News tagged with cryptographic keys

Random numbers—hard times ahead for hackers

Whenever we need to communicate in secret, a cryptographic key is needed. For this key to work, it must consist of numbers chosen at random without any structure – just the opposite of using the birthdate of our favourite ...

dateMay 31, 2017 in Quantum Physics
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Encryption for everyone

In the wake of the revelations that intelligence agencies have been engaged in mass surveillance activities, both industry and society at large are looking for practicable encryption solutions that protect businesses and ...

dateMar 16, 2015 in Security
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Making quantum encryption practical

One of the many promising applications of quantum mechanics in the information sciences is quantum key distribution (QKD), in which the counterintuitive behavior of quantum particles guarantees that no one can eavesdrop on ...

dateMay 21, 2013 in Quantum Physics
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Beefing up public-key encryption

Most financial transactions on the Internet are safeguarded by a cryptographic technique called public-key encryption. Where traditional encryption relies on a single secret key, shared by both sender and recipient, public-key ...

dateFeb 18, 2013 in Computer Sciences
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