this post was submitted on 07 Feb 2023
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Encryption

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In cryptography, encryption is the process of encoding information. This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext. Ideally, only authorized parties can decipher a ciphertext back to plaintext and access the original information.

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Guidance for Choosing an Elliptic Curve Signature Algorithm in 2022 (soatok.blog)
submitted 2 years ago by c0mmando@links.hackliberty.org to c/encryption@links.hackliberty.org
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cross-posted from: https://community.hackliberty.org/post/20087

Earlier this year, Cendyne published A Deep Dive into Ed25519 Signatures, which covered some of the different types of digital signature algorithms, but mostly delved into the Ed25519 algorithm. Truth in advertising.

This got me thinking, “Why isn’t there a better comparison of different elliptic curve signature algorithms available online?”

Most people just defer to SafeCurves, but it’s a little dated: We have complete addition formulas for Weierstrass curves now, but SafeCurves doesn’t reflect that.

For the purpose of simplicity, I’m not going to focus on a general treatment of Elliptic Curve Cryptography (ECC), which includes pairing-based cryptography, Elliptic-Curve Diffie-Hellman, and (arguably) isogeny cryptography.

Instead, I’m going to focus entirely on elliptic curve digital signature algorithms.

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