yubico-piv-tool ☆

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Description:
Command-line tool for the YubiKey PIV application

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | @Yubico | formulae.brew.sh

Category: Security

Tags: yubikey piv security smart-card authentication cryptography

Install: brew install yubico-piv-tool

About:
Yubico PIV Tool is a command-line utility for interacting with the Personal Identity Verification (PIV) application on YubiKeys. It enables users to manage keys and certificates, perform digital signatures, and encrypt or decrypt data. The tool is essential for developers and security professionals configuring hardware-backed authentication and secure communication channels.

Key Features:

Manage private keys and X.509 certificates on the YubiKey
Perform PIN/PUK management and device reset operations
Support for RSA and ECC key generation and operations
Import/export and generate self-signed certificates
Interactive and scriptable command-line interface

Use Cases:

Configuring a YubiKey for use as a smart card for user authentication
Generating and storing certificate signing requests (CSRs) on hardware
Setting up a YubiKey for SSH authentication using PIV certificates
Managing enterprise smart card deployments and certificate lifecycle

Alternatives:

ykman – The YubiKey Manager (ykman) is a more modern, Python-based tool that also supports FIDO2 and OTP applications, whereas yubico-piv-tool is focused specifically on the PIV applet.
OpenSC – OpenSC provides a broader suite of smart card utilities and libraries, while yubico-piv-tool is a dedicated, streamlined utility for YubiKey's PIV functionality.

Version History

Detected	Change	Commit
Sep 15, 2025 11:17am	VERSION_BUMP	27d45076
Dec 19, 2024 11:49am	VERSION_BUMP	7495e2e4
Dec 19, 2024 11:15am	VERSION_BUMP	7354c64c
Nov 13, 2024 10:49am	VERSION_BUMP	e1ef586e
Sep 12, 2024 5:11pm	VERSION_BUMP	e4fe2e0b
Sep 12, 2024 4:10pm	VERSION_BUMP	f39c8f82