remove lint overrides

This commit is contained in:
Simon Arnell 2025-01-29 15:19:19 +02:00
parent 26c37ea522
commit 5e403cf068

View file

@ -1,10 +1,6 @@
/* eslint-disable no-unused-vars */
/* eslint-disable camelcase */
/* eslint-disable jsdoc/require-jsdoc */
/* eslint-disable no-console */
/**
* @author Configured Things Ltd. [getconfigured@configuredthings.com]
* @copyright Crown Copyright 2024
* @copyright Crown Copyright 2025
* @license Apache-2.0
*/
@ -43,6 +39,7 @@ class LibHydrogenCurve25519Signing extends Operation {
];
}
/* eslint-disable camelcase */
/**
* @param {JSON} input
* @param {Object[]} args
@ -50,8 +47,8 @@ class LibHydrogenCurve25519Signing extends Operation {
*/
async run(input, args) {
const [context, privateKey] = args;
const wasm_src = await fetch(new URL(`${self.docURL}/assets/libhydrogen-wasm/libhydrogen.wasm`));
const wasm = await WebAssembly.compileStreaming(wasm_src);
const wasmSrc = await fetch(new URL(`${self.docURL}/assets/libhydrogen-wasm/libhydrogen.wasm`));
const wasm = await WebAssembly.compileStreaming(wasmSrc);
const imports = {
"wasi_snapshot_preview1": {
args_get() {
@ -204,25 +201,28 @@ class LibHydrogenCurve25519Signing extends Operation {
// Generated signature for JSON input
return await sign(input, context, privateKey);
}
/* eslint-enable camelcase */
}
let instance, dataview;
//
// Helper function to reserve space in the buffer used
// as a stack between js and the wasm.
//
// Offset must be an an object so we can update it's value
// {value: n}
//
// Designed to allow a sequence of reservations such as
//
// let offset = {value: 0};
// buf1 = reserve (offset, 100);
// buf2 = reserve (offset, 590);
// ...
//
/**
* Helper function to reserve space in the buffer used
* as a stack between js and the wasm.
* @param {Object} offset - Must be an an object so we can update it's value
* @param {number} offset.value
* @param {number} length
* @returns {Uint8Array} Returns a UInt8Array representation of the buffer
*
* @example
* // Designed to allow a sequence of reservations such as
*
* let offset = {value: 0};
* buf1 = reserve (offset, 100);
* buf2 = reserve (offset, 590);
* ...
*/
function reserve(offset, length) {
const a = new Uint8Array(dataview.buffer, offset.value, length);
const newOffset = a.byteOffset + a.byteLength;
@ -230,36 +230,52 @@ function reserve(offset, length) {
return a;
}
//
// Public key signing
//
/**
* A signed JSON object.
* @typedef {Object} SignedJSON
* @property {Uint8Array} context - A buffer representing the context used to define the context of the signing operation,
see {@link https://github.com/jedisct1/libhydrogen/wiki/Contexts}
* @property {Uint8Array} input - A buffer representing the stringified JSON object used as the input to the signing operation
* @property {Uint8Array} signature - A buffer representing the digital signature of the signed JSON object
*/
/**
* Digital signing of a JSON object
* @param {JSON} input - A JSON object to be signed
* @param {string} context - A string used to define the context of the signing operation,
* see {@link https://github.com/jedisct1/libhydrogen/wiki/Contexts}
* @param {Uint8Array} privateKey - The private key to use for the digital signing operation
* @returns {SignedJSON} A signed JSON object
*/
async function sign(input, context, privateKey) {
// Importing libhydrogen's signing keygen and signing and verification functions
const { hydro_sign_keygen, hydro_sign_create, hydro_sign_verify } = instance.exports;
// eslint-disable-next-line camelcase
const { hydro_sign_create } = instance.exports;
const textEncoder = new TextEncoder();
// We have to create the stack frame to pass to libHydrogen
// in the dataview Buffer, and then pass in pointers to
// that buffer
const offset = { value: 0 };
const context_arr = reserve(offset, hydro.hash_CONTEXTBYTES);
const context_ab = textEncoder.encode(context);
const contextArr = reserve(offset, hydro.hash_CONTEXTBYTES);
const contextAb = textEncoder.encode(context);
for (let i = 0; i < hydro.hash_CONTEXTBYTES; i++) {
context_arr.set([context_ab.at(i)], i);
contextArr.set([contextAb.at(i)], i);
}
const message_ab = textEncoder.encode(JSON.stringify(input));
const message_arr = reserve(offset, message_ab.length);
const messageStr = JSON.stringify(input);
const messageAb = textEncoder.encode(messageStr);
const messageArr = reserve(offset, messageAb.length);
for (let i = 0; i < message_ab.length; i++) {
message_arr.set([message_ab.at(i)], i);
for (let i = 0; i < messageAb.length; i++) {
messageArr.set([messageAb.at(i)], i);
}
// Generate a key pair
const privateKey_arr = reserve(offset, hydro.sign_SECRETKEYBYTES);
const privateKeyArr = reserve(offset, hydro.sign_SECRETKEYBYTES);
for (let i = 0; i < privateKey.length; i++) {
privateKey_arr.set([privateKey.at(i)], i);
privateKeyArr.set([privateKey.at(i)], i);
}
// Reserving memory for the signature
@ -268,18 +284,16 @@ async function sign(input, context, privateKey) {
// Creating signature of message with secret key
hydro_sign_create(
signature.byteOffset,
message_arr.byteOffset,
message_arr.byteLength,
context_arr.byteOffset,
privateKey_arr.byteOffset,
messageArr.byteOffset,
messageArr.byteLength,
contextArr.byteOffset,
privateKeyArr.byteOffset,
);
console.log(`generated signature - ${Buffer.from(signature).toString("hex")}`);
return {
context,
input,
signature: Buffer.from(signature).toString("hex")
context: contextArr,
input: messageArr,
signature
};
}