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# ssh2_auth_pubkey_file

(PECL)

ssh2_auth_pubkey_file -- Authenticate using a public key

## Description

bool ssh2_auth_pubkey_file ( resource session, string username, string pubkeyfile, string privkeyfile [, string passphrase] )

Authenticate using a public key read from a file. If privkeyfile is encrypted (which it should be), the passphrase must be provided.

Example 1. Authentication using a public key
`<?php $connection = ssh2_connect('shell.example.com', 22, array('hostkey'=>'ssh-rsa')); if (ssh2_auth_pubkey_file($connection, 'username', '/home/username/.ssh/id_rsa.pub', '/home/username/.ssh/id_rsa', 'secret')) { echo "Public Key Authentication Successful\n"; } else { die('Public Key Authentication Failed'); } ?>`

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