Is it better to create a separate SSH key for each host and user or just using the id_rsa key for all hosts to authenticate? Could one id_rsa be malpractice for the privacy/anonymity policies?
having one ssh-key for all hosts:
~/.ssh/id_rs…
I was messing around with bcrypt today and noticed something:
hashpw(‘testtdsdddddddddddddddddddddddddddddddddddddddddddddddsddddddddddddddddd’, salt)
Output: ‘$2a$15$jQYbLa5m0PIo7eZ6MGCzr.BC17WEAHyTHiwv8oLvyYcg3guP5Zc1y’
hashpw(‘testtds…
August 2014 Update: The BlueHat Challenge is on hold. We will make an announcement on this blog when we re-start the BlueHat Challenge. Thanks for your interest!
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We were inspired by the Matasano Crypto Challenges. So we built a similar series …
We all know the two most important problems related to a “one-time-pad”:
The one-time-pad needs to be truly random (which I think is logic, as pseudo random generators are quick but predictable).
The practicability of being able to tran…
Over the weekend we received a report from our partners about a possible unpatched Internet Explorer vulnerability being exploited in the wild. The exploit code uses a memory corruption bug triggered from a webpage but it deeply leverages a Flash SWF f…
Today we released seven security bulletins addressing 34 CVE’s. Six bulletins have a maximum severity rating of Critical, and one has a maximum severity rating of Important. We hope that the table below helps you prioritize the deployment of the update…
I have noticed that, a HTTPS connection can be set up with the server configured to use a certificate, and when additional security is required, the server can ask the client to provide a client certificate, validate it and set up connecti…
It seems like there is no practical way to verify the full integrity path of precompiled and packaged software? I can check the downloaded package itself by hashes, but I have no verification if the compiled binaries really represent the p…
Is it possible to protect my site from HTTrack Website Copier or any similar program?
Without setting a max number of HTTP request from users.
In pharmacy the safety of drugs is under fairly tight control by national authorities, e.g. FDA in US. The risks of patients taking drugs are thus very effectively minimized, though understandably impossible to be reduced to zero.
Which …
