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EdDSA, the Glossary

In public-key cryptography, Edwards-curve Digital Signature Algorithm (EdDSA) is a digital signature scheme using a variant of Schnorr signature based on twisted Edwards curves.^[1]

61 relations: Apple Watch, Assembly language, Birational geometry, Botan (programming library), C (programming language), Chaos Communication Congress, Concatenation, Crypto++, Cryptocurrency, Cryptographic hash function, Cryptographic nonce, Cryptographic protocol, CryptoNote, Curve25519, Curve448, Daniel J. Bernstein, Digital signature, Digital Signature Algorithm, Dropbear (software), Elliptic Curve Digital Signature Algorithm, Elliptic-curve cryptography, Endianness, Federal Information Processing Standards, Finite field, GitHub, GNU Privacy Guard, Hasse's theorem on elliptic curves, Internet Engineering Task Force, Internet Key Exchange, Internet Research Task Force, IPhone, Java Development Kit, Libgcrypt, MacOS, Medium (website), Montgomery curve, NaCl (software), National Institute of Standards and Technology, Nehalem (microarchitecture), OpenBSD, OpenBSD security features, OpenSSH, OpenSSL, PlayStation 3, Pollard's rho algorithm for logarithms, Public-domain software, Public-key cryptography, Python (programming language), Random oracle, Rational point, ... Expand index (11 more) »
Digital signature schemes
Elliptic curve cryptography

Apple Watch

The Apple Watch is a brand of smartwatch products produced by Apple.

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In computer programming, assembly language (alternatively assembler language or symbolic machine code), often referred to simply as assembly and commonly abbreviated as ASM or asm, is any low-level programming language with a very strong correspondence between the instructions in the language and the architecture's machine code instructions.

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Birational geometry

In mathematics, birational geometry is a field of algebraic geometry in which the goal is to determine when two algebraic varieties are isomorphic outside lower-dimensional subsets.

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Botan (programming library)

Botan is a BSD-licensed cryptographic and TLS library written in C++11.

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C (programming language)

C (pronounced – like the letter c) is a general-purpose programming language.

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Chaos Communication Congress

The Chaos Communication Congress is an annual hacker conference organized by the Chaos Computer Club.

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Concatenation

In formal language theory and computer programming, string concatenation is the operation of joining character strings end-to-end.

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Crypto++

Crypto++ (also known as CryptoPP, libcrypto++, and libcryptopp) is a free and open-source C++ class library of cryptographic algorithms and schemes written by Wei Dai. EdDSA and Crypto++ are public-domain software with source code.

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Cryptocurrency

A cryptocurrency, crypto-currency, or crypto is a digital currency designed to work as a medium of exchange through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it.

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Cryptographic hash function

A cryptographic hash function (CHF) is a hash algorithm (a map of an arbitrary binary string to a binary string with a fixed size of n bits) that has special properties desirable for a cryptographic application.

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Cryptographic nonce

In cryptography, a nonce is an arbitrary number that can be used just once in a cryptographic communication.

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Cryptographic protocol

A cryptographic protocol is an abstract or concrete protocol that performs a security-related function and applies cryptographic methods, often as sequences of cryptographic primitives.

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CryptoNote

CryptoNote is an application layer protocol designed for use with cryptocurrencies that aims to solve specific problems identified in Bitcoin.

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Curve25519

In cryptography, Curve25519 is an elliptic curve used in elliptic-curve cryptography (ECC) offering 128 bits of security (256-bit key size) and designed for use with the Elliptic-curve Diffie–Hellman (ECDH) key agreement scheme.

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Curve448

In cryptography, Curve448 or Curve448-Goldilocks is an elliptic curve potentially offering 224 bits of security and designed for use with the elliptic-curve Diffie–Hellman (ECDH) key agreement scheme.

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Daniel J. Bernstein

Daniel Julius Bernstein (sometimes known as djb; born October 29, 1971) is an American mathematician, cryptologist, and computer scientist.

