Table Of Contents
Latest update [menu]
Version 1.4.3 updated.
Description [menu]
Digital Signature·Electronic Contract Service I·CERTI 4U
I·CERTI 4U is a service provided as a PDF document by applying the high-strength forgery prevention function of the contract by adding a high-density 2D barcode to the signed contract and adding digital signature and timestamp information.
[Key Services Content]
I·CERTI 4U provides the contract documents signed by Off-line as electronic documents with the addition of 2D bar code, digital signature and timestamp.
[Service Procedures]
1. Shoot off-line signed contract documents and register them in the I CERTI 4U app.
2. Payment after selecting anti-forgery technology (2D bar code, digital signature, timestamp / 2D bar code only)
3. Upload filming documents and complete certification by digital signature
4. Downloading a certification completed document
5. Transmission e-mail certification completed documents
6. Preview in the I CERTI 4U App listings
The digital signature and Time stmap features can be check in the Acrobat Reader program on your computer.
[Major Service Technologies]
* High density 2D Barcode
- High-density 2D Barcode is a function that encrypts and outputs high-density 2D bar codes in documents using the information in documents. High-density 2D barco is a technology used in many official documents because forgery is very difficult and is a tamper-proof feature for the output.
- High-density 2D Barcode allows you to scan printed documents with a scanner or mobile phone to see hidden data and search for and check the original documents.
* Digital signature
- Unlike electronic signatures, digital signatures are a technology that allows you to sign documents using a public certificate to see if there has been any change in documents since digital signatures, which prevents forgery of electronic documents.
- Digital signature information of electronic documents (PDF documents) and forgery information after signing can be found in the Acrobat Reader program on your computer.
* Timestamp / LTV
- Timestamp allows for verification based on time and certification by an accredited institution when signing or verifying digital.
- In addition, the LTV feature enables document forgery verification after the certificate expires.
**** How to check for forgery in electronic documents ***
1. Use Acrobat Reader to read PDF electronic documents.
2. Make sure that the signature at the top left of the first page of the electronic document is a valid signature (green check mark).
* In case it is not known if it is valid
- Cause: The certificate used for digital signatures must be registered in the trust list of Acrobat Reader.
- How: Click Certificate -> Check Signatory Properties - 표시 Show Signer Certificate -> Click Add Trusted Certificate -> Use this Certificate as Trusted Root and confirm
-> Exit Acrobat Reader and reopen the document.
* Signing panel appears to be 'time stamp not available'
- Cause: The certificate of an authorized timestamp certification authority (Korea Information Certification) should be registered in the trust list of Acrobat Reader.
- To: Click Certificate -> Check signature properties -> Show advanced properties -> Add certificate -> Add trusted certificate - 사용 Select - 루 Use this certificate as a trusted root and confirm
-> Exit Acrobat Reader and reopen the document.
How to install I·CERTI 4U APK for Android [menu]
Download I·CERTI 4U APK file (com.icerti.icertidoc_143_13694225.apk) from SameAPK.com, then follow these steps:
Update Phone Settings
- Go to your phone Settings page
- Tap Security or Applications (varies with device)
- Check the Unknown Sources box
- Confirm with OK
Go to Downloads
- Open Downloads on your device by going to My Files or Files
- Tap the APK file you downloaded (com.icerti.icertidoc_143_13694225.apk)
- Tap Install when prompted, the APK file you downloaded will be installed on your device.
How to install I·CERTI 4U APK on Windows 7/8/10 or MAC PC? [menu]
Download I·CERTI 4U APK file(com.icerti.icertidoc_143_13694225.apk) from SameAPK.com to your PC (ex: /Users/xxx/Downloads/(com.icerti.icertidoc_143_13694225.apk)), then follow these steps:
Using Emulator:
- Download And Install one Emulator Softwares (Ex: Bluestacks, GenyMotion, NoxPlayer)
- Simple install APK on PC by drag and drop file com.icerti.icertidoc_143_13694225.apk on Emulator screen
I·CERTI 4U APK Pros & Cons [menu]
Pros
- This app is safe, it's not require high risk permissions
- Compatible with 32 bit device (most Emulator using 32bit arch CPU)
- Compatible with 64-bit device (some android device and current Bluestacks)
Cons
Everything is good.
