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Off-the-record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations. OTR uses a combination of AES symmetric-key algorithm with 128 bits key length, the Diffie–Hellman key exchange with 1536 bits group size, and the SHA-1 hash function.
TextSecure required that the user had a phone number for verification. [35] The number did not have to be the same as on the device's SIM card; it could also be a VoIP number [35] or a landline as long as the user could receive the verification code and have a separate device to set-up the software. A number could only be registered to one ...
Kik Messenger, commonly called Kik, is a freeware instant messaging mobile app from the Canadian company Kik Interactive, available on iOS and Android operating systems. [6]The application uses a smartphone's internet connection to transmit and receive messages, photos, videos, sketches, mobile web pages, and other content after users register a username.
The phone number we contact you with may be different each time. Enable 2-step for phone. 1. Sign in to your Account Security page. 2. Next to "2-Step Verification," click Turn on. 3. Select Phone number for your 2-step verification method. 4. Follow the on-screen prompts to complete the process. Sign in with 2-step for phone. 1.
No one should ever ask you for a six-digit verification code — not a stranger on social media, not tech support, not even your bank. If someone does, end the conversation and block their number ...
A classic example of instant messaging on a desktop computer: the left window of this software showing a list of contacts ("buddy list") and the right window an active IM conversation An example of instant messaging on mobile, featuring the exchange of pictures and audio on top of text. Instant messaging (IM) technology is a type of synchronous ...
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In addition to text messaging, users can make voice and video calls, send multimedia, locations, voice messages, and files. [12] A web app version, Threema Web, can be used on desktop devices, but only as long as the phone with the Threema installation of the user is online. There is a beta for iOS users, where it is possible to take the phone ...