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remove node fs dependency #13

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Merged
merged 1 commit into from
Jul 29, 2024
Merged

remove node fs dependency #13

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18 changes: 0 additions & 18 deletions src/crypto_utils.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
import forge from 'node-forge'
import {BaseWallet, ethers, getBytes, SigningKey, solidityPackedKeccak256} from "ethers"
import * as fs from "node:fs";

const BLOCK_SIZE = 16 // AES block size in bytes
const HEX_BASE = 16
Expand Down Expand Up @@ -204,23 +203,6 @@ export function generateAesKey(): string {
return forge.random.getBytesSync(BLOCK_SIZE)
}

export function loadAesKey(filePath: string): Buffer {
const hexKey = fs.readFileSync(filePath, 'utf8').trim();
const key = Buffer.from(hexKey, 'hex');
if (key.length !== BLOCK_SIZE) {
throw new Error(`Invalid key length: ${key.length} bytes, must be ${BLOCK_SIZE} bytes`);
}
return key;
}

export function writeAesKey(filePath: string, key: Buffer): void {
if (key.length !== BLOCK_SIZE) {
throw new Error(`Invalid key length: ${key.length} bytes, must be ${BLOCK_SIZE} bytes`);
}
const hexKey = key.toString('hex');
fs.writeFileSync(filePath, hexKey);
}

export function encodeString(str: string): Uint8Array {
return new Uint8Array([...str.split('').map((char) => parseInt(char.codePointAt(0)?.toString(HEX_BASE)!, HEX_BASE))])
}
Expand Down