请教破解维吉尼亚密码的问题
我有一段密文,可是没有密钥,想了很久怎样破解,也在网上看了很多资料的算法,可是一直找不到密钥,请高手帮我看看,密钥和明文是什么。
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KZBTSUGPJAYBLKSBGPJFEEVYSPSMWMXTISHZYIHINVBTRRVAXSXVAFE
MNVILOUQRWOYNHEBEQJHDUMKMBRISHDUMPRSSMFWDUMYAYBNYLOZEJRDBV
YSQRBMIBVAFEMFXTOOHXFRNFINHDBPNWPNBMIBNJWERNUKEDUMWCOFUDWYAIGV
KUIRVOCTNINGPJJSEMFRNJWTHKEMMIBRQXEKPAFMNOCYARRZJMCGPJPKZJKSBGP
JFEEVYSPSMWMXTIGVKUIREXFEJVOQOTHRVUXIVSENPVCZTZSQMYLOYIRFPBZYLOOCWRDB
NKIBVVLQIFWSEXQBMIDJWTJDUMRAOABTRDBOJXRRZ