[1] RFC 6249 - Metalink/HTTP: Mirrors and Hashes ( (2011-06-18 02:59:58 +09:00 版)) http://tools.ietf.org/html/rfc6249#section-6

[2] RFC 6249 - Metalink/HTTP: Mirrors and Hashes ( (2014-09-07 22:47:12 +09:00 版)) http://tools.ietf.org/html/rfc6249#section-6