请问Steven, NASA的探测器向地球站传送图像时一般使用哪一种加密方法?
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新语丝读书论坛
送交者: polik 于 2007-12-03, 19:47:42:
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找到了,用的是256-bit AES演算法。与FBI,CIA和五角大楼用的相同。 (无内容)
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polik
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2007-12-03, 21:46:03
(189258)
that is definitely not true. (无内容)
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steven
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2007-12-03, 21:50:32
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"definitely not true"? a detailed explanation'd be appreciated. (无内容)
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polik
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2007-12-03, 22:09:20
(189271)
在中土这可是绝密级! (无内容)
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中土人士
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2007-12-03, 20:06:03
(189223)
数据加密方法应该不是什么秘密,钥匙才是。 (无内容)
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polik
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2007-12-03, 20:16:38
(189230)
记得有次一位军方研究所领导博士论文答辩,有评委问,为什么
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中土人士
(115 bytes)
2007-12-03, 20:09:38
(189225)
MILCOM papers have classified and non-classified, people need
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steven
(42 bytes)
2007-12-04, 00:36:06
(189307)
no encryption. (无内容)
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steven
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2007-12-03, 19:49:21
(189216)
Thx. NASA lets Russians n others obtain the plain data??
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polik
(75 bytes)
2007-12-03, 20:00:53
(189219)
Those data are public accessible anyway. (无内容)
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steven
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2007-12-03, 20:02:14
(189220)
"public accessible" data r selective n postprocessed, not raw, complete data.
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polik
(191 bytes)
2007-12-03, 20:10:47
(189227)
only classified data are encrypted. You don't want to overuse encryption
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steven
(31 bytes)
2007-12-03, 21:38:17
(189254)
The NASA raw data must be classfied,otherwise
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polik
(136 bytes)
2007-12-03, 21:52:02
(189263)
Hi, Dr. Griffin, I didn't know you also visit XYS. Thanks for letting
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steven
(569 bytes)
2007-12-03, 22:37:43
(189277)
我觉得meteorite split的说法不通
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deadmeat
(292 bytes)
2007-12-03, 23:14:52
(189288)
well, I am getting bored on this, here is something you can do.
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steven
(315 bytes)
2007-12-04, 01:10:41
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Do you have the coordinate of the Chang'e picture? I want to
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steven
(49 bytes)
2007-12-04, 00:30:35
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you are right. I was wrong about that. It couldn't have been done by
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steven
(14 bytes)
2007-12-04, 00:26:15
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thanks a lot, steven.
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polik
(180 bytes)
2007-12-03, 22:57:59
(189282)
256-bit AES is quit new, first published in 1998, by that time
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steven
(623 bytes)
2007-12-04, 00:24:45
(189299)
it explains a lot. thanks! (无内容)
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polik
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2007-12-04, 00:39:10
(189308)
there is a paper, about the NASA deep space network architecture.
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steven
(114 bytes)
2007-12-04, 00:42:03
(189310)
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