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Edward Philips

July 1, 2025

Diffie-Hellman in the Real World: Where It’s Actually Used

In the complex landscape of modern cryptography, the Diffie-Hellman key exchange stands out as a pivotal mechanism, akin to a secret handshake shared among trusted allies. This algorithm enables two parties to securely exchange cryptographic keys over a public channel, ...

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Edward Philips

June 30, 2025

How Big Is the Key Universe in a Substitution Cipher?

Substitution ciphers are among the most rudimentary forms of encryption, yet they lay the foundation for understanding more complex cryptographic systems. A substitution cipher operates on a straightforward principle: each letter in the plaintext is replaceable by another letter, thereby ...

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Edward Philips

June 30, 2025

ECC Encryption Demystified: Curves Keys & Cyber Shields

Elliptic Curve Cryptography (ECC) stands as a hallmark of modern cryptographic techniques, offering robust security while employing smaller key sizes compared to traditional methods such as RSA. This characteristic not only enhances performance but also significantly conserves computational resources, making ...

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Edward Philips

June 30, 2025

Do You Really Need an IV for AES Encryption?

AES (Advanced Encryption Standard) stands as a prevalent encryption algorithm utilized globally for securing digital information. Within its framework lies a critical question: Is an Initialization Vector (IV) truly necessary when implementing AES encryption? To comprehend the pertinence of the ...

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Edward Philips

June 30, 2025

Do All Encryption Types Use Keys? Spoiler: It’s Complicated

Encryption, at its core, is a fundamental aspect of modern cryptography—an essential tool for protecting information in an age where data breaches and cyber threats loom large. A critical element of encryption is the key, which serves as the mechanism ...

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Edward Philips

June 30, 2025

The Truth About SHA-1: Secure or Obsolete?

SHA-1, or Secure Hash Algorithm 1, has long been a stalwart in the world of cryptography. But as we move deeper into the 21st century, the question looms: is SHA-1 still secure, or has it become obsolete? To unravel this ...

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Edward Philips

June 29, 2025

Cool Project Ideas for Learning Cryptography Hands-On

Cryptography, the art of securing communication in the presence of adversaries, has fascinated humanity for centuries. The myriad of possibilities for exploration and experimentation in this field makes it an enticing subject for both amateurs and seasoned professionals alike. Engaging ...

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Edward Philips

June 29, 2025

Want to Become a Crypto Analyst? Here’s How Much Math You Really Need

In the labyrinthine world of cryptocurrency, the role of a crypto analyst is increasingly pivotal. The vastness of data, the volatility of markets, and the intricacies of technology create a landscape where clairvoyance and analytical prowess determine success. Like navigators ...

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Edward Philips

June 29, 2025

Number Theory & Secrets: Cryptography’s Mathematical Backbone

Number theory, a branch of pure mathematics, encompasses the study of integers and their relationships. It reveals profound properties that extend beyond basic arithmetic, captivating the attention of mathematicians and cryptographers alike. At the intersection of mathematics and information security ...

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Edward Philips

June 29, 2025

Is It Possible to Edit Packets in a MITM Attack?

The concept of a Man-in-the-Middle (MITM) attack has garnered significant attention in cybersecurity discussions. It describes a situation where an attacker intercepts and alters communications between two parties without their knowledge. One of the pivotal questions surrounding MITM attacks is ...

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