- How does whatsapp work on iphone android#
- How does whatsapp work on iphone code#
- How does whatsapp work on iphone password#
- How does whatsapp work on iphone free#
and that by keeping the cloud backup function active, messages are stored on Google (if you are using Android) or Apple (if you are using iPhone) servers. Furthermore, it must be said that WhatsApp reserves the right to keep all the metadata of the conversations: the "names" of those who send the messages, the times when communications are delivered, etc.
How does whatsapp work on iphone code#
Unfortunately, however, it is a closed source application, it is not possible to thoroughly inspect the source code and therefore no one can know if the implementation of end-to-end encryption is flawless. In short, WhatsApp is to be considered a reasonably safe application. With this system, messages arrive on WhatsApp servers in encrypted form and their content can only be read by legitimate senders and recipients. With end-to-end encryption, user messages are encrypted with a system consisting of two keys: a public key that is shared with your interlocutor and is used to encrypt outgoing messages, and a private key that instead resides on the smartphone of each user and allows to decrypt incoming communications. WhatsApp protects the privacy of users through a system called end-to-end encryption.
How does whatsapp work on iphone password#
The two blue ticksinstead, they signal the reading of the message by the recipient.Īs mentioned above, the authentication of users on WhatsApp takes place through their phone number, which is associated with a password generated automatically by the system (which must not be typed in, access occurs automatically via a telephone number). When the message arrives at its destination, the server sends a second confirmation to the sender's application by displaying the desired icon with the two check marks. WhatsApp messages are sent from the client (ie from the application that the user has installed on their smartphone) to the service server, which sends a confirmation "signal", which in the app is signaled as a single sign of check green, and then to deliver the message to the recipient (as soon as the latter's client is active). XMPP is an XML-based set of open instant messaging protocols that are spread across thousands of servers across the Internet. To understand how WhatsApp works from a technical point of view, it must be said that the application uses a custom XMPP server with proprietary extensions. The accounts have no expiration date and there are no extra features that can be unlocked for a fee, all messages that invite you to buy WhatsApp or announce its transformation into a paid application are to be considered a scam.
How does whatsapp work on iphone free#
Until recently, there was an annual fee of 0,89 euros after the first 12 months of using the application, but since January 2016 the service has become completely free and therefore you don't have to pay even a cent. Sending messages, photos and videos is totally free (excluding, of course, the cost of data traffic when browsing in 3G / LTE). There are also computer clients that allow you to use WhatsApp on Windows and macOS, but they are always linked to the smartphone, that is, they can only be used if the smartphone on which WhatsApp is installed is turned on and connected to the Internet (not necessarily to the same Wi- Fi, 3G / LTE connection is fine too).
How does whatsapp work on iphone android#
This means that if you have an Android smartphone you can also communicate with those who use iPhone and Windows Phone, and vice versa.
It is compatible with Android, iOS and Windows Phone and works independent of the operating system used by users. WhatsApp is a multi-platform messaging application that allows you to send messages, photos, videos, documents and voice recordings to other users via the Internet using your phone number as an identifier. Let's start with a brief description of WhatsApp and its main features.
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