RSA Padding

RootMe Challenge: PKCS#1 v1.5 - DROWN: Decrypt the message in flag.txt by using this network decrypt/encrypt service. Get the needed files with the SSH access. You can also connect to the service from localhost.

Resources

• The 9 Lives of Bleichenbacher’s CAT - Ronen,Gillham,Genkin,Shamir,Wong,Yarom

• DROWN: Breaking TLS using SSLv2

• Chosen ciphertext attacks against protocols based on the RSA encryption standard - Daniel Bleichenbacher