GB/T 31308.3-2023 Long-lasting signatures of data elements, processes and documents in administration, commerce and industry Part 3: Long-lasting signature specifications for PDF Advanced Electronic Signatures (PAdES) (English Version)
2023GB/T 31308.3-2023 Long-lasting signatures of data elements, processes and documents in administration, commerce and industry Part 3: Long-lasting signature specifications for PDF Advanced Electronic Signatures (PAdES)