Authentication Methods.

This is a discussion on Authentication Methods. within the C++ Programming forums, part of the General Programming Boards category; Well, I've been racking my brain thinking about some authentication techniques, rather than the old password auth. Does anyone have ...

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    Authentication Methods.

    Well, I've been racking my brain thinking about some authentication techniques, rather than the old password auth.

    Does anyone have any ideas?

  2. #2
    Captain Crash brewbuck's Avatar
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    Quote Originally Posted by mkthnx001 View Post
    Well, I've been racking my brain thinking about some authentication techniques, rather than the old password auth.

    Does anyone have any ideas?
    The classic authentication breakdown is:

    1. Something you know
    2. Something you have
    3. Something you are

    "Something you know" would be a password, passphrase, PIN code, etc.

    "Something you have" would be an authentication token, a physical key, a USB device, etc.

    "Something you are" would be your fingerprints, retinal pattern, DNA, other biometrics.

    In high-security applications at least TWO of these factors are used. For instance, banking in Europe and other places sometimes involves both a password and an authentication token. If somebody discovers your password, they do not have your token. If they steal your token, they don't know your password.
    Code:
    //try
    //{
    	if (a) do { f( b); } while(1);
    	else   do { f(!b); } while(1);
    //}

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    Are just a few i can think of. All depends on how secure you need your application

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    Algorithm Dissector iMalc's Avatar
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    Quote Originally Posted by Shakti View Post
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    Are just a few i can think of. All depends on how secure you need your application
    That would be three examples of biometrics. Number 3 on brebuck's list.
    I actually get to play with some such technologies, given that I work for an Access Control company.

    mkthnx001: What do you actually want? Are you wanting a list of all techniques such as for studying etc, or are you after something new and inventive with perhaps a specific application in mind? Are you after something that doesn't require specialised hardware, such as a fingerprint reader?
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