PHP code example of krzysztofzylka / hash

1. Go to this page and download the library: Download krzysztofzylka/hash library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

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

krzysztofzylka / hash example snippets


use Krzysztofzylka\Hash\VersionedHasher;

// Create a secure password hash (uses Argon2id by default)
$hash = VersionedHasher::createSecure('mypassword');
// Output: $014$argon2id$v=19$m=65536,t=4,p=3$base64salt$base64hash

// Verify password
$isValid = VersionedHasher::verify($hash, 'mypassword'); // true


// Use specific algorithm
$hash = VersionedHasher::create('data', 'bcrypt', ['cost' => 12]);
$hash = VersionedHasher::create('data', 'sha256');
$hash = VersionedHasher::create('data', 'xxh64'); // Fast checksum

// Verify any supported hash
$isValid = VersionedHasher::verify($hash, 'data');


// Check if hash needs upgrade
$needsUpgrade = VersionedHasher::needsRehash($oldHash);
if ($needsUpgrade) {
    $newHash = VersionedHasher::createSecure($password);
    // Update database with new hash
}

// Get hash information
$info = VersionedHasher::getHashInfo($hash);
/*
Array(
    'format' => 'versioned',
    'algorithm' => 'argon2id',
    'version' => '014',
    'secure' => true,
    'strength' => 'high'
)
*/


// Get recommended algorithm for current system
$recommended = VersionedHasher::getRecommendedAlgorithm(); // 'argon2id'

// Get all supported algorithms
$all = VersionedHasher::getSupportedAlgorithms();

// Get only secure algorithms
$secure = VersionedHasher::getSecureAlgorithms();

// Get algorithms by strength
$high = VersionedHasher::getAlgorithmsByStrength('high');


// Custom Argon2id settings
$hash = VersionedHasher::create('password', 'argon2id', [
    'memory_cost' => 131072, // 128 MB
    'time_cost' => 6,        // 6 iterations
    'threads' => 4           // 4 threads
]);

// Custom bcrypt cost
$hash = VersionedHasher::create('password', 'bcrypt', ['cost' => 14]);

// Custom PBKDF2 settings
$hash = VersionedHasher::create('password', 'pbkdf2', [
    'iterations' => 20000
]);


// Migration example
if (VersionedHasher::verify($storedHash, $inputPassword)) {
    // Login successful
    if (VersionedHasher::needsRehash($storedHash)) {
        $newHash = VersionedHasher::createSecure($inputPassword);
        // Update database with $newHash
    }
    // Continue with login process
}


try {
    $hash = VersionedHasher::create('data', 'unsupported_algo');
} catch (Exception $e) {
    echo "Error: " . $e->getMessage();
}

// Check algorithm support before use
if (VersionedHasher::isAlgorithmSupported('argon2id')) {
    $hash = VersionedHasher::create('data', 'argon2id');
}