Authentication is the act of one entity proving its identity to another entity. Common examples involve public key cryptography. For example, proving that a banking web site actually belongs to the bank you think it does.

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Auth options for distributed systems

I am in the process of designing 3 components that will work in symphony with one another: A RESTful web service which requires BasicAuth over HTTPS on all calls, and which is what actually does all ...
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3answers
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Can one determine the creation date of an email account?

Is it possible to determine the creation date of the mail account for the address supplied within the authentication process flow; Or at least determine that the mail account was/was not created the ...
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8answers
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Is browser fingerprinting a viable technique for identifying anonymous users?

Is browser fingerprinting a sufficient method for uniquely identifying anonymous users? What if you incorporate biometric data like mouse gestures or typing patterns? The other day I ran into the ...
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3answers
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Web Authentication using PKI Certs

I understand PKI reasonably well from a conceptual point of view - i.e. private keys/public keys - the math behind them, use of hash & encryption to sign a certificate, Digital Signing of ...