[1] [CITE@en[RFC 7627 - Transport Layer Security (TLS) Session Hash and Extended Master Secret Extension]]
([TIME[2015-09-17 07:17:41 +09:00]] 版)
<https://tools.ietf.org/html/rfc7627>

[2] [[Chrome]] が実装しています。[TIME[2015-09-17T14:20:35.300Z]]