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challenge/overheard

Overheard

Crypto
by mihai
150
points
2 solves First blood: popag24

Best on a computer. You will analyse downloaded files, which usually needs a computer. You can still continue here if you want.

Two messages went out encrypted the same way. You caught the first one in the clear and both ciphertexts. Read the second. Source is provided; the intercept is provided as a download.

> Resources

overheard_source.zip (1.1 KB)
SHA256: b645c406290bcd9eaa18ad118afd5ddd78ebea719ef1c910570c3ae40c3dc179
Download
overheard.txt (401 B)
SHA256: 5ebc72eb4ea3d3ac157ba44c04b1456e93273e3b8489e9e5eb5078b905b6dabd
Download

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