生成 App 专用密码 [How to generate an app-specific password]

当使用Xcode的ApplicationLoader工具上传应用遇到无法登录的问题时,本文指导您如何通过生成app-specific密码解决。步骤包括登录Appleid.apple.com,进行双重验证,访问Security区域并创建新的app-specific密码。

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最近当你使用Xcode的Application Loader工具,上传应用程序,需要输入您的苹果开发者账户时,会发现Application loader无法登录账户,而是提示使用app-specific密码登录,原来的密码已经无法正常登录了。

此时就需要重新生成一个app-specific密码,具体步骤如下:

  1. 打开 Appleid.apple.com ,并使用你的苹果账号登录。
  2. 进行双重验证,参考https://blog.youkuaiyun.com/fzhlee/article/details/88344723
  3. 然后在 Security 区域, 选择 Generate Passwords.

    Sign in to Appleid.apple.com, then select Generate Password

  4. 输入密码的 label 。
  5. 然后点击 Create.

    Enter a password label, then select Create

  6. 最后拷贝生成的 app-specific password即可.

    Copy the newly generated password

 

 

### Two-Factor Authentication Implementation and Best Practices Two-factor authentication (2FA) significantly enhances account security by requiring not only a password but also an additional piece of information that only the user has access to. For optimal security, using a strong master password along with enabling 2FA is recommended[^1]. This combination ensures that even if someone manages to obtain your password, they still cannot gain unauthorized access without this second form of verification. #### Common Types of Second Factors Used in 2FA - **SMS-based codes**: A code sent via text message. - **Authenticator apps**: Applications like Google Authenticator generate time-based one-time passwords (TOTP). - **Hardware tokens**: Devices such as YubiKey provide physical confirmation through USB or NFC connections. #### Implementing 2FA Effectively To implement two-factor authentication effectively within applications: 1. Choose reliable methods for delivering second factors; consider both convenience and security when selecting options available to users. 2. Ensure all communications between client devices and servers are encrypted over HTTPS/TLS channels. 3. Store secret keys securely on server-side infrastructure while avoiding plaintext storage at any point during transmission or rest phases. 4. Provide clear instructions guiding end-users throughout setup processes including recovery mechanisms should primary means become unavailable temporarily due to loss/theft etc. ```python import pyotp from flask import Flask, request app = Flask(__name__) @app.route('/verify_2fa', methods=['POST']) def verify(): otp_secret = "your-secret-key" provided_code = request.form.get('code') totp = pyotp.TOTP(otp_secret) verified = totp.verify(provided_code) return {'status': 'success' if verified else 'failure'} if __name__ == "__main__": app.run(debug=True) ``` This Python example demonstrates how TOTP can be implemented using `pyotp` library alongside web framework Flask. The `/verify_2fa` endpoint accepts POST requests containing OTPs generated from authenticator apps which then get validated against pre-shared secrets stored securely on backend systems. --related questions-- 1. What alternatives exist besides SMS for sending temporary passcodes? 2. How does storing shared secrets impact overall system architecture design choices? 3. Can hardware token integration improve upon software-based approaches alone? 4. Are there specific libraries supporting multi-platform development across mobile/desktop environments?
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