probably fine, but as a conservative default 2 is used. --debug enable debug printout, including all data sent to/from YubiHSM.
EXIT STATUS
0 Entropy added successfully 1 Failure
BUGS
Report python-pyhsm/yhsm-linux-add-entropy bugs in the issue tracker <https://github.com/Yubico/python-pyhsm/issues/>
SEE ALSO
The python-pyhsm home page <https://github.com/Yubico/python-pyhsm/> YubiHSMs can be obtained from Yubico <http://www.yubico.com/>. python-pyhsm December 2011 yhsm-linux-add-entropy(1)
Related Man Pages
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random(4) - osx
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