6. IANA Considerations
6. IANA Considerations
IANA has created a TLS Exporter Label registry for this purpose. The initial contents of the registry are given below:
| Value | Reference | Note |
|---|---|---|
| client finished | [RFC5246] | (1) |
| server finished | [RFC5246] | (1) |
| master secret | [RFC5246] | (1) |
| key expansion | [RFC5246] | (1) |
| client EAP encryption | [RFC5216] | |
| ttls keying material | [RFC5281] | |
| ttls challenge | [RFC5281] |
Note: (1) These entries are reserved and MUST NOT be used for the purpose described in RFC 5705, in order to avoid confusion with similar, but distinct, use in RFC 5246.
Future values are allocated via the RFC 5226 Specification Required policy. The label is a string consisting of printable ASCII characters. IANA MUST also verify that one label is not a prefix of any other label. For example, labels "key" or "master secretary" are forbidden.