In January 2018, Microsoft announced that it would add end-to-end encryption for all Skype users.
As of last week, it appears that the choice chat encryption is available to all Skype users using the latest version of the service.
Microsoft first started rolling out the end-to-end encrypted private chats feature to Insiders in January. At the time, company executives had said that encryption would work for audio calls, text messages and picture, using Open Whisper Systems' industry standard Signal Protocol.
Κατά τη διάρκεια της δοκιμαστικής περιόδου, η ιδιωτική συνομιλία λειτουργούσε μόνο για μία συνομιλία ανά συσκευή τη φορά. Όμως το συγκεκριμένο χαρακτηριστικό λειτουργούσε για όλες της πλατφόρμες που κυκλοφορεί η εφαρμογή: Windows Desktop, iOS, Mac, Android and Linux.
To use Private Conversation, you must select it from the profile of the person you want to chat with. During the conversation, calls, messages and video transmissions/sound/videos are encrypted until the session ends.
Microsoft has reported that Skype has been encrypted for some time, noting that it uses AES 256 bit encryption.
But this is not the same as the end-to-end encryption mentioned above. End-to-end encryption means that not only is the communication channel secure, but the messages stored on the company's servers can only be read by those involved in the conversation.
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