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wicg.github.io
https://wicg.github.io/webcrypto-secure-curves
Secure Curves in the Web Cryptography API - GitHub Pages
Oct 21, 2024 · This specification defines a number of algorithms for the Web Cryptography API, namely X25519 and X448 [RFC7748], and Ed25519 and Ed448 [RFC8032].
Node.js
https://nodejs.org/api/webcrypto.html
Web Crypto API | Node.js v23.1.0 Documentation
Subtle.Decrypt(Algorithm, Key, Data)#
Subtle.Derivebits(Algorithm, Basekey[, Length])#
Subtle.Digest(Algorithm, Data)#
Subtle.Encrypt(Algorithm, Key, Data)#
Subtle.Exportkey(Format, Key)#
Subtle.Generatekey(Algorithm, Extractable, Keyusages)#
Subtle.Importkey(Format, Keydata, Algorithm, Extractable, Keyusages)#
Subtle.Sign(Algorithm, Key, Data)#
Subtle.Verify(Algorithm, Key, Signature, Data)#
Subtle.Wrapkey(Format, Key, Wrappingkey, Wrapalgo)#

algorithm: <RsaOaepParams> | <AesCtrParams> | <AesCbcParams> | <AesGcmParams>
key: <CryptoKey>
data: <ArrayBuffer> | <TypedArray> | <DataView> | <Buffer>
Returns: <Promise> Fulfills with an <ArrayBuffer>
See more on nodejs.org
Wikipedia
https://en.wikipedia.org/wiki/Curve25519
Curve25519 - Wikipedia
Overview
Mathematical properties
History
Libraries
Protocols
Applications
External links
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. It is one of the fastest curves in ECC, and is not covered by any known patents. The reference implementation is public domain software.
The original Curve25519 paper defined it as a Diffie–Hellman (DH) function. Daniel J. Bernstein h…
Wikipedia · Text under CC-BY-SA license
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Github
https://github.com/tQsW/webcrypto-curve25519/blob/...
webcrypto-curve25519/explainer.md at master - GitHub
We solve the above problem by adding support for Curve25519 algorithms in the Web Cryptography API, namely the signature algorithm Ed25519 and the key agreement algorithm …
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Curve25519 Algorithm
Master
Github
https://github.com/WICG/webcrypto-secure-curves/...
webcrypto-secure-curves/explainer.md at main - GitHub
Support Curve25519 and Curve448 in the Web Cryptography API. We solve the above problem by adding support for Curve25519 and Curve448 algorithms in the Web Cryptography API, …
Mozilla Developer
https://developer.mozilla.org/en-US/docs/Web/API/...
SubtleCrypto: generateKey() method - Web APIs | MDN - MDN …
This code generates an X25519 public and private key pair that can be used in SubtleCrypto.deriveKey() to create a shared key, or in SubtleCrypto.deriveBits() to create a …
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Application Programming Interfaces
Crypto Subtle Generatekey
People also ask
What is X25519 algorithm identifier?
The " X25519 " algorithm identifier is used to perform key agreement using the X25519 algorithm specified in [RFC7748]. The recognized algorithm name for this algorithm is " X25519 ". If the [ [type]] internal slot of key is not " private ", then throw an InvalidAccessError. Let publicKey be the public member of normalizedAlgorithm.
Secure Curves in the Web Cryptography API - GitHub Pages
wicg.github.io
What is X25519 key exchange?
X25519 is an elliptic curve Diffie-Hellman key exchange using Curve25519. It allows two parties to jointly agree on a shared secret using an insecure channel. For most applications the shared_key should be passed to a key derivation function.
X25519 key exchange — Cryptography 44.0.0.dev1 documentation
cryptography.io
Which algorithms are supported in the Web Cryptography API?
We solve the above problem by adding support for Curve25519 algorithms in the Web Cryptography API, namely the signature algorithm Ed25519 and the key agreement algorithm X25519. The following operations are supported with the recognized algorithm name "Ed25519": The following operations are supported with the recognized algorithm name "X25519":
webcrypto-curve25519/explainer.md at master - GitHub
github.com
What is X25519 & Ed25519?
Curve25519 is used in the X25519 standard, which is a mandatory algorithm in TLS 1.3. TLS 1.3 secures a large number of HTTPS connections in web browsers worldwide. X25519 and Ed25519 are terms used to describe the algorithm/curve combination. X25519: Used when curve25519 is used with the Diffie-Hellman operation.
Web Encrypt
webencrypt.org
What operations are supported with the recognized algorithm X25519?
The following operations are supported with the recognized algorithm name "X25519": For key serialization and deserialization, the supported formats include the raw format for X25519 public keys as an array of raw bytes, as well as the SPKI, the PKCS#8, and the JWK formats for the public or/and the private X25519 or Ed25519 keys.
webcrypto-curve25519/explainer.md at master - GitHub
github.com
When should I use X25519?
You should ONLY use it if you’re 100% absolutely sure that you know what you’re doing because this module is full of land mines, dragons, and dinosaurs with laser guns. X25519 is an elliptic curve Diffie-Hellman key exchange using Curve25519. It allows two parties to jointly agree on a shared secret using an insecure channel.
X25519 key exchange — Cryptography 44.0.0.dev1 documentation
cryptography.io
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The Computer Laboratory
https://www.cl.cam.ac.uk/teaching/2122/Crypto/curve25519.pdf
[PDF]
Implementing Curve25519/X25519: A Tutorial on Elliptic …
Starting from first principles, this paper shows how to derive every line of code in an implementation of the X25519 Difie-Hellman key agreement scheme, based on the …
Tags:
Curve25519 Algorithm
X25519 Elliptic Curve
Elliptic Curve Cryptography Ecc
pyca/cryptography
https://cryptography.io/.../asymmetric/x25519
X25519 key exchange — Cryptography 44.0.0.dev1 documentation
X25519 is an elliptic curve Diffie-Hellman key exchange using Curve25519. It allows two parties to jointly agree on a shared secret using an insecure channel.
Tags:
Curve25519
X25519 Elliptic Curve
Cloudflare Docs
https://developers.cloudflare.com/workers/runtime-apis/web-crypto
Web Crypto | Cloudflare Workers docs
The Web Crypto API provides a set of low-level functions for common cryptographic tasks. The Workers runtime implements the full surface of this API, but with some differences in the …
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Crypto API
Workers
Web Encrypt
https://webencrypt.org/curve25519
Web Encrypt
Curve25519 is designed for use with the elliptic curve Diffie–Hellman (ECDH) key agreement scheme. It offers 128 bits of security with a 256-bit key size. Curve25519 is used in the …
Tags:
Curve25519 Algorithm
X25519 Elliptic Curve
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