(SSPL/Getty Images) Peter Westcombe, founder of the Bletchley Park Trust, explains in detail how the Enigma machine works and how its codes were broken by the code-breakers at Bletchley Park.

As a codebreaker at Bletchley Park during the Second World War ... she remained silent about her work as part of a team using the Bombe machine created by computer science pioneer Alan Turing.

Peter Westcombe, founder of the Bletchley Park Trust, explains in detail ... He took the lead in a team that designed a machine known as a bombe that successfully decoded German messages.

The first Bombe here, designed by computing ... Germany's Enigma machines could not withstand the computing power of Bletchley Park's Bombes. (Credit: Rob Pegoraro) Then and now, sloppy ...