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@quantabit/encrypted-storage-sdk

v1.0.0

Published

QuantaBit Encrypted Storage SDK - Client-side PBKDF2/AES-GCM vault with optional ciphertext backup

Downloads

89

Readme

@quantabit/encrypted-storage-sdk

客户端加密存储(非假链上)。密钥派生与加解密均在本地完成,明文密码永不离开客户端

安全模型

  • deriveKey / encryptJson / decryptJson / saveSecure / loadSecure 全部在客户端执行
  • 可选云端备份仅上传密文:backupEncryptedBlobPOST /vault/backup
  • 恢复仅拉取密文:restoreEncryptedBlobGET /vault/restore
  • 禁止把明文密码 POST 到服务器

Usage

import {
  encryptJson,
  decryptJson,
  saveSecure,
  loadSecure,
  backupEncryptedBlob,
  restoreEncryptedBlob,
} from '@quantabit/encrypted-storage-sdk';

const sealed = await encryptJson({ note: 'secret' }, 'user-password');
const opened = await decryptJson(sealed, 'user-password');

await saveSecure('profile', { email: '[email protected]' }, 'user-password');
const profile = await loadSecure('profile', 'user-password');

// Optional: ciphertext-only backup (password stays local)
await backupEncryptedBlob({ id: 'user-1', blob: sealed });
const remote = await restoreEncryptedBlob({ id: 'user-1' });

底层优先使用 Web Crypto PBKDF2 + AES-GCM;无 crypto.subtle 时回退到 Node crypto

MIT