He said he was doing code-breaking.

他说过他在破密码。

youdao

During the Second World War Turing worked at Bletchley Park, Britain's code-breaking centre, and was for a time head of Hut 8, the section responsible for German naval cryptanalysis.

二战期间，图灵在布莱切里公园工作，这里是英国破译密码的中心，一段时间里他作为“Hut 8”部门的头，这个部门负责德国海军的密码翻译工作。

youdao

Computers that process qubits, which weirdly manage to be both 0 and 1 at the same time, are far faster at solving some problems-such as factoring large Numbers into primes, a step in code-breaking.

产生量子位的计算机将会同时处理0和1，从而在处理一些问题时会快上许多，例如破解密码的一个步骤——为大量的数字设置优先级。

youdao

After making a copy of the file, the hacker ran it through a code-breaking program that exposed the passwords as plain text.

FORBES: The Lawyer Hackers Call

For the film Enigma, he learnt the fundamentals of code-breaking to play Tom Jericho, a mathematics genius at the centre of the film.

BBC: Scot to play Dylan Thomas

Students tended to think maths leads to teaching or accountancy, when it could mean a career in Formula 1 racing, code-breaking or journalism, a spokeswoman for the consortium said.

BBC: NEWS | UK | Education | ?18m to inspire science students