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  • JPKI eSign signature on PDF screenshot 1
  • JPKI eSign signature on PDF screenshot 2
  • JPKI eSign signature on PDF screenshot 3
  • JPKI eSign signature on PDF screenshot 4

About JPKI eSign signature on PDF

Features [My Number Card (Japan ID Card)] ・JPKI (Japanese Public Key Infrastructure) AP JPKI eSIgn to PDF Obtain electronic certificate and verify expiration date ・Card Info confirmation AP Read card info and face photo ・PIN management Retrieve user authentication PIN Read Password retry count Reset PIN [PDF tools] ・Display PDF ・Create one PDF from multiple photos and PDFs ・Scan to PDF with camera ・Verify PDF signed by JPKI Examples of using JPKI signatures ・e-Tax electronic documents for national tax returns ・Registration and deposit network of the Legal Affairs Bureau ・Real estate registration procedures ・Commercial and corporate registration procedures ・Moveable property transfer registration procedures ・Debt transfer registration procedures Electronic signature data Signature format adbe.pkcs7.detached ・Signature algorithm SHA256withRSA ・Type Sig ・Filter Adobe.PPKLite ・SubFilter adbe.pkcs7.detached ・Name <Name on My Number card> ・M <Date and time of digital signature> ・ByteRange <Byte range of part used to generate hash value> ・Contents <PKCS#7 signature data binary format in hexadecimal> Notes ◇About reading My Number Card ・Please hold the card over the smartphone until reading is complete.  -As reading is not accurate on a metal desk, try moving the My Number Card and smartphone away from the desk. -If the response is poor, try removing the cover or case.  -If the card is not held over the smartphone correctly, reading will not be possible. For details, please check the support site below. https://www.jpki.go.jp/faq/trouble/iphone.html ◇About passwords - The signature password is 6-16 alphanumeric characters, and the user authentication PIN is a 4-digit number. - If you enter the signature password incorrectly five times in a row, or the user authentication password incorrectly three times in a row, the password will be locked. - You can unlock the password at your local municipal office. EULA https://github.com/SealSho/app/blob/main/eula.md

Ratings & reviews

4.0

7 ratings

5 ★ 57% 4 ★ 14% 3 ★ 14% 2 ★ 0% 1 ★ 14%

What’s new

Version 2.3.6 · Updated October 22, 2026

Improve performance

App privacy

The developer, 玺 章, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: User ID, Device ID
  • Purchases: Purchase History
  • Usage Data: Product Interaction, Other Usage Data
  • Diagnostics: Crash Data, Performance Data, Other Diagnostic Data

Used for: Developer’s Advertising or Marketing, Analytics, App Functionality

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