Chinese WAPI protocol?

[Marcos el Ruptor]

> unpublished cryptographic algorithms.  The specification is secret
> and confidential.  It uses the SMS4 block cipher, which is secret and
> patented. [*]

http://translate.google.com/translate?u=http%3A%2F%2F72.14.205.104%2Fsearch%3Fq%3Dcache%3Ae2RxJ6kpw4QJ%3Awww.oscca.gov.cn%2FUpFile%2F200621016423197990.pdf%2Bsite%3Awww.oscca.gov.cn%2Bsms4%26hl%3Den%26ct%3Dclnk%26cd%3D1&langpair=zh-CN%7Cen&hl=en&ie=UTF8

is a very long link to the google's cached specification paper translated to english. It shouldn't be too hard to understand. ;)

Ruptor
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