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Digital signature

A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. EdDSA and digital signature are public-key cryptography.

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Digital Signature Algorithm

The Digital Signature Algorithm (DSA) is a public-key cryptosystem and Federal Information Processing Standard for digital signatures, based on the mathematical concept of modular exponentiation and the discrete logarithm problem. EdDSA and digital Signature Algorithm are digital signature schemes and public-key cryptography.

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Dropbear (software)

Dropbear is a software package written by Matt Johnston that provides a Secure Shell-compatible server and client.

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Elliptic Curve Digital Signature Algorithm

In cryptography, the Elliptic Curve Digital Signature Algorithm (ECDSA) offers a variant of the Digital Signature Algorithm (DSA) which uses elliptic-curve cryptography. EdDSA and elliptic Curve Digital Signature Algorithm are digital signature schemes, elliptic curve cryptography and public-key cryptography.

See EdDSA and Elliptic Curve Digital Signature Algorithm

Elliptic-curve cryptography

Elliptic-curve cryptography (ECC) is an approach to public-key cryptography based on the algebraic structure of elliptic curves over finite fields. EdDSA and elliptic-curve cryptography are elliptic curve cryptography and public-key cryptography.

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Endianness

''Gulliver's Travels'' by Jonathan Swift, the novel from which the term was coined In computing, endianness is the order in which bytes within a word of digital data are transmitted over a data communication medium or addressed (by rising addresses) in computer memory, counting only byte significance compared to earliness.

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Federal Information Processing Standards

The Federal Information Processing Standards (FIPS) of the United States are a set of publicly announced standards that the National Institute of Standards and Technology (NIST) has developed for use in computer situs of non-military United States government agencies and contractors.

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Finite field

In mathematics, a finite field or Galois field (so-named in honor of Évariste Galois) is a field that contains a finite number of elements.

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GitHub

GitHub is a developer platform that allows developers to create, store, manage and share their code.

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GNU Privacy Guard

GNU Privacy Guard (GnuPG or GPG) is a free-software replacement for Symantec's cryptographic software suite PGP.

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Hasse's theorem on elliptic curves

Hasse's theorem on elliptic curves, also referred to as the Hasse bound, provides an estimate of the number of points on an elliptic curve over a finite field, bounding the value both above and below.

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Internet Engineering Task Force

The Internet Engineering Task Force (IETF) is a standards organization for the Internet and is responsible for the technical standards that make up the Internet protocol suite (TCP/IP).

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Internet Key Exchange

In computing, Internet Key Exchange (IKE, versioned as IKEv1 and IKEv2) is the protocol used to set up a security association (SA) in the IPsec protocol suite.

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Internet Research Task Force

The Internet Research Task Force (IRTF) is an organization, overseen by the Internet Architecture Board, that focuses on longer-term research issues related to the Internet.

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IPhone

The iPhone is a smartphone produced by Apple that uses Apple's own iOS mobile operating system.

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Java Development Kit

The Java Development Kit (JDK) is a distribution of Java technology by Oracle Corporation.

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Libgcrypt

Libgcrypt is a cryptography library developed as a separated module of GnuPG.

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MacOS

macOS, originally Mac OS X, previously shortened as OS X, is an operating system developed and marketed by Apple since 2001.

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Medium (website)

Medium is an American online publishing platform developed by Evan Williams and launched in August 2012.

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Montgomery curve

In mathematics, the Montgomery curve is a form of elliptic curve introduced by Peter L. Montgomery in 1987, different from the usual Weierstrass form. EdDSA and Montgomery curve are elliptic curve cryptography.

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NaCl (software)

NaCl (Networking and Cryptography Library, pronounced "salt") is a public domain, high-speed software library for cryptography.

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National Institute of Standards and Technology

The National Institute of Standards and Technology (NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness.

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Nehalem (microarchitecture)

Nehalem is the codename for Intel's 45 nm microarchitecture released in November 2008.

