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fix: offload ramdombytes library from encryption

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This commit is contained in:
ahsan-javaid
2022-03-04 18:32:51 +05:00
committed by janniks
parent 8cc1774d06
commit fe3f30ee4e
3 changed files with 8 additions and 69 deletions
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64
packages/common/src/utils.ts
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@@ -413,67 +413,3 @@ export function hexToBigInt(hex: string): bigint {
export function utf8ToBytes(content: string) {
return new TextEncoder().encode(content);
}
/*
The `concatBytes` and `hexToBytes` methods below were taken from
[noble-secp256k1](https://github.com/paulmillr/noble-secp256k1)
Copyright (c) 2019 Paul Miller (https://paulmillr.com)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the “Software”), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
*/
/**
* Reference: https://github.com/paulmillr/noble-secp256k1/blob/976d3b59bbd30f2d28638e5420b219fd3d829169/index.ts#L669-L682
* Using this function from noble-secp256k1 as its not exported by library till v1.5.5
* Concatenates several Uint8Arrays into one
* @param {byteArrays[]} Uint8Array[] array of arrays
* @output {Uint8Array} instance of bytes concatenated
*/
export function concatBytes(byteArrays: Uint8Array[]): Uint8Array {
const totalSize = byteArrays.reduce((len, bytes) => len + bytes.length, 0);
const resultArray = new Uint8Array(totalSize);
let offset = 0;
for (let i = 0; i < byteArrays.length; i++) {
resultArray.set(byteArrays[i], offset);
offset += byteArrays[i].length;
}
return resultArray;
}
/**
* Reference: https://github.com/paulmillr/noble-secp256k1/blob/976d3b59bbd30f2d28638e5420b219fd3d829169/index.ts#L726-L740
* Using this function from noble-secp256k1 as its not exported by library till v1.5.5
* Converts hex string to Uint8Array
* @param {hex} hex string without 0x prefix
* @output {Uint8Array} instance of bytes
*/
export function hexToBytes(hex: string): Uint8Array {
if (typeof hex !== 'string') {
throw new TypeError('hexToBytes: expected string, got ' + typeof hex);
}
if (hex.slice(0, 2) === '0x') {
throw new Error('input hex should be without 0x prefix');
}
if (hex.length % 2)
throw new Error(`hexToBytes: received invalid unpadded hex, got: ${hex.length}`);
const array = new Uint8Array(hex.length / 2);
for (let i = 0; i < array.length; i++) {
const j = i * 2;
const hexByte = hex.slice(j, j + 2);
const byte = Number.parseInt(hexByte, 16);
if (Number.isNaN(byte) || byte < 0) throw new Error('Invalid byte sequence');
array[i] = byte;
}
return array;
}

2
packages/encryption/package.json
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@@ -40,7 +40,6 @@
"bip39": "^3.0.2",
"bitcoinjs-lib": "^5.2.0",
"bn.js": "^5.2.0",
"randombytes": "^2.1.0",
"ripemd160-min": "^0.0.6",
"sha.js": "^2.4.11"
},
@@ -48,7 +47,6 @@
"@peculiar/webcrypto": "^1.1.6",
"@types/elliptic": "^6.4.12",
"@types/jest": "^26.0.22",
"@types/randombytes": "^2.0.0",
"@types/sha.js": "^2.4.0",
"@types/triplesec": "^3.0.0",
"crypto-browserify": "^3.12.0",

11
packages/encryption/src/cryptoRandom.ts
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@@ -1,8 +1,13 @@
// @ts-ignore
import { Buffer } from '@stacks/common';
import randombytes from 'randombytes';
import { utils } from '@noble/secp256k1';
export { randombytes as randomBytes };
/**
* Use utils.randomBytes to replace randombytes dependency
* Generates a buffer with random bytes of given length
* @param {bytesLength} an optional bytes length, default is 32 bytes
* @return {Buffer} For return type compatibility converting utils.randomBytes return value to buffer
*/
export const randomBytes = (bytesLength?: number) => Buffer.from(utils.randomBytes(bytesLength));
/** Optional function to generate cryptographically secure random bytes */
export type GetRandomBytes = (count: number) => Buffer;