### Add PassKit SDK Dependency with Composer (JSON)

Source: https://github.com/passkit/passkit-php-quickstart/blob/main/README.md

This JSON snippet configures the composer.json file to include the PassKit PHP gRPC SDK as a project dependency. It specifies the repository URL and the required version, allowing installation via `composer install`.

```JSON
{
  "repositories": [
    {
      "type": "git",
      "url": "https://github.com/passkit/passkit-php-grpc-sdk.git"
    }
  ],
  "require": {
    "passkit/passkit-php-grpc-sdk": "1.1.70"
  }
}
```

--------------------------------

### Include PassKit SDK Autoloader (PHP)

Source: https://github.com/passkit/passkit-php-quickstart/blob/main/README.md

This PHP snippet demonstrates how to manually include the Composer autoloader file after cloning the PassKit PHP gRPC SDK repository. This is an alternative to using Composer's automatic installation.

```PHP
require_once('/path/to/passkit-php-grpc-sdk/vendor/autoload.php');
```

--------------------------------

### Decrypt PassKit SDK Key File (Shell)

Source: https://github.com/passkit/passkit-php-quickstart/blob/main/README.md

This shell command uses OpenSSL to decrypt the `key.pem` file provided with the PassKit SDK credentials. It requires navigating to the `./certs` directory first and entering the one-time password used during credential generation.

```Shell
openssl ec -in key.pem -out key.pem
```

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