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In public key cryptography, the "public" and "private" keys work just like the first and second ingredients in this special invisible ink: One encrypts messages, the other decrypts them. But instead ...

Neal Koblitz is a mathematician who, starting in the 1980s, became fascinated by mathematical questions in cryptography. In his article "The Uneasy Relationship Between Mathematics and Cryptography," ...

The original version of this story appeared in Quanta Magazine. Hard problems are usually not a welcome sight. But cryptographers love them. That’s because certain hard math problems underpin the ...

The information security situation is constantly changing due to the rise of quantum computing technologies, which can swiftly decrypt modern encryption techniques. However, a promising US government ...

It all begins with mathematics really - the one true scientific language, so they say. Cryptography has been around as early as 4000 years ago, doing what it still does today - ensuring that secrets ...

The trouble with encryption is that everyone needs it, and every threat actor wants to break it. Thankfully, current cryptographic techniques are still at least one step ahead of the cracking curve.

For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a special rule, known only to you and your intended audience.

Cryptography is just about as old as written communication itself, and mathematics has long supplied methods for the cryptographic toolbox. Starting in the 1970s, increasingly sophisticated ...