Learn more about cryptology
Read the series
Cryptology is everywhere in our digital lives. But how does it actually work, and how has it developed over time? We have published a series of articles that answers these questions.
Sweden and cryptology
Sweden has a long history in cryptology. From the world's oldest surviving mechanical cipher machine to the breaking of German ciphers during the Second World War, the Swedish legacy in the field goes back further than most people realise.
How encryption works
Encryption protects your information every time you log in to your bank, shop online or send a message. Jens Bohlin, CEO of Tutus, explains the two basic types and how they work together in modern systems.
Cryptology: from antiquity to modern information security
Cryptology is about protecting information so that it cannot be read or altered by unauthorised parties. It has existed in various forms for thousands of years, and today it is a central part of information security and digital communication.
Bonus: a secret assignment in the basement – how a Swedish engineer built cipher machines by hand
For over 30 years, a Swedish cipher machine built in a basement protected some of the country's most sensitive communications. The machine is called PUD and was used by the Ministry for Foreign Affairs to encrypt messages.
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