https://asecuritysite.com

CTF: Cracking a Faulty Signature

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Do you have a cybersecurity mind? Well, one of the key skills is the ability to solve complex problems. One way to do this, is to undertake a CTF (Capture The Flag) exercise.

Here’s a challenge for you …

Bob creates a signature for a message to Alice, but there is a fault in the creation of the signature. The message is “hello” and the signature is…

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Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.