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 ...

1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...

Explore the inner workings of the javax.crypto.Cipher class in Java's cryptography API: understand its provider-based architecture ...

Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years following more than a decade of devastating hacks that exploited it and ...

Makuochi Echebiri is a News Writer for Collider. He has been interested in creative writing from as far back as high school, and he would consume pretty much anything that’s film or TV. However, his ...

NEW YORK, Dec. 11, 2025 /PRNewswire/ -- Cyphlens is defining the next generation of enterprise security with visual encryption, a groundbreaking layer of protection that lives everywhere the eye meets ...

Conservative evangelicals' embrace of presidential politics ends in disappointment and questions about mixing religion and politics. New waves of immigrants from Asia, the Middle East and Latin ...

RC4 has been exploited in high-profile attacks across enterprise Windows networks Kerberoasting exploits weaknesses in Active Directory, allowing attackers to perform offline password cracking ...

Military leaders have directed National Guard units in all 50 states to form “quick reaction forces” trained in response to ...

For decades, one script embedded in the Dead Sea Scrolls resisted all efforts to unlock its meaning. Known as Cryptic B, the code had remained undeciphered for more than 70 years, puzzling generations ...

Pete Rathburn is a copy editor and fact-checker with expertise in economics and personal finance and over twenty years of experience in the classroom. d3sign / Getty Images A blockchain is a secure ...