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Computer Science 19 Online
OpenStudy (anonymous):

Cesar ciphers: a message is encoded using the Caesar cipher method. The ciphertext reads "HRS hr lx bnkkdfd". what is the message [ you need to figure out which Caesar cipher is being used. Hint how many possibilities are there?] I NEED HELP!!!! how do you decipher it if you don't have the key?

OpenStudy (espex):

IST is my college It is a shift 1 to the right. :)

OpenStudy (anonymous):

why is it a shift 1?

OpenStudy (espex):

If you look at the alphabet, A B C D E F G H I J K L M N O P Q R S T U V W X Y Z and shift it by one to the right Z A B C D E F G H I J K L M N O P Q R S T U V W X Y then you can replace the cipher with the letter it corresponds to. HRS hr lx bnkkdfd becomes IST is my college http://www.cs.trincoll.edu/~crypto/historical/caesar.html

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