A brief history of cryptography: Sending secret messages throughout time
IBM Big Data Hub
JANUARY 5, 2024
Most cryptosystems begin with an unencrypted message known as plaintext, which is then encrypted into an indecipherable code known as ciphertext using one or more encryption keys. 650 BC: Ancient Spartans used an early transposition cipher to scramble the order of the letters in their military communications.
Let's personalize your content