Collaborate Disseminate
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MasterSecret expansion into keys
1 answer
TLS protocol presented The First Few … Continue reading Why does TLS needs to have a separate key for client and server [duplicate]
A quick question just be safe, is it still possible for a school to monitor what I’m looking up and what websites I’m accessing if I’m in private mode on google chrome canary while also using Ultrasurf, which is a free proxy … Continue reading If I’m using private mode for google chrome and a free web proxy, is it still possible for the school to monitor what I’m looking up on my macbook?
So I logged into my school wifi on my laptop, and I was just wondering:
Can they still track what I do even after I disconnect? I am using my own computer (not the school’s,) but is it possible that they can somehow track/monitor my activ… Continue reading Can a school wifi track your wifi after you disconnect?
Let’s consider the following:
Linux is the platform I am referencing here
There exists a partition on the system that’s encrypted with a strong password (via the LUKS mechanism, if it’s relevant to you)
This partition contains sensitive … Continue reading Protecting folder contents from processes
We all know that files which are deleted from a modern system usually don’t get erased immediately from memory, which is a security risk in itself.
However, this question focuses on a different topic: suppose that a file on … Continue reading Privacy concern about file modification on SSDs
My computer has been a target of a Man-in-the-Middle attack. When I am using the same site for more than 5-10 minutes, occasionally that website gets replaced by a compromised website for a couple hours. Since I am using HT… Continue reading How to trace location where MITM is occurring?
I’ve found that some .gov sites are being redirected to a Chinese IP. I have searched across Internet to see if this a known form of malware but I’m unable to find any info. I would like someone guiding me to isolate the infe… Continue reading Is my Windows 10 machine experiencing DNS poisoning? I keep getting Chinese IP addresses when connecting to a U.S. government domain
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environment variable accessibility in Linux
5 answers
Is it possible in Unix/Li… Continue reading Password as environment variable- is it a good idea? [duplicate]
Is it possible to have a (small) shellcode with unique bytes only?
So far I noticed the smallest shellcode I can find online is 19 bytes for Linux x86, but it does repeat bytes, especially the “/” from “/bin/sh” and even so… Continue reading Challenge: Shellcode with unique bytes
Backstory
The system I’m designing requires encrypted messages as well as message authentication. AES-GCM seems like the logical choice due to its authentication capabilities and high throughput.
The key used to encrypt a m… Continue reading What differs the authenticity provided by RSA signing and AES-GCM?