On 16/05/13 14:27, Sergii Bieliaievskyi wrote:

2013/5/16 Alan DeKok <[email protected]
<mailto:[email protected]>>

    Sergii Bieliaievskyi wrote:
     > This is so frustrating :(
     > How it can be possible to do strong security using reliable passwords
     > and to have no encryption in the same time.

       I think you misunderstand the issues.

       OTP passwords were created so that it doesn't *require* that the
    password be hidden.

       Systems like MSCHAP were created so that the passwords could be used
    many times, because they're hashed.

       The two systems are *designed* to be incompatible.


But only ms-chap supports data encryption. I want to use OTP and MPPE
simulteniosly. But MPPE without ms-chap cann`t exist. Am I right?

No.

MPPE requires encryption keys. These can be generated by whatever auth method.

If you use plain MSCHAP, MSCHAP generates them.

If you use PEAP/MSCHAP, PEAP generates them - the MSCHAP MPPE keys are thrown away, and not used.

If you use PEAP/GTC, again PEAP generates the MPPE keys.

If you use TTLS/PAP, TTLS generates the MPPE keys.
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