Skip to content
QUALIFIED TRUST SERVICES

Legally compliant digital signatures (eIDAS) to drive forward the digitalization of your business processes.

CORPORATE TRUST SERVICES

Cryptography-based trust services
to protect your digital identities,
data and business secrets.

Qualified electronic signature products based on eIDAS - legally binding and secure.

API GUIDE

Upgrade your application with electronic signatures by primesign.





DOCUMENT SIGNING API

Signing of PDF documents. primesign handles document processing and adds a visual signature stamp.

HASH SIGNING API

Signing of hash values. Your application handles document processing and provides the document viewer.

CASH BOX API

RKSV-compliant JWS- or raw signatures for cash box receipts.





primesign TRUST CENTER

All documents for our qualified trust services, certificate revocation list, root-/CA- certificates, etc.

RESOURCES

Fact sheets, product documentation and more.



Bootemmcwin To Bootimg Extra Quality Review

Open a command prompt or terminal window inside your platform-tools folder and execute the following commands:

Even with the right tools, issues can arise. Here is how to maintain "extra quality" by fixing these problems:

Mount the raw dump to verify the Windows BCD. bootemmcwin to bootimg extra quality

A standard boot image size usually ranges from 16MB to 64MB depending on the device architecture. If your converted file is significantly larger or smaller, review your extraction tool parameters.

In many cases, the tool that generated the bootemmcwin file simply appended a custom extension to a standard raw dump. If the structural integrity is already aligned with Android standards, a simple rename is sufficient. Locate your bootemmcwin file on your Windows PC. Right-click the file and select . Open a command prompt or terminal window inside

Ensure kernel_offset , ramdisk_offset , and tags_offset are exact hex values.

A tool similar to SP Flash Tool but primarily for Samsung devices. It's used to flash ROMs, kernels, and other system files. If your converted file is significantly larger or

To achieve "extra quality," you need a well-prepared environment.

From Windows (if eMMC is internal):

A popular tool for flashing, upgrading, or modifying the firmware of Android devices. It can be used to create and flash boot images.