对于大部分不重要网站，采用hash+salt的方式生成唯一密码，方便管理

在线工具

生成的密码:

代码

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hashpw() {
  site="$1"
  [ -n "$site" ] || { echo "Usage: hashpw sitename"; return 1; }

  seed="seed"

  echo -n "Enter HMAC key: "
  read -s key
  echo

  pw=$(printf '%s' "${seed}|${site}" \
       | openssl dgst -sha256 -hmac "${key}" -binary \
       | openssl base64 \
       | tr -dc 'A-Za-z0-9' \
       | cut -c1-12)

  echo "$pw"
}
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import * as crypto from "crypto";
import * as readline from "readline";

/**
 * 异步命令行输入
 * @param query 提示信息
 * @param hidden 是否隐藏输入（适合密码）
 * @returns 用户输入的字符串
 */
async function prompt(query: string, hidden = true): Promise<string> {
	return new Promise((resolve) => {
		const rl = readline.createInterface({
			input: process.stdin,
			output: process.stdout,
		});

		if (!hidden) {
			rl.question(query, (answer) => {
				rl.close();
				resolve(answer);
			});
		} else {
			// 隐藏输入
			process.stdout.write(query);
			const input: string[] = [];

			const onData = (char: Buffer) => {
				const str = char.toString();
				if (str === "\n" || str === "\r" || str === "\u0004") {
					process.stdin.removeListener("data", onData);
					rl.close();
					process.stdout.write("\n");
					resolve(input.join(""));
				} else {
					process.stdout.write("*"); // 输出星号
					input.push(str);
				}
			};

			process.stdin.on("data", onData);
		}
	});
}

async function hashpw() {
	const site = process.argv[2];
	if (!site) {
		console.log("Usage: ts-node hashpw.ts sitename");
		return;
	}

	const seed = "seed";
	const key = await prompt("Enter HMAC key: ", true);

	const hmac = crypto.createHmac("sha256", key);
	hmac.update(`${seed}|${site}`);
	const digest = hmac.digest("base64");

	const pw = digest.replace(/[^A-Za-z0-9]/g, "").slice(0, 12);

	console.log(pw);
}

hashpw();