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serendipitous
HN member- Joined
- Sat, Apr 04, 2015, 2:09 AM UTC
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About serendipitous
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Recent public activity
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Comment #44722756
> Now your cache/registers/SRAM are maintained. Power up with JTAG or a custom/debugging bootrom/mode that hopefully doesn’t overwrite much/any and dump away. If you care about sec…
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Comment #38877434
To get 192-bit security with RSA you'd need 7680-bit RSA key and with ECC you need 384-bit key as mentioned in the article. That assumes classical attacks only. For quantum attacks…
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Comment #30044643
What the article describes is not particularly difficult to implement. But claiming that storing the firmware in a way that prevents the user from updating it via software somehow …
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Comment #30044602
> That's why so few of them tend to advertise transmit capabilities. Any SDR that has transmit capability freely advertises it and there are many of them. The makers of one of them…
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Comment #28494884
This polling is not done by the CPU, this is a common misconception. In a typical modern system the only polling that happens with USB is done by the USB host controller and only w…
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Comment #28432950
This has nothing to do with "weakening of ECC". Dual_EC_DRBG is an RNG that happens to use Elliptic Curves but its problems have nothing to do with that, they have to do with the d…
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Comment #27482749
Yes, for a wifi client (like in the article) you're right. manuel_w was talking about bridging on the AP and for that you do just enable bridging and it works fine.
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Comment #27470839
The 802.11 header has 4 MAC addresses: Source Address (SA), Destination Address (DA), Transmitter Address (TA), Receiver Address (RA). The TA and RA are those of the Wifi station a…
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Comment #27412324
> Until spoofing, amplification attacks on UDP are properly tackled This is already addressed by QUIC (the transport protocol used by HTTP/3). Those things are no more of a problem…
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Comment #27412225
Firewall changes are only needed if your firewall rules were unreasonable to begin with. > connection tracking in routers may not work anymore What do you mean by this? Tracking of…
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Comment #27412147
> if your users are untrusted and not under your direct administrative control (e.g. students in a dorm, hotel guests, et c) then default-allow-everything jeopardizes your upstream…
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Comment #26536112
The mathematics of Shor's algorithm have been known for decades. The challenge is in building the hardware, not in the math. There are tens of billions of dollars worth of abandone…
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Comment #12843621
> it still has the decryption keys No, they (usually) work similar to PGP/GPG, i.e. each file is encrypted with a different AES key and the AES key is encrypted with a public RSA k…
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Comment #12519835
The UID is 256-bit. With a proper random number generator you don't do anything additional to avoid collisions. Hardware random number generators are standard for crypto processors…
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Comment #12113130
The ECC algorithms used today rely on the "Elliptic Curve Discrete Logarithm Problem" and are very much vulnerable to (a version of) Shor's algorithm. Some would even say they are …
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Comment #12061864
> because I can compromise the thing without opening it (just press the button and reflash with non-signed images). I don't think so. With RDP enabled the only thing the bootloader…
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Comment #12054474
Yes, but if you want your sessions that are captured today to remain confidential when quantum computers do become reality then you need to use post-quantum key exchange methods to…
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Comment #10469748
Symantec already agreed to start using Certificate Transparency in the near future, as per Google's request. This is a good thing.
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Comment #10014531
Firefox packages its own copy of the libraries it uses, including the stagefright library. They patched their copy in the new release.
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Comment #9319626
This sounds like DHT, which has existed for a while now. https://en.wikipedia.org/wiki/Distributed_hash_table