Download JPKI eSign signature on PDF App V. 2.1.2
Apple AppStore - Google Play
JPKI eSign signature on PDF App V. 2.1.2
by 玺 章
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 A - More Info...

Available Since: 2023-12-19
Developer: 玺 章
Seller: 玺 章
Price: 0 USD
Current version: 2.1.2
Last Updated: 2025-08-10

Ratings: 4.59 out of 5 stars.
Based on 5 reviews. (Rate/Review)
Genre: Productivity
Filesize: 31.83MB
IOS Bundle ID: net.99zz.jpki
Age Rating: 4+
Languages: EN, JA, ZH

Videos: JPKI eSign signature on PDF App Videos

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

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