Terminal adapter

Details Terminal adapter Terminal adapter

1997-07-09

1999-11-02

Swann, Tod R.

Cryptography

Cryptanalysis

380 49, 380 23, H04K 102

Patent

active

059784784

ABSTRACT:
A terminal adapter accommodates a data terminal device having an interface such as an RS-232C interface or the like in an ISDN. In response to an authentication request according to the CHAP from a peer, a first converting/transmitting unit transmits an authentication request according to the PAP to the data terminal device. For authentication in a B1 channel, the data terminal device transmits an ID and a password according to the PAP to the terminal adapter. A first transmitting unit encrypts the transmitted password and returns the encrypted password to the peer. A receiving/holding unit holds the ID and the password which have been transmitted. For authentication in the B1 channel, a second transmitting unit encrypts the password that has been held, and transmits the encrypted password to the peer.

REFERENCES:
patent: 5657452 (1997-08-01), Kralowetz et al.

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