Protected EAP TLV

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Last updated 2003-07-02
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


EAP type-length-value (TLV) message types provide a mechanism for encapsulating additional information in an EAP conversation. In some cases it is useful to cryptographically protect this information to maintain the integrity and/or privacy of the communication. This document defines a TLV type that uses message authentication to maintain the integrity of the data, encryption to protect the privacy of the data and sequence numbers to protect replays or re-sequencing of the data. Although protected TLVs must be chained after an authentication mechanism that generates key material the protection mechanism is independent of any particular authentication mechanism.


Joseph Salowey (

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