Crypto Schola
Pentesters Security pros CTF players Students
Hands-on TLS / PKI exploitation

Don't read about TLS attacks.
Break TLS, live.

125 self-contained Docker challenges with real TLS client/server traffic. Exploit the protocol, key, config or crypto — ready to run, solutions included, nothing to build yourself.

[*] Starting challenge...

[*] Capturing the TLS handshake...
[*] Recovering the RSA private key...
[+] Private key reconstructed

> secret captured: 3f9a2e6c1b...
> validator: MATCH

€149 one-time, taxes included · try the free version first · terms

Linux + rootful Docker · assumes comfort with TLS and a terminal

125 challenges 4 levels 125 solutions ~5MB image

Assess

Work against live TLS client/server traffic rather than isolated cryptographic exercises.

Exploit

Break configuration, protocol, key, RNG, signature and oracle weaknesses in a repeatable lab.

Understand

Every challenge comes with a working exploit and the explanation behind the attack.