In the context of cryptography, the un-transformed message is known as plaintext, the transformation is known as encryption and the transformed message is known as ciphertext. The encryption process ...

Last month, two journalists decoded part of the famous Kryptos sculpture in front of the CIA building. It’s the latest news in the cryptography world, as ciphers continue to attract code crackers in ...

In the previous blog post, “Embedded Security Using Cryptography”, we looked at how cryptography can be used for securing assets in embedded systems and ensure confidentiality, integrity and ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

What secret alchemical knowledge could be so important it required sophisticated encryption? The setting was Amsterdam, 2019. A conference organized by the Society for the History of Alchemy and ...

The envelope arrived at the San Francisco Chronicle in November 1969 without a return address, its directive to the recipient, in handwriting distinctively slanted and words unevenly spaced, to ...