스마트공동인증 (SKT/KT/LGU+ 전용)

You can safely manage your certificates easily and conveniently anytime, anywhere!

Smart Joint Authentication Update!
A revamped UI with enhanced security and optimization for even greater convenience.

Save your certificates in your smartphone's secure area with the Smart Joint Authentication app, allowing you to use them easily and securely!

Easily and securely sign financial transactions, identity verification, and more, even in locations without a certificate!

■ Supported OS Changes
- Minimum Android OS version (previously 4.0 → current 6.0)
- Minimum Fingerprint Recognition OS version (previously 5.0 → current 6.0)

[Main Service Information]
1. Copy and Save to the Certificate Secure Area
Copy certificates from your PC or smartphone to your smartphone's secure area and securely store them.

2. Electronic Signature
Easily create electronic signatures using your Smart Joint Authentication app password or fingerprint!

3. Account and Security Card Management
Register and securely manage your frequently used accounts and security cards!

4. DreamPass
Securely store passwords for frequently used platforms and generate new ones!

[Smart Joint Authentication Service Usage Guide]
1. Service Subscription
- This is an additional service provided by SKT, KT, and LGU+, and is billed to your mobile phone bill at KRW 990 per month (including VAT, prorated daily).

- Inquiries: ☎ 114 (without area code) / Dream Security Customer Center ☎ 1688-0124

2. Importing the Certificate
From the official website (https://smartcert.kr), import the certificate into the Smart Joint Authentication app and save it in the secure area.

3. Electronically Sign
① In the electronic signature program, select "Smart Authentication" or "Security Token" → Mobile_SmartCert and enter the number. ② Enter the last two digits of the authentication number in the Smart Joint Authentication app. ③ Complete the signature using your app password or biometric authentication.

[Note]
1. The secure area certificate cannot be copied to another location.
2. The certificate must be deleted before deleting the app.
3. If the password is entered incorrectly 10 times, the app must be initialized and the password reset.