---
name: "pskc_get_key_policy_pinmaxlength"
section: "3"
platform: "linux"
package: "oath-toolkit"
version: "2.6.15-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/pskc_get_key_policy_pinmaxlength"
---

# pskc\_get\_key\_policy\_pinmaxlength(3)

API function

## NAME

pskc\_get\_key\_policy\_pinmaxlength - API function

## SYNOPSIS

**#include \<pskc.h\>**

**uint32\_t pskc\_get\_key\_policy\_pinmaxlength(pskc\_key\_t \*** *key***, int \*** *present***);**

## ARGUMENTS

- pskc\_key\_t \* key

  a **pskc\_key\_t** handle, from **pskc\_get\_keypackage()**.

- int \* present

  output variable indicating whether data was provided or not.

## DESCRIPTION

Get the PSKC KeyPackage Key Policy PINPolicy MaxLength value.  This attribute indicates the maximum length of a PIN that can be set to protect this key.  It MUST NOT be possible to set a PIN longer than this value.  If the 'PINFormat' attribute is set to 'DECIMAL', 'HEXADECIMAL', or 'ALPHANUMERIC', this value indicates the number of digits/ characters.  If the 'PINFormat' attribute is set to 'BASE64' or 'BINARY', this value indicates the number of bytes of the unencoded value.

If *present* is non-NULL, it will be 0 if the field is not present or 1 if it was present.

## RETURNS

an integer holding the content.

## REPORTING BUGS

Report bugs to \<oath-toolkit-help@nongnu.org\>. libpskc home page: https://oath-toolkit.codeberg.page/ General help using GNU software: http://www.gnu.org/gethelp/

## COPYRIGHT

Copyright © 2009-2026 Simon Josefsson.\
 Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.