Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

Cryptography puts the “crypto” in cryptocurrency. It has existed much longer than our digital age and has evolved like languages over the centuries. One of the most famous uses was developed by Julius ...

The arena of creating secure environments in the hardware and software industries is somewhat shrouded in mystery and misunderstanding. Certainly, some types of ciphers are relatively straightforward ...

Mozilla has launched Codemoji as part of its Encryption Matters campaign to teach people about privacy on the web. The Codemoji website provides an easy way to share an emoji-encoded message with ...

Encryption is a term that many of us have come across, but what does it mean? To put it simply, encryption is the encoding of information. Various online services use it to keep your data private and ...

Two University of Illinois at Chicago math professors have just embarked on a not-so-secret mission: write a textbook that teaches cryptography and coding theory to middle-school students in a way ...