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Vigenere and ACM Cipher

$30-250 CAD

已取消
已发布超过 6 年前

$30-250 CAD

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Deadline: 24 hours For the Vigenere cipher: The file [login to view URL] has two ciphertexts. The first used a key of length 3. The second has unknown keylength. Submit a plaintext file called [login to view URL] that has FIVE lines in it: - first 40 characters of the plaintext message of the first ciphertext - key used to encrypt the first ciphertext - first 40 characters of the plaintext message of the second ciphertext - key used to encrypt the second ciphertext - one line description of how you solved it. ----------------------------------------------------------------------------------------------------------------------------------------- For the ACM cipher: Consider the encryption scheme specified here: [login to view URL] In the file [login to view URL] decrypt the two messages. The first message also gives you the secret key. For the second word, you will need to find the key yourself. The keys for the second ciphertext have different lengths. Submit a file [login to view URL], that has four lines: secret key for first ciphertext (given) plaintext message for first ciphertext secret key for second ciphertext plaintext message for second ciphertext
项目 ID: 15514999

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活跃7 年前

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CANADA的国旗
Ottawa, Canada
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会员自10月 19, 2013起

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