ParagonIE_Sodium_Compat::crypto_box_publickey_from_secretkey( string $secretKey ): string

1611    public static function crypto_box_publickey_from_secretkey(1612        #[\SensitiveParameter]1613        $secretKey1614    ) {1615        /* Type checks: */1616        ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1);1617 1618        /* Input validation: */1619        if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) {1620            throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.');1621        }1622 1623        if (self::useNewSodiumAPI()) {1624            return (string) sodium_crypto_box_publickey_from_secretkey($secretKey);1625        }1626        if (self::use_fallback('crypto_box_publickey_from_secretkey')) {1627            return (string) call_user_func('\\Sodium\\crypto_box_publickey_from_secretkey', $secretKey);1628        }1629        if (PHP_INT_SIZE === 4) {1630            return ParagonIE_Sodium_Crypto32::box_publickey_from_secretkey($secretKey);1631        }1632        return ParagonIE_Sodium_Crypto::box_publickey_from_secretkey($secretKey);1633    }