Question: Suppose the following ciphertext was encrypted using a Vignenere cipher. Try to find the key and the plaintext of the ciphertext. HRSWSDVYREGORPCBHRSZFODKFKHSCXOXRBSKRSBQCPQYROAOGCOQSCWCGSAZZOWXHRSOLDFOAOOXR KHDVOGKAOHSAOWWDYGCWLZOCPHBOXGVODWYBEBVSCGDVOYOMSGUBYKXHRSOOCSGWDVGVSQRHRSUSI AKMLSMVKBQSNWCOXCDVOFZCSBDWXTKJYFYTDVOONCZHSCXCPHRWCQYROPIHRCCSNSCWBWXUDCDFKB CASHSAZCBHKBDAOGCOQSCKSHRCEHDVOGVWQVDSCHNOXUOFYTDVOWBAOGCOQSCPOWXUBSKRLMZCVWD

Suppose the following ciphertext was encrypted using a Vignenere cipher. Try to find the key and the plaintext of the ciphertext.

 HRSWSDVYREGORPCBHRSZFODKFKHSCXOXRBSKRSBQCPQYROAOGCOQSCWCGSAZZOWXHRSOLDFOAOOXR KHDVOGKAOHSAOWWDYGCWLZOCPHBOXGVODWYBEBVSCGDVOYOMSGUBYKXHRSOOCSGWDVGVSQRHRSUSI AKMLSMVKBQSNWCOXCDVOFZCSBDWXTKJYFYTDVOONCZHSCXCPHRWCQYROPIHRCCSNSCWBWXUDCDFKB CASHSAZCBHKBDAOGCOQSCKSHRCEHDVOGVWQVDSCHNOXUOFYTDVOWBAOGCOQSCPOWXUBSKRLMZCVWD WMOVCBPEGSBOGCFSJKZCSDQ

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