Modern Era

World Wars: Cryptography played a crucial role in both World Wars, with machines like the Enigma becoming iconic.

Computer Age: With the advent of computers, cryptography became increasingly complex.

Public-Key Cryptography: The development of public-key cryptography revolutionized the field, leading to secure online communication and digital signatures.

Modern Cryptography: Today, cryptography is essential for protecting data in the digital age, from online banking to secure messaging.