>cracked all the Allied ciphers An interesting unbreakable voice encryption that the Allies used was SIGSALY: https://en.wikipedia.org/wiki/SIGSALY https://en

>cracked all the Allied ciphers An interesting unbreakable voice encryption that the Allies used was SIGSALY: https://en.wikipedia.org/wiki/SIGSALY https://en.wikipedia.org/wiki/SIGSALY It was unbreakable because it was essentially the same idea as a fully random one-time pad.