---
name: "goid-tool"
section: "1"
platform: "linux"
package: "opensc"
version: "0.27.1-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/goid-tool"
---

# goid-tool(1)

smart card utility for GoID fingerprint card

## NAME

goid-tool - smart card utility for GoID fingerprint card

## SYNOPSIS

**goid-tool** \[*OPTIONS*\] \[*mode*\]

## DESCRIPTION

The **goid-tool** utility can be used from the command line to read and write data of the **GoID fingerprint card**\[1\].

## OPTIONS

- **--help**, **-h**

  Print help message on screen.

- **--version**, **-V**

  Print the OpenSC package release version.

- **--reader** *string*, **-r** *string*

  Specify the number of the reader to use. By default, the first reader with present card is used. If the argument is an ATR, the reader with a matching card will be chosen.

- **--verbose**, **-v**

  Cause **goid-tool** to be more verbose. Use it multiple times to be even more verbose.

- **--verify-pin**, **-p**

  Verify PIN.

- **--verify-bio**, **-b**

  Verify finger print.

- **--verify-pin-or-bio**

  Verify PIN or finger print (user's choice).

## OPTIONS FOR SOCMANAGER APPLET

**--new-pin**

Change PIN

**--new-bio**

Use (several times) to change one or more biometric templates

**--info**

Dump Information about the SoCManager's configuration

## OPTIONS FOR PACCESS APPLET

**--certificate** *filename*, **-c** *filename*

Use (several times) to pass CV certificates

**--key**, **-k**,

Private key for the CV certificate

**--print-cardid**

Print the card ID

**--write-cardid** *data*

Write the specified card ID

**--print-paccessid**

Print the PAccess ID

**--write-paccessid** *data*

Write the specified PAccess ID

**--read-dg** *id*

Read the specified data group; use several times to read out multiple files

**--out-file** *filename*

Write output to a file instead of printing it; use once for each use of **--read-dg**

**--write-dg** *id*

Write the specified data group; use several times to write multiple files

**--in-file** *filename*

Read input from a file; use once for each use of **--write-dg**

**--delete-dg** *id*

Delete the specified data group; use several times to delete multiple files

**--create-dg** *id*

Create the specified data group; use several times to create multiple files

**--new-size** *size*

File size of newly created DGs

**--new-read-ac** *condition*

Access condition for reading newly created DGs

**--new-read-ac** *condition*

Access condition for reading newly created DGs

**--new-read-ac-chatbit** *index*

Required access bit in certificate's CHAT for reading newly created DGs

**--new-write-ac** *condition*

Access condition for writing newly created DGs

**--new-write-ac-chatbit** *index*

Required access bit in certificate's CHAT for writing newly created DGs

## SEE ALSO

[**opensc.conf**(5)](/opensc.conf/5.md)

## AUTHORS

**goid-tool** was written by Frank Morgner \<frankmorgner@gmail.com\>.

## NOTES

- 1\.

  GoID fingerprint card

  https://github.com/OpenSC/OpenSC/wiki/GoID-fingerprint-card