ethers.js/lib.esm/_tests/test-crypto-algoswap.js
2022-10-01 01:34:06 -04:00

96 lines
3.1 KiB
JavaScript

import assert from "assert";
import { lock, computeHmac, keccak256, ripemd160, sha256, sha512, pbkdf2, scrypt, scryptSync, randomBytes } from "../index.js";
describe("test registration", function () {
let hijack = "";
function getHijack(algo) {
return function (...args) {
hijack = `hijacked ${algo}: ${JSON.stringify(args)}`;
return "0x42";
};
}
const tests = [
{
name: "keccak256",
params: ["0x"],
hijackTag: 'hijacked keccak256: [{}]',
algorithm: keccak256
},
{
name: "sha256",
params: ["0x"],
hijackTag: 'hijacked sha256: [{}]',
algorithm: sha256
},
{
name: "sha512",
params: ["0x"],
hijackTag: 'hijacked sha512: [{}]',
algorithm: sha512
},
{
name: "ripemd160",
params: ["0x"],
hijackTag: 'hijacked ripemd160: [{}]',
algorithm: ripemd160
},
{
name: "pbkdf2",
params: ["0x", "0x", 1024, 32, "sha256"],
hijackTag: 'hijacked pbkdf2: [{},{},1024,32,"sha256"]',
algorithm: pbkdf2
},
{
name: "scryptSync",
params: ["0x", "0x", 1024, 8, 1, 32],
hijackTag: 'hijacked scryptSync: [{},{},1024,8,1,32]',
algorithm: scryptSync
},
{
name: "scrypt",
params: ["0x", "0x", 1024, 8, 1, 32],
hijackTag: 'hijacked scrypt: [{},{},1024,8,1,32,null]',
algorithm: scrypt
},
{
name: "computeHmac",
params: ["sha256", "0x", "0x"],
hijackTag: 'hijacked computeHmac: ["sha256",{},{}]',
algorithm: computeHmac
},
{
name: "randomBytes",
params: [32],
hijackTag: "hijacked randomBytes: [32]",
algorithm: randomBytes,
postCheck: (value) => {
return (value instanceof Uint8Array && value.length === 32);
}
}
];
tests.forEach(({ name, params, hijackTag, algorithm, postCheck }) => {
it(`swaps in hijacked callback: ${name}`, async function () {
const initial = await algorithm(...params);
algorithm.register(getHijack(name));
assert.equal(await algorithm(...params), "0x42");
assert.equal(hijack, hijackTag);
algorithm.register(algorithm._);
if (postCheck) {
assert.ok(postCheck(await algorithm(...params)));
}
else {
assert.equal(await algorithm(...params), initial);
}
});
});
it("prevents swapping after locked", function () {
lock();
tests.forEach(({ name, params, hijackTag, algorithm }) => {
assert.throws(function () {
algorithm.register(getHijack("test"));
}, function (error) {
return (error.message === `${name} is locked`);
});
});
});
});
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