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, (login) (password) . , . login/password . Windows Microsoft LAN Manager (LM), NT LAN Manager (NTLM), NT LAN Manager 2 (NTLM v2) Kerberos. Kerberos, .

Kerberos

Kerberos' , . Single Sign-On ( ). Kerberos , , - . Ticket (, ). Ticket , , Kerberos -KDC (Key Distribution Center, ). , KDC - TGT (Ticket Granting Ticket). , TGT, KDC - Service Ticket.

Kerberos, , , , . . Kerberos Microsoft, Windows 2000.

( , , Internet). PAP, CHAP, EAP, RADIUS, TACACS . RADIUS.

RADIUS

Remote Authentication Dial-in User Service (RADIUS)2 , .

:

RADIUS. RADIUS . RADIUS . , RADIUS .

RADIUS. RADIUS , RADIUS. RADIUS. . RADIUS .

RADIUS. RADIUS . RADIUS (, , ). RADIUS , RADIUS.

RADIUS , .

RADIUS Windows Server 2003 (Internet Authentication Service, IAS). , . IAS Windows Server 2003, , Active Directory.

(OTP One Time Password). . . . :

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() , -.

, 8. -. -:

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, USB-.

OTP RSA SecurID, ActivCard Token, USB- Aladdin eToken NG-OTP. , SecurID, RSA Security. , . , 3 5 , . SecurID , Microsoft Windows. , " " . , . Secure Computing Safeword. "-" CryptoCard. , . , , VASCO, . .

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( ),

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SSL, Kerberos RADIUS.

- USB-

, .509 , . , , . . , - . , .

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- - , . , , GSM.

- -. - ( ), - , (IFD), , , - . - , PCMCIA USB. - . , , -, , PIN-.

USB-

USB- , USB .

- USB- , , , . , . , . - USB- PKI: - , . , , .

. - : , . , . , . . . , , .

. , , , . , - , , .., . , .

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