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dusted.codes | ||
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berty.tech
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| | | | | You have probably already heard about cryptography and, more specifically, about end-to-end encryption. But do you know what it really is? | |
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andrea.corbellini.name
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| | | | | [AI summary] The text discusses the fundamentals of Elliptic Curve Cryptography (ECC), focusing on Elliptic Curve Diffie-Hellman (ECDH) and Elliptic Curve Digital Signature Algorithm (ECDSA). It explains how ECDH enables secure key exchange and how ECDSA allows for digital signatures. The text also covers the importance of secure random number generation in ECDSA, highlighting the risks of using a predictable or static secret key, as seen in the PlayStation 3 incident. The discussion includes code examples for ECDH and ECDSA operations and the consequences of poor implementation practices. The text concludes by mentioning future articles on solving discrete logarithms and ECC compared to RSA. | |
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dusty.phillips.codes
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| | | | | The venerable RSA public key encryption algorithm is very elegant. It requires a basic understanding of modular arithmetic, which may sound scary if you havent studied it. It reduces to taking the remainder after integer long division. The RSA Wikipedia article describes five simple steps to generate the keys. Encryption and decryption are a matter of basic exponentiation. Theres no advanced math, and its easy to understand their example of working with small numbers. | |
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mfbmina.dev
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| | | Introdução RSA is a public/private encryption algorithm and it is based on the difficulty of the factorization of the product of two large prime numbers. It was named after its creators Rivest, Shamir, and Adleman. It is an expensive algorithm, computationally speaking, and because of this, it is not common to use it directly, but it is still widely used in the market and is one of the most important encryption algorithms. As an example, OpenSSL implements this algorithm for generating keys and it is com... | ||
