app\models\LdapUser::generate_password PHP Method

    private static function generate_password($password, $encryptionType)
    {
        switch (strtolower($encryptionType)) {
            case 'blowfish':
                if (defined('CRYPT_BLOWFISH') == false || CRYPT_BLOWFISH == 0) {
                    throw new \Exception(yii::t('yii', 'Your system crypt library does not support blowfish encryption'));
                }
                # Hardcoded to second blowfish version and set number of rounds
                return sprintf('{CRYPT}%s', crypt($password, '$2a$12$' . self::random_salt(13)));
                break;
            case 'crypt':
                //$new_value = sprintf('{CRYPT}%s',crypt($password_clear,substr($password_clear,0,2)));
                return sprintf('{CRYPT}%s', crypt($password, self::random_salt(2)));
                break;
            case 'ext_des':
                # Extended des crypt. see OpenBSD crypt man page.
                if (defined('CRYPT_EXT_DES') == false || CRYPT_EXT_DES == 0) {
                    throw new \Exception(yii::t('yii', 'Your system crypt library does not support extended DES encryption'));
                }
                return sprintf('{CRYPT}%s', crypt($password, '_' . self::random_salt(8)));
                break;
            case 'k5key':
                return sprintf('{K5KEY}%s', $password);
                break;
            case 'md5':
                return sprintf('{MD5}%s', base64_encode(pack('H*', md5($password))));
                break;
            case 'md5crypt':
                if (defined('CRYPT_MD5') == false || CRYPT_MD5 == 0) {
                    throw new \Exception(yii::t('yii', 'Your system crypt library does not support md5crypt encryption'));
                }
                return sprintf('{CRYPT}%s', crypt($password, '$1$' . self::random_salt(9)));
                break;
            case 'sha':
                # Use php 4.3.0+ sha1 function, if it is available.
                if (function_exists('sha1') == true) {
                    return sprintf('{SHA}%s', base64_encode(pack('H*', sha1($password))));
                } elseif (function_exists('mhash')) {
                    return sprintf('{SHA}%s', base64_encode(mhash(MHASH_SHA1, $password)));
                } else {
                    throw new \Exception(yii::t('yii', 'Your PHP install does not have the mhash() function. Cannot do SHA hashes'));
                }
                break;
            case 'ssha':
                if (function_exists('mhash') == true && function_exists('mhash_keygen_s2k') == true) {
                    mt_srand((double) microtime() * 1000000);
                    $salt = mhash_keygen_s2k(MHASH_SHA1, $password, substr(pack('h*', md5(mt_rand())), 0, 8), 4);
                    return sprintf('{SSHA}%s', base64_encode(mhash(MHASH_SHA1, $password . $salt) . $salt));
                } else {
                    throw new \Exception(yii::t('yii', 'Your PHP install does not have the mhash() or mhash_keygen_s2k() function. Cannot do S2K hashes'));
                }
                break;
            case 'smd5':
                if (function_exists('mhash') == true && function_exists('mhash_keygen_s2k') == true) {
                    mt_srand((double) microtime() * 1000000);
                    $salt = mhash_keygen_s2k(MHASH_MD5, $password, substr(pack('h*', md5(mt_rand())), 0, 8), 4);
                    return sprintf('{SMD5}%s', base64_encode(mhash(MHASH_MD5, $password . $salt) . $salt));
                } else {
                    throw new \Exception(yii::t('yii', 'Your PHP install does not have the mhash() or mhash_keygen_s2k() function. Cannot do S2K hashes'));
                }
                break;
            case 'sha512':
                if (function_exists('openssl_digest') == true && function_exists('base64_encode') == true) {
                    return sprintf('{SHA512}%s', base64_encode(openssl_digest($password, 'sha512', true)));
                } else {
                    throw new \Exception(yii::t('yii', 'Your PHP install doest not have the openssl_digest() or base64_encode() function. Cannot do SHA512 hashes'));
                }
                break;
            case 'clear':
            default:
                return $password;
        }
    }