My good friend despatched me this puzzle.
I’ve a couple of 306-character strings of all seemingly random capital letters. Listed below are some examples:
FTCKKKGVKJEHIELTIAXEYLHWVZCVPXJBPVGHGCORGLZVBWCSCPBMRAMZGTBVJSPYETDPVFMVXHCRGMCJJKANJYRNPTIHHLPWBHGZRBRZOXXIUXVRSNQBEUDRSYFCZUAKEARENJONBLIVBCDFINFCQCUVJXEFCYHOYWFYQODBPLYBGTSLBJTVVPNBXWEXNYBCGODJREFNJWRCRUTKFLZVQOBNBEYZOHANOHZRTHZETRZJPAUFUKRCZIPOYRBLOPLXQDXHBZIJDXTHMRXVAVEISDVEQOTWLUEFFJTLNLRZLASRDNFZCB
FTCKEFYDPZCXEXNXLYVXGNWVGFYBDNKZYCQWECYYHUMJXLYPBVCLFPFOOMDWGXEFPYULMGGVDFOSNYMHFFKEDUDEKONDAMTWFHEGRSIWBMQCCLDMMXVKYQIMLALFDYAUBXYTRTRMNARHDZQDIOIRWSQHCPUZZKVSVCTFDNDLRRMGCBPTTMDDDXNZNSOEOUNGHAUJYXYWLFNKQXHHOEQGKFEQBWLXRBRZTUIOGBMGYBSJOXBGUAJHTTFPGQVLHQNUNCHDTMNQUAHZWBIIPABUEVAFPHZEBJAVLSWKFNOMXAQCYXBLZA
FTCKQDUYCLAXMQSIFAPLFBXGIIMEKQRRQVVHDMUKIBPMIFRBDUZFOMHEMWUJHIGCWOHJRLKKNOCXOJMLLTTRNOPQYZCMYQTEPFLNQGZAFOILVYCLCQYNZZPTCEQIFNOYDSMQLYDPGQUOCIHQPIALHYXXCBTNAHXSTLMWHEIIWNUBGLLJNGUDTUYJGWVYFAHPAEXVKETTIIANFCUGZBCWRJDXUOPGFWGJDEWUHDPIDODJHIEPJGQELOFXRMYFXIBAQNKIGZLAGYJLINSEOXPWXDESSRVMUEEDNORKEWPZWJTZXOTNMA
FTCKEBGVZTVEKYDLTZWMMQTSYSYCHVEZGJCWGYPHLGCSQWVMWTUZKNTKITLELOKSMSHORUWTHHFXOGIDKJNRSMKYZPHLLNCKTXWAQMOQDUAXKHXTESCHYKSKNLSKFXWLQYZEFUKJOCJKARALSJGBCSIZHBXDAZXEWXOUKDZWVCKHXVANHQISWFTBMTIKGOAHZXWYKHGEJWJURIMZSGHWZRCXHIKODXJOVALNOUOAESPBEMSKYRDTOAGTLLYEKHTAMTCEOJKXFMLWKJVMQOGZNZYNKFLAKSBKAKERVGNYHDAIQEKKLA
FTCKQNXYVENHJNHTLIMPXRQMKMWHHFTJNHXATUVVVWKBXKTPEMWOMSZZBPXRBSCBGPZFTYEYGNSMQRAHHMCGLGQNYLHSNCSSQPLXYQQMJYUKQHJAELDUOQZLDUKIRIVXCMQDYXWLGWFXZZQPZJUIODBKPWAKXHAKSMNUJNINKDTDNIOKXBVTZNAQMLGNUOABXUHJOMGUQIFRMYOLIVGNPGGOYPHCQUNHJDCBDGJSXKBPVHKPFRJQICPMYRKDWJCVPRDSBCODEEIIKVLILOBHQRBRVPGLNBJOFVIMKWUQVUXZLONXBC
Apparently, the codes are encoding practically an identical info, so I used to be considering it may very well be a hash or one thing, however I do not know of any hashes this lengthy.
Any concepts for fixing this/reverse engineering them can be appreciated.