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@digitalbazaar/x25519-key-agreement-key-2019
Advanced tools
An X25519 (Curve25519) DH key implementation to work with the crypto-ld LDKeyPair API
An X25519 (Curve25519) DH (Diffie-Hellman) key implementation to work with the crypto-ld LDKeyPair API.
TBD
For use with crypto-ld
>= 5.0
.
To actually perform encryption with those keys, we recommend you use
the minimal-cipher
library.
This is a low-level level library to generate and serialize X25519 (Curve25519)
key pairs (uses nacl.box
under the hood).
See also (related specs):
Requires Node.js 12+
To install locally (for development):
git clone https://github.com/digitalbazaar/x25519-key-agreement-key-2019.git
cd x25519-key-agreement-key-2019
npm install
Importing:
const {X25519KeyAgreementKey2019} = require('@digitalbazaar/x25519-key-agreement-key-2019');
// Or, if you're testing code in the interactive Node CLI, right in this repo:
const {X25519KeyAgreementKey2019} = require('./');
Generating:
const keyPair = await X25519KeyAgreementKey2019.generate({
controller: 'did:example:1234'
});
Serializing just the public key:
keyPair.export({publicKey: true});
// ->
{
id: 'did:example:1234#z6LSbh9HiAU2zzBdFMdKZGHfg1UjvAYF8C8kYnkfGKuCxYEB',
type: 'X25519KeyAgreementKey2019',
controller: 'did:example:1234',
publicKeyBase58: '1y8BrfAuXTt9yFZ2cmiMRGG5218Raxbfp2ymsFgFATR'
}
Serializing both the private and public key:
// a different key pair than the previous example
await keyPair.export({publicKey: true, privateKey: true})
// ->
{
id: 'did:example:1234#z6LSjeJZaUHMvEKW7tEJXV4PrSm61NzxxHhDXF6zHnVtDu9g',
type: 'X25519KeyAgreementKey2019',
controller: 'did:example:1234',
publicKeyBase58: '8y8Q4AUVpmbm2VrXzqYSXrYcAETrFgX4eGPJoKrMWXNv',
privateKeyBase58: '95tmYuhqSuJqY77FEg78Zy3LFQ1cENxGv2wMvayk7Lqf'
}
Deserializing:
// Loading public key only
const keyPair = await X25519KeyAgreementKey2019.from({
id: 'did:example:1234#z6LSjeJZaUHMvEKW7tEJXV4PrSm61NzxxHhDXF6zHnVtDu9g',
type: 'X25519KeyAgreementKey2019',
controller: 'did:example:1234',
publicKeyBase58: '8y8Q4AUVpmbm2VrXzqYSXrYcAETrFgX4eGPJoKrMWXNv'
});
See the contribute file!
PRs accepted.
If editing the Readme, please conform to the standard-readme specification.
Commercial support for this library is available upon request from Digital Bazaar: support@digitalbazaar.com
New BSD License (3-clause) © Digital Bazaar
FAQs
An X25519 (Curve25519) DH key implementation to work with the crypto-ld LDKeyPair API
We found that @digitalbazaar/x25519-key-agreement-key-2019 demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
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