I will provide a summary explanation for four introductory problems from CyLab Security Academy (formerly picoCTF) Cryptography. The problems covered are "Mod 26," "The Numbers," "caesar," and "Easy1.
IBM Fully Homomorphic Encryption Toolkit For Linux. This toolkit is a Linux based Docker container that demonstrates computing on encrypted data without decrypting it! The toolkit ships with two demos ...
Carter Church of SentinelOne says OpenAI's GPT-6 Astra decoded an 1809 Napoleonic cipher letter in six hours, though caveats ...
Developer Prinz used OpenAI's GPT-6 Astra to decode a German World War I radio cipher transmitted on November 27, 1918, according to Prinz's published account. The proposed plaintext reports an ...
GPT-6 codebreaking AI solved a 217-year-old Napoleonic cipher in six hours, revealing a lost military letter and ...
A single-page web application where users type text, choose an encryption algorithm from a dropdown, and click a button to get the ciphertext. Built for the Information Security course (Assignment 2).
Carter Church, an AI engineer at SentinelOne, used OpenAI's GPT-6 Astra to transcribe and decipher a 1809 French military ...