[halb]

On this note I really recommend cyberchef[1]: a large collection of open-source web based utils and converters that can be chained together. Oh and it's maintained by the GCHQ, the agency that cracked the german enigma codes.

[1] https://gchq.github.io/CyberChef/

[defrost]

Marian Rejewski, Jerzy Różycki, and Henryk Zygalski, mathematicians of the Polish intelligence service, were first in breaking the Enigma cipher.

Also first in building bomba an electrically powered aggregate of six Enigmas, which solved the daily keys within about two hours.

https://en.wikipedia.org/wiki/Marian_Rejewski

[number6]

> GCHQ, the agency that cracked the german enigma codes. And helped to spy on US citizens...