We need to retrieve secrets for user "alfie". Unfortunatelly, we only have his public RSA key, and one more public key of the server. But I've heard never to implement your own crypto and the server did.
nc a-b-rc4-d.ecsc23.hack.cert.pl 5066
Format flagi:
ecsc23{litery_cyfry_i_znaki_specjalne}.
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