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Apr
18
comment how digital signature verification process works
A signature provides integrity, not confidentiality - there is more than one kind of security in the world. If you wanted confidentiality, you would add another security mechanism (like encryption) to the transmission. Integrity assures that it has come from the sender, unchanged. That is all that a signature does. Explanation of a digital signature = en.wikipedia.org/wiki/Digital_signature#Explanation
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Nov
17
answered Explain the concept of RBAC to limit the right of senior staff
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9
reviewed Approve Can hackers access my webcam?
Nov
9
reviewed Approve Why is the subject's public key not used for encryption in SSL?
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22
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Jun
15
comment Are password-protected ZIP files secure?
I'm not clear what perspective your question is coming from? This person is specifically asking about the method of password protection as it relates to zip files and the problems were outlined pretty well in the question - in this instance, no matter how big or random your password, the zip file password lock doesn't lock much of anything. In general passwords are pretty weak - they are readily shared, and require that both sides know them (they are a shared secret) - so there's always the risk that someone else knows the password. So non-repudiation is a no-go with any password.
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Jan
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comment How to check if wifi is safe while travelling?
Fair enough... although if I am sitting in Starbucks, see one and only one attwifi, and get the typical Starbucks clickthrough screens, I feel moderately comforted. Yes, the guy in the table next to me could be spoofing me... but if I have a reason to be that paranoid, I really shouldn't be using any public Wifi at all.