以下是七段使用维吉尼亚密码加密后的密文，请任意选择...

以下是七段使用维吉尼亚密码加密后的密文，请任意选择其中一段密文尝试破解。 要求：需描述破解过程，提供相关数据，并给出明文与密钥。 （1） krkpekmcwxtvknugcmkxfwmgmjvpttuflihcumgxafsdajfupgzzmjlkyykxd vccyqiwdncebwhyjmgkazybtdfsitncwdnolqiacmchnhwcgxfzlwtxzlvgqe cllhimbnudynagrttgiiycmvyyimjzqaxvkcgkgrawxupmjwqemiptzrtmqdc iakjudnnuadfrimbbuvyaeqwshtpuyqhxvyaeffldmtvrjkpllsxtrlnvkiaj fukycvgjgibubldppkfpmkkuplafslaqycaigushmqxcityrwukqdftkgrlst ncudnnuzteqjrxyafshaqljsljfunhwiqtehncpkgxspkfvbstarlsgkxfibf fldmerptrqlygxpfrwxtvbdgqkztmtfsqegumcfararhwerchvygczyzjaacg ntgvfktmjvlpmkflpecjqtfdcclbncqwhycccbgeanyciclxncrwxofqieqmc shhdccughsxxvzdnhwtycmcbcrttvmurqlphxnwddkopqtehzapgpfrlkkkcp gadmgxdlrchvygczkerwxyfpawefsawukmefgkmpwqicnhwlnihvycsxckf （2） cbkznkiyjsrofgnqadnzuqigscvxizgsjwucusrdkxuahgzrhywtvdjeiuwsr rtnpszbvpzncngztbvsrnzuqigscvfjwqgjwcytwdazuqigscvfjwqgjwjhkf dylmcbmhonbmbvdnvbmwbnacjaphhonbmbvdnvbmwbnaublsbdnjjneoroyfm xfhixpzpcozzuqigscvxcvhdmfgxmgovzsqmvzyvwyzmsczoajsejifoakdcr ehwhgdehvmtnmvvmesvzifutzfjzoalwqztunwvdvmfhesvzifutzfjzoalwq 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