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Whether for breaking codes in WWII, keeping your credit card info safe, or just cracking codes for fun, cryptography is a confluence of computer science and math that encrypts our most important data.
A certain message is encoded with a 2 letter key. The encrypted message is
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We also happen to know that the second character of the plaintext is "I". Break the cipher and find the answer.
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The following message is encrypted(via the Vingenre cipher) with the key DAMNDANIEL
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Decipher the message to obtain the answer.
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The string
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is encrypted with a key of unknown length. The resulting cipher text is
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What is the length of the key?
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