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How to prove some server sent some file over HTTPS
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Is there a way to pr… Continue reading Proving that a certain site had given page at certain time [duplicate]
Suppose I want to implement an OTP system that generates 6 to 10 digit numbers.
(assume its used for reset password, or send money)
The OTPs have an expiry time, so they keep getting removed from the server’s memory.
I have… Continue reading Best practices for generating and using random timed OTP
Say, I am running an application on a cloud server such as AWS. Suppose I supply a key at run-time (so its not stored anywhere alongside/inside code), is there a way to secure this key in memory?
So if an attacker gets access to the remote… Continue reading Can secrets be made safe in memory?
I am always confused by the way the word authentication is used in security literature (i.e., outside the crypto realm). Most of the time I understand that they are actually implying identification.
For example from Wikipedia: Central Au… Continue reading Difference between authentication and identification [Crypto and Security perspective]