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Anyone Using Ivy Bridge With Linux Yet?

post #1 of 14
Thread Starter 
Do any of you OCN *nix users have an Ivy Bridge CPU yet? I would imagine someone here would be.

I ask for one reason. These new CPU's have a TRNG on board. To me this is a big step in the right direction. I really hope AMD follows suit.

Essentially it has a TRNG that uses quantum processes to provide a stream of truly random bits at about 3 Gb/s. This is easily enough to keep /dev/random full at all times. No more moving your mouse for random numbers. Crypto keys can be generated instantly. If every SSL server on the Internet had one of these, it would go a long way to making SSL much more secure. As we have seen in recent studies, there is a big issue with random numbers on embedded devices.

So if any of you have Ivy bridge CPU's, run this command:
Quote:
cat /dev/random

And tell me how fast it is spewing out random data. You might have to configure RdRand to make it work, so I am not sure if it will work out of the box or not. Someone let me know.
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post #2 of 14
Code:
dd if=/dev/urandom of=/tmp/file bs=20M count=25
25+0 records in
25+0 records out
524288000 bytes (524 MB) copied, 34.4227 s, 15.2 MB/s
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post #3 of 14
Thread Starter 
You were using /dev/urandom. You need to be using /dev/random.
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post #4 of 14
My eyes saw you post urandom.
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by quadx View Post

My eyes saw you post urandom.

Nope, I clearly say /dev/random in my post -- in two places. Get some glasses, son! biggrin.gif
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post #6 of 14
he does, no edit too
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post #7 of 14
My eyes and brain fail me often.
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post #8 of 14
Code:
cat /dev/random
cat? what cat? you're telling me that there's a computer cat now?
tongue.gif

a true RNG would be great, but alas, I am on SandyBridge.
Edited by lin2dev - 5/15/12 at 6:01am
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post #9 of 14
Quote:
Originally Posted by lin2dev View Post

Code:
cat /dev/random
cat? what cat? you're telling me that there's a computer cat now?
tongue.gif
a true RNG would be great, but alas, I am on SandyBridge.

still on lynnfield myself :(

 

and watch out for that computer cat, you have a sandybridge and we all know what cats do with sand!

 

I too would like to see the information posted about this subject, maybe in a comparision with sandy or a lynnfield (or will this not work on those cpu's?). i need a good facade to justify the expense for an upgrade :)

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post #10 of 14
danny@BEAST:~$ cat /dev/random
�1��db�ŝ�7�l��t�A�}.��&呒�2D֬�+�ވ���?���Od�%�������gy���hAP������
2�]8C@ğ�ף�u\R���G�c��Ỉ����M������{� ���ߑh}{I��ui�_�+�d/7��V6b�>Ȟ
em�7qG�T#�,�Q�k�uX*�����b�j������
J�o���!��.�P�L��n`� $�?'c�����d��Qrcb�xs�T���t<��
������؞(��l��~M��٭���Bl_� ��.�o����X���/���?VԿn���6�*���x�s��3�-m�!�
X
fZ'v8��f�_�-���'dQ�"s�;tנ\$��~���

��FQ_uԳ^C

That's what my terminal spit out at me on Ubuntu 12.04... For the record, I have NO IDEA what I'm doing in Linux... day two of giving it a second chance. wink.gif
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