Coded messages in invisible ink sound like something only found in espionage books, but in real life, they can have important security purposes. Yet, they can be cracked if their encryption is predictable. Now, researchers have printed complexly encoded data with normal ink and a carbon nanoparticle-based invisible ink, requiring both UV light and a computer that has been taught the code to reveal the correct messages.
Source : https://www.sciencedaily.com/releases/2021/05/210505111356.htm
Date : May 6, 2021 at 07:54PM
Tag(s) : #SECURITE ENG
