ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify

    public static function crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash)
    {
        ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1);
        ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 2);

        if (self::useNewSodiumAPI()) {
            return (bool) sodium_crypto_pwhash_scryptsalsa208sha256_str_verify(
                (string) $passwd,
                (string) $hash
            );
        }
        if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256_str_verify')) {
            return (bool) call_user_func(
                '\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str_verify',
                (string) $passwd,
                (string) $hash
            );
        }
        // This is the best we can do.
        throw new SodiumException(
            'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP'
        );
    }