---
name: "oct-decrypt"
section: "1"
platform: "linux"
package: "openpgp-card-tools"
version: "0.11.13-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/oct-decrypt"
---

# oct-decrypt(1)

Decrypt data using a card

## NAME

oct-decrypt - Decrypt data using a card

## SYNOPSIS

**oct decrypt** \<**-c**\|**--card**\> \[**-p**\|**--user-pin**\] \[**-o**\|**--output**\] \[**-h**\|**--help**\] \[*input*\]

## DESCRIPTION

Decrypt data using a card

## OPTIONS

- **-c**, **--card** *\<card ident\>*

  Identifier of the card to use

- **-p**, **--user-pin** *\<User PIN file\>*

  Optionally, get User PIN from a file

- **-o**, **--output** *\<output\>*

  Output file (stdout if unset)

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

  Print help

- \[*input*\]

  Input file (stdin if unset)