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@hpke/core
Advanced tools
A Hybrid Public Key Encryption (HPKE) core module for various JavaScript runtimes
Documentation: deno.land | pages (only for the latest ver.)
Using npm:
npm install @hpke/core
Using yarn:
yarn add @hpke/core
Using deno.land:
// use a specific version
import * as hpke from "https://deno.land/x/hpke@1.2.7/core/mod.ts";
// use the latest stable version
import * as hpke from "https://deno.land/x/hpke/core/mod.ts";
Followings are how to use this module with typical CDNs. Other CDNs can be used as well.
Using esm.sh:
<!-- use a specific version -->
<script type="module">
import * as hpke from "https://esm.sh/@hpke/core@1.2.7";
// ...
</script>
<!-- use the latest stable version -->
<script type="module">
import * as hpke from "https://esm.sh/@hpke/core";
// ...
</script>
Using unpkg:
<!-- use a specific version -->
<script type="module">
import * as hpke from "https://unpkg.com/@hpke/core@1.2.7/esm/mod.js";
// ...
</script>
git clone git@github.com:dajiaji/hpke-js.git
cd hpke-js/core
npm install -g esbuild
deno task dnt
deno task minify > $YOUR_SRC_PATH/hpke-core.js
This section shows some typical usage examples.
import {
Aes128Gcm,
CipherSuite,
DhkemP256HkdfSha256,
HkdfSha256,
} from "@hpke/core";
// const {
// Aes128Gcm, CipherSuite, DhkemP256HkdfSha256, HkdfSha256,
// } = require("@hpke/core");
async function doHpke() {
// setup
const suite = new CipherSuite({
kem: new DhkemP256HkdfSha256(),
kdf: new HkdfSha256(),
aead: new Aes128Gcm(),
});
const rkp = await suite.kem.generateKeyPair();
const sender = await suite.createSenderContext({
recipientPublicKey: rkp.publicKey,
});
const recipient = await suite.createRecipientContext({
recipientKey: rkp.privateKey,
enc: sender.enc,
});
// encrypt
const ct = await sender.seal(new TextEncoder().encode("Hello world!"));
// decrypt
const pt = await recipient.open(ct);
// Hello world!
console.log(new TextDecoder().decode(pt));
}
try {
doHpke();
} catch (err) {
console.log("failed:", err.message);
}
import {
Aes128Gcm, CipherSuite, DhkemP256HkdfSha256, HkdfSha256,
} from "https://deno.land/x/hpke@1.2.7/core/mod.ts";
async function doHpke() {
// setup
const suite = new CipherSuite({
kem: new DhkemP256HkdfSha256(),
kdf: new HkdfSha256(),
aead: new Aes128Gcm(),
});
const rkp = await suite.kem.generateKeyPair();
const sender = await suite.createSenderContext({
recipientPublicKey: rkp.publicKey,
});
const recipient = await suite.createRecipientContext({
recipientKey: rkp.privateKey,
enc: sender.enc,
});
// encrypt
const ct = await sender.seal(new TextEncoder().encode("Hello world!"));
// decrypt
const pt = await recipient.open(ct);
// Hello world!
console.log(new TextDecoder().decode(pt));
}
try {
doHpke();
} catch (_err: unknown) {
console.log("doHPKE() failed.");
}
<html>
<head></head>
<body>
<script type="module">
// import * as hpke from "https://esm.sh/hpke-js@1.2.7";
import {
Aes128Gcm, CipherSuite, DhkemP256HkdfSha256, HkdfSha256,
} from "https://esm.sh/@hpke/core@1.2.7";
globalThis.doHpke = async () => {
const suite = new CipherSuite({
kem: new DhkemP256HkdfSha256(),
kdf: new HkdfSha256(),
aead: new Aes128Gcm(),
});
const rkp = await suite.kem.generateKeyPair();
const sender = await suite.createSenderContext({
recipientPublicKey: rkp.publicKey
});
const recipient = await suite.createRecipientContext({
recipientKey: rkp.privateKey, // rkp (CryptoKeyPair) is also acceptable.
enc: sender.enc,
});
// encrypt
const ct = await sender.seal(new TextEncoder().encode("hello world!"));
// decrypt
try {
const pt = await recipient.open(ct);
// hello world!
alert(new TextDecoder().decode(pt));
} catch (err) {
alert("failed to decrypt.");
}
}
</script>
<button type="button" onclick="doHpke()">do HPKE</button>
</body>
</html>
We welcome all kind of contributions, filing issues, suggesting new features or sending PRs.
FAQs
A Hybrid Public Key Encryption (HPKE) core module for various JavaScript runtimes
The npm package @hpke/core receives a total of 4,338 weekly downloads. As such, @hpke/core popularity was classified as popular.
We found that @hpke/core demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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