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Continue reading →: Morse Code (Python)11th January is #LearnYourNameInMorseCodeDay. I found this out as GCHQ tweeted the following today: .-.. . .- .-. -. / -.– — ..- .-. / -. .- — . / .. -. / — — .-. … . / -.-. — -.. . 🧐 — GCHQ (@GCHQ) January 11, 2020…
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Continue reading →: Vigenère Cipher (Python)Previously I looked at the Vigenère cipher, but I did not have a working Python example. After some thought and consideration I came to the realisation that the Vigenère cipher is pretty much just a Caesar cipher with a shift that changes each letter, which then allowed me to figure…
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Continue reading →: Code The Classics Volume 1 Review (Python)If you grew up in the early 90’s you may remember computing magazines that came with game programming code typed up inside, so that you the reader could type it into your computer and play the game. I’ll admit this was always a bit “hit and miss” when I attempted…
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Continue reading →: RSA Public-Key Cryptography (Python)I am currently undertaking the “Encryption & Cryptography” course on FutureLearn (https://www.futurelearn.com/courses/encryption-and-cryptography/) and looking at public-key cryptography, specifically today the RSA public-key method. RSA is named after Ron Rivest, Adi Shamir and Leonard Adleman (Rivest-Shamir-Adleman; RSA) and the details for the algorithm were first published in 1977. English mathematician, Clifford…
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Continue reading →: Vigenère CipherNamed after French diplomat, Blaise de Vigenère, the Vigenère cipher built on the work / ideas of Giovan Battista Bellaso. Previously I have looked at the Caesar cipher and included a Python program that can brute force crack the cipher. The Caesar cipher can be easily broken either via frequency…
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Continue reading →: Brute Force Caesar Cipher (Python)“The Caesar Cipher (Caesar Shift, Caesar’s Code) is a simple, easy to implement substitution cipher. The cipher is named after Julius Caesar. The cipher works by taking the letters of the message and then shifts the letter a defined space along the alphabet. For example a shift of 1 character…
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Continue reading →: Nessus Essentials – Vulnerability Assessment: Installing NessusVulnerability assessment tools are used to identify risks/threats that may cause security issues in a system. Today I am going to look at a vulnerability assessment tool from Tenable called Nessus Essentials, which can (manually or automatically) scan networks for vulnerabilities and then output reports. Nessus Essentials Nessus (https://www.tenable.com/products/nessus) offers…
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Continue reading →: Amazon Alexa CommandsWith the November Black Friday and Cyber Monday deals flying about some readers may be tempted to pick up an Amazon Alexa. So today I thought I would post a brief article on some of the easter egg type voice commands that you may like, after all Alexa can do…
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Continue reading →: Go Go Functions! The Basics Of Functions (Go)So far I’ve introduced Go with a “Hello World” and looked at the basics of variables. With today’s blog post I hope to take a look at the basics of functions within Go. I am going to give examples of a few functions that I have learned and then in…
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Continue reading →: Variable Basics (Go)
Variables and programming languages go hand in hand, and Go is no different. In Go variables can be defined using the keyword var, the variable name and the variable type for example: var name_of_player string var player_score int Or multiple variables can be defined using var () for example: var (…
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