59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
// Copyright 2019-2023 @polkadot/wasm-crypto authors & contributors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
const crypto = require('crypto');
|
|
const { assert, hexToU8a, stringToU8a, u8aToHex } = require('@polkadot/util');
|
|
|
|
function extractKeys (pair) {
|
|
return [pair, pair.slice(32), pair.slice(0, 32)];
|
|
}
|
|
|
|
function randomPair (wasm) {
|
|
return extractKeys(wasm.ed25519KeypairFromSeed(crypto.randomBytes(32)));
|
|
}
|
|
|
|
function ed25519PairFromSeed (wasm) {
|
|
const [pair, pk, sk] = extractKeys(wasm.ed25519KeypairFromSeed(stringToU8a('12345678901234567890123456789012')));
|
|
|
|
console.log('\tSEC', u8aToHex(sk));
|
|
console.log('\tPUB', u8aToHex(pk));
|
|
|
|
assert(u8aToHex(pair) === '0x31323334353637383930313233343536373839303132333435363738393031322f8c6129d816cf51c374bc7f08c3e63ed156cf78aefb4a6550d97b87997977ee', 'ERROR: pairFromSeed() does not match');
|
|
}
|
|
|
|
function ed25519SignAndVerify (wasm) {
|
|
const [, pk, sk] = randomPair(wasm);
|
|
const signature = wasm.ed25519Sign(pk, sk, stringToU8a('this is a message'));
|
|
const isValid = wasm.ed25519Verify(signature, stringToU8a('this is a message'), pk);
|
|
|
|
console.log('\tSIG', u8aToHex(signature));
|
|
console.log('\tRES', isValid);
|
|
|
|
assert(isValid, 'ERROR: Unable to verify signature');
|
|
}
|
|
|
|
function ed25519VerifyExisting (wasm) {
|
|
const isValid = wasm.ed25519Verify(hexToU8a('0x90588f3f512496f2dd40571d162e8182860081c74e2085316e7c4396918f07da412ee029978e4dd714057fe973bd9e7d645148bf7b66680d67c93227cde95202'), stringToU8a('this is a message'), hexToU8a('0x2f8c6129d816cf51c374bc7f08c3e63ed156cf78aefb4a6550d97b87997977ee'));
|
|
|
|
console.log('\tRES', isValid);
|
|
|
|
assert(isValid, 'ERROR: Unable to verify signature');
|
|
}
|
|
|
|
function ed25519Benchmark (wasm) {
|
|
const MESSAGE = stringToU8a('this is a message');
|
|
|
|
for (let i = 0; i < 256; i++) {
|
|
const [, pk, sk] = randomPair(wasm);
|
|
|
|
assert(wasm.ed25519Verify(wasm.ed25519Sign(pk, sk, MESSAGE), MESSAGE, pk), 'ERROR: Unable to verify signature');
|
|
}
|
|
}
|
|
|
|
module.exports = {
|
|
ed25519Benchmark,
|
|
ed25519PairFromSeed,
|
|
ed25519SignAndVerify,
|
|
ed25519VerifyExisting
|
|
};
|