Z340 Decoder in C

Introduction Figure 1: Left: Zodiac Identikit. Right: z340 cypher. Zodiac was a serial killer who operated in California during the 1970s. He gained notoriety not only for his violent crimes but also for the mysterious, encrypted messages he sent to local newspapers. Five victims were killed during hist attacks, and two survived: David Arthur Faraday (17) and Betty Lou Jensen (16) were shot and…