PHP code example of spatie / laravel-ciphersweet

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

spatie / laravel-ciphersweet example snippets

return [
    /*
     * This controls which cryptographic backend will be used by CipherSweet.
     * Unless you have specific compliance     * Select which key provider your application will use. The default option
     * is to read a string literal out of .env, but it's also possible to
     * provide the key in a file or use random keys for testing.
     *
     * Supported: "file", "random", "string"
     */

    'provider' => env('CIPHERSWEET_PROVIDER', 'string'),

    /*
     * Set provider-specific options here. "string" will read the key directly
     * from your .env file. "file" will read the contents of the specified file
     * to use as your key. "custom" points to a factory class that returns a
     * provider from its `__invoke` method. Please see the docs for more details.
     */
    'providers' => [
        'file' => [
            'path' => env('CIPHERSWEET_FILE_PATH'),
        ],
        'string' => [
            'key' => env('CIPHERSWEET_KEY'),
        ],
    ],
    
    /*
     * The provided code snippet checks whether the $permitEmpty property is set to false
     * for a given field. If it is not set to false, it throws an EmptyFieldException indicating
     * that the field is not defined in the row. This ensures that the code enforces the 

use Spatie\LaravelCipherSweet\Contracts\CipherSweetEncrypted;
use Spatie\LaravelCipherSweet\Concerns\UsesCipherSweet;
use ParagonIE\CipherSweet\EncryptedRow;
use ParagonIE\CipherSweet\BlindIndex;
use Illuminate\Database\Eloquent\Model;

class User extends Model implements CipherSweetEncrypted
{
    use UsesCipherSweet;
    
    /**
     * Encrypted Fields
     *
     * Each column that should be encrypted should be added below. Each column
     * in the migration should be a `text` type to store the encrypted value.
     *
     * 

$user = User::whereBlind('email', 'email_index', '[email protected]');

class CustomBackendFactory {
    public function __invoke()
    {
        return new CustomBackend();
    }
}

class CustomBackend implements BackendInterface {

    public function encrypt(string $plaintext, SymmetricKey $key, string $aad = ''): string
    {
        // Your logic here.
    }

    public function decrypt(string $ciphertext, SymmetricKey $key, string $aad = ''): string
    {
        // Your logic here.
    }

    public function blindIndexFast(string $plaintext, SymmetricKey $key, ?int $bitLength = null): string
    {
        // Your logic here.
    }

    public function blindIndexSlow(string $plaintext, SymmetricKey $key, ?int $bitLength = null, array $config = []): string
    {
        // Your logic here.
    }

    public function getIndexTypeColumn(string $tableName, string $fieldName, string $indexName): string
    {
        // Your logic here.
    }

    public function deriveKeyFromPassword(string $password, string $salt): SymmetricKey
    {
        // Your logic here.return new SymmetricKey('123');
    }

    public function doStreamDecrypt($inputFP, $outputFP, SymmetricKey $key, int $chunkSize = 8192, ?AAD $aad = null): bool
    {
        // Your logic here.
    }

    public function doStreamEncrypt($inputFP, $outputFP, SymmetricKey $key, int $chunkSize = 8192, string $salt = Constants::DUMMY_SALT, ?AAD $aad = null): bool
    {
        // Your logic here.
    }

    public function getFileEncryptionSaltOffset(): int
    {
        // Your logic here.
    }

    public function getPrefix(): string
    {
        // Your logic here.
    }
}

class CustomKeyProviderFactory {
    public function __invoke()
    {
        return new CustomKeyProvider();
    }
}

class CustomKeyProvider implements KeyProviderInterface {

    public function getSymmetricKey(): SymmetricKey
    {
        return new SymmetricKey(''); // Your logic here.
    }
}

bash
php artisan vendor:publish --tag="ciphersweet-migrations"
php artisan migrate

bash
php artisan vendor:publish --tag="ciphersweet-config"

bash
php artisan ciphersweet:generate-key

text
CIPHERSWEET_KEY=<YOUR-KEY>

bash
php artisan ciphersweet:encrypt <your-model-class> <generated-key>