Level 14 - Zypher Quest 2
Challenge
You have been given a file 7.1.zip
Solution
We know that the files are RSA encrypted since we are given private keys for each of them We will use the following command to decrypt each of them
1
openssl pkeyutl -decrypt -inkey private_key1.pem -in encrypted_file1.bin -out decrypted_chat1.txt
1
openssl pkeyutl -decrypt -inkey private_key2.pem -in encrypted_file2.bin -out decrypted_chat2.txt
1
openssl pkeyutl -decrypt -inkey private_key3.pem -in encrypted_file3.bin -out decrypted_chat3.txt
Flag
zyp{seal_is_undone}