设置密码保护
军用级 AES 加密，防止未经授权的访问。
- 100% 设备端本地处理
- 零云端上传
- 绝无水印
完全隔离的 Android 架构
采用本地沙盒内存设计。所有操作直接在您的手机处理器上运行，无需外部云端排队。
毫秒级响应 (< 300ms)
0 KB（完全离线）
为什么选择 ScanOrbit 的 设置密码保护
专为极速、高清和严格隐私打造，无需登录账号或连接任何第三方云服务。
Military-Grade AES-256 Encryption
Uses the highest security cryptographic standard recognized by government and financial institutions worldwide.
Universal PDF Viewer Compatibility
Locked PDFs can be safely opened with any standard viewer (Adobe Acrobat, Chrome, Preview, iOS) by entering the password.
Zero Password Leakage
Your password and encryption keys never leave your phone. No master keys, backdoors, or cloud logging.
只需简单 3 步
无需专业技巧，几秒钟即可生成专业级文档结果。
Select Document
Choose any PDF from your ScanOrbit library or phone storage.
Set a Strong Password
Enter your preferred security password with confirmation check.
Export Encrypted PDF
The file is compiled and locked immediately. Anyone opening the file must enter the password to view the content.
技术规格与兼容标准
- Encryption Algorithm
- AES-256 (Advanced Encryption Standard with 256-bit key)
- PDF Compatibility
- Compatible with PDF 1.7 Extension Level 3 and PDF 2.0
- Key Generation
- PBKDF2 SHA-256 Key Derivation
- Internet Requirement
- 100% Air-Gapped (Zero Network Requests)
关于 设置密码保护 的常见问题
Can ScanOrbit recover my password if I forget it?
No. Due to true zero-knowledge local encryption, ScanOrbit does not store your password anywhere. If you lose your password, the file cannot be decrypted.
Will the recipient be able to open the encrypted PDF on a computer or iPhone?
Yes! AES-256 encryption is an international standard supported natively by Adobe Acrobat, Apple Preview, Google Chrome, and all major PDF viewing software.
相关 PDF 与文档扫描工具
在 Android 上获取 设置密码保护
无需互联网连接，绝无隐私跟踪，随时在手机上畅享全部 27 款强大扫描与 PDF 工具。