pracps
/ week1.py
Created
November 18, 2012 17:43
— forked from EarlGray/week1.py
Standford Cryptography courses online - homeworks
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| ''' | |
| Question 1 | |
| Many Time Pad | |
| Let us see what goes wrong when a stream cipher key is used more than once. Below are eleven | |
| hex-encoded ciphertexts that are the result of encrypting eleven plaintexts with a stream | |
| cipher, all with the same stream cipher key. Your goal is to decrypt the last ciphertext, | |
| and submit the secret message within it as solution. | |
| Hint: XOR the ciphertexts together, and consider what happens when a space is XORed with |