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/home/techb158/ileadtechnology.com/vendor/defuse/php-encryption/src/

/home/techb158/ileadtechnology.com/vendor/defuse/php-encryption/src

Name	Size	Mode	Actions
Exception/	-	0755	rm
Core.php	15720	0644	edit dl rm
Crypto.php	14602	0644	edit dl rm
DerivedKeys.php	779	0644	edit dl rm
Encoding.php	9358	0644	edit dl rm
File.php	27555	0644	edit dl rm
Key.php	2384	0644	edit dl rm
KeyOrPassword.php	4555	0644	edit dl rm
KeyProtectedByPassword.php	4723	0644	edit dl rm
RuntimeTests.php	8375	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/vendor/defuse/php-encryption/src/KeyProtectedByPassword.php (4723B)

<?php

namespace Defuse\Crypto;

use Defuse\Crypto\Exception as Ex;

final class KeyProtectedByPassword
{
    const PASSWORD_KEY_CURRENT_VERSION = "\xDE\xF1\x00\x00";

/**
     * @var string
     */
    private $encrypted_key = '';

/**
     * Creates a random key protected by the provided password.
     *
     * @param string $password
     *
     * @throws Ex\EnvironmentIsBrokenException
     *
     * @return KeyProtectedByPassword
     */
    public static function createRandomPasswordProtectedKey(
        #[\SensitiveParameter]
        $password
    )
    {
        $inner_key = Key::createNewRandomKey();
        /* The password is hashed as a form of poor-man's domain separation
         * between this use of encryptWithPassword() and other uses of
         * encryptWithPassword() that the user may also be using as part of the
         * same protocol. */
        $encrypted_key = Crypto::encryptWithPassword(
            $inner_key->saveToAsciiSafeString(),
            \hash(Core::HASH_FUNCTION_NAME, $password, true),
            true
        );

return new KeyProtectedByPassword($encrypted_key);
    }

/**
     * Loads a KeyProtectedByPassword from its encoded form.
     *
     * @param string $saved_key_string
     *
     * @throws Ex\BadFormatException
     *
     * @return KeyProtectedByPassword
     */
    public static function loadFromAsciiSafeString(
        #[\SensitiveParameter]
        $saved_key_string
    )
    {
        $encrypted_key = Encoding::loadBytesFromChecksummedAsciiSafeString(
            self::PASSWORD_KEY_CURRENT_VERSION,
            $saved_key_string
        );
        return new KeyProtectedByPassword($encrypted_key);
    }

/**
     * Encodes the KeyProtectedByPassword into a string of printable ASCII
     * characters.
     *
     * @throws Ex\EnvironmentIsBrokenException
     *
     * @return string
     */
    public function saveToAsciiSafeString()
    {
        return Encoding::saveBytesToChecksummedAsciiSafeString(
            self::PASSWORD_KEY_CURRENT_VERSION,
            $this->encrypted_key
        );
    }

/**
     * Decrypts the protected key, returning an unprotected Key object that can
     * be used for encryption and decryption.
     *
     * @throws Ex\EnvironmentIsBrokenException
     * @throws Ex\WrongKeyOrModifiedCiphertextException
     *
     * @param string $password
     * @return Key
     */
    public function unlockKey(
        #[\SensitiveParameter]
        $password
    )
    {
        try {
            $inner_key_encoded = Crypto::decryptWithPassword(
                $this->encrypted_key,
                \hash(Core::HASH_FUNCTION_NAME, $password, true),
                true
            );
            return Key::loadFromAsciiSafeString($inner_key_encoded);
        } catch (Ex\BadFormatException $ex) {
            /* This should never happen unless an attacker replaced the
             * encrypted key ciphertext with some other ciphertext that was
             * encrypted with the same password. We transform the exception type
             * here in order to make the API simpler, avoiding the need to
             * document that this method might throw an Ex\BadFormatException. */
            throw new Ex\WrongKeyOrModifiedCiphertextException(
                "The decrypted key was found to be in an invalid format. " .
                "This very likely indicates it was modified by an attacker."
            );
        }
    }

/**
     * Changes the password.
     *
     * @param string $current_password
     * @param string $new_password
     *
     * @throws Ex\EnvironmentIsBrokenException
     * @throws Ex\WrongKeyOrModifiedCiphertextException
     *
     * @return KeyProtectedByPassword
     */
    public function changePassword(
        #[\SensitiveParameter]
        $current_password,
        #[\SensitiveParameter]
        $new_password
    )
    {
        $inner_key = $this->unlockKey($current_password);
        /* The password is hashed as a form of poor-man's domain separation
         * between this use of encryptWithPassword() and other uses of
         * encryptWithPassword() that the user may also be using as part of the
         * same protocol. */
        $encrypted_key = Crypto::encryptWithPassword(
            $inner_key->saveToAsciiSafeString(),
            \hash(Core::HASH_FUNCTION_NAME, $new_password, true),
            true
        );

$this->encrypted_key = $encrypted_key;

return $this;
    }

/**
     * Constructor for KeyProtectedByPassword.
     *
     * @param string $encrypted_key
     */
    private function __construct($encrypted_key)
    {
        $this->encrypted_key = $encrypted_key;
    }
}

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