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OpenBSD

OpenBSD is a security-focused, free and open-source, Unix-like operating system based on the Berkeley Software Distribution (BSD).

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OpenBSD security features

The OpenBSD operating system focuses on security and the development of security features.

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OpenSSH

OpenSSH (also known as OpenBSD Secure Shell) is a suite of secure networking utilities based on the Secure Shell (SSH) protocol, which provides a secure channel over an unsecured network in a client–server architecture.

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OpenSSL

OpenSSL is a software library for applications that provide secure communications over computer networks against eavesdropping, and identify the party at the other end.

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PlayStation 3

The PlayStation 3 (PS3) is a home video game console developed and marketed by Sony Computer Entertainment. The successor to the PlayStation 2, it is part of the PlayStation brand of consoles. It was first released on November 11, 2006, in Japan, November 17, 2006, in North America, and March 23, 2007, in Europe and Australasia.

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Pollard's rho algorithm for logarithms

Pollard's rho algorithm for logarithms is an algorithm introduced by John Pollard in 1978 to solve the discrete logarithm problem, analogous to Pollard's rho algorithm to solve the integer factorization problem.

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Public-domain software

Public-domain software is software that has been placed in the public domain, in other words, software for which there is absolutely no ownership such as copyright, trademark, or patent.

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Public-key cryptography

Public-key cryptography, or asymmetric cryptography, is the field of cryptographic systems that use pairs of related keys.

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Python (programming language)

Python is a high-level, general-purpose programming language.

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Random oracle

In cryptography, a random oracle is an oracle (a theoretical black box) that responds to every unique query with a (truly) random response chosen uniformly from its output domain.

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Rational point

In number theory and algebraic geometry, a rational point of an algebraic variety is a point whose coordinates belong to a given field.

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Reference implementation

In the software development process, a reference implementation (or, less frequently, sample implementation or model implementation) is a program that implements all requirements from a corresponding specification.

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Schnorr signature

In cryptography, a Schnorr signature is a digital signature produced by the Schnorr signature algorithm that was described by Claus Schnorr. EdDSA and Schnorr signature are digital signature schemes.

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SHA-2

SHA-2 (Secure Hash Algorithm 2) is a set of cryptographic hash functions designed by the United States National Security Agency (NSA) and first published in 2001.

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SHA-3

SHA-3 (Secure Hash Algorithm 3) is the latest member of the Secure Hash Algorithm family of standards, released by NIST on August 5, 2015. EdDSA and SHA-3 are public-domain software with source code.

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Side-channel attack

In computer security, a side-channel attack is any attack based on extra information that can be gathered because of the fundamental way a computer protocol or algorithm is implemented, rather than flaws in the design of the protocol or algorithm itself (e.g. flaws found in a cryptanalysis of a cryptographic algorithm) or minor, but potentially devastating, mistakes or oversights in the implementation.

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Symmetric-key algorithm

Symmetric-key algorithms are algorithms for cryptography that use the same cryptographic keys for both the encryption of plaintext and the decryption of ciphertext.

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Tanja Lange

Tanja Lange is a German cryptographer and number theorist at the Eindhoven University of Technology.

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Twisted Edwards curve

In algebraic geometry, the twisted Edwards curves are plane models of elliptic curves, a generalisation of Edwards curves introduced by Bernstein, Birkner, Joye, Lange and Peters in 2008. EdDSA and twisted Edwards curve are elliptic curve cryptography.

See EdDSA and Twisted Edwards curve

References

[1] https://en.wikipedia.org/wiki/EdDSA

Also known as Ed25519, Ed448, Edwards-Curve Digital Signature Algorithm.

, Reference implementation, Schnorr signature, SHA-2, SHA-3, Side-channel attack, Symmetric-key algorithm, Tanja Lange, Twisted Edwards curve, Westmere (microarchitecture), WolfSSL, X86-64.

EdDSA, the Glossary

Table of Contents

See also

Digital signature schemes

Elliptic curve cryptography

References