How was colossus given the message to decode?

Colossus, the first electronic digital computer, was tasked with decoding messages during World War II, particularly those encrypted by the Lorenz cipher used by the German military. The messages were intercepted by British codebreakers, who then fed the encrypted data into Colossus. The machine utilized a series of logical circuits and Boolean algebra to process and analyze the ciphered texts, effectively decoding them and providing crucial intelligence to the Allies.