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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.
The original code for Android SMS messaging was released in 2009 integrated into the Operating System. [7] It was released as a standalone application independent of Android with the release of Android 5.0 Lollipop in 2014, replacing Google Hangouts as the default SMS app on Google's Nexus line of phones.
The Galaxy S7 and S7 Edge are the last two phones in the Samsung Galaxy S series to have a physical home button with a front-sided fingerprint sensor embedded in the button. The S7 Active is the last in the Active series to feature three physical buttons with the fingerprint reader embedded home button, when not considering the prematurely ...
Tap "Private" in the bottom-left (iPhone) or top-right (iPad) to enter Private Browsing Mode. You can exit it in the same way. You can keep an entirely separate set of pages open in Private mode.
Kik introduced several new user features in 2015, including a full-screen in-chat browser that allows users to find and share content from the web; [147] a feature allowing users to send previously recorded videos in Kik Messenger for Android and iOS; and "Kik Codes", which assigns each user a unique code similar to a QR code, making it easier ...
Examples of such messaging services include: Skype, Facebook Messenger, Google Hangouts (subsequently Google Chat), Telegram, ICQ, Element, Slack, Discord, etc. Users have more options as usernames or email addresses can be used as user identifiers, besides phone numbers. Unlike the phone-based model, user accounts on a multi-device model are ...
Samsung Knox provides hardware and software security features that allow business and personal content to coexist on the same device. Knox integrates web services to assist organizations in managing fleets of mobile devices, which allows IT administrators to register new devices, identify a unified endpoint management (UEM) system, define the organizational rules that govern the use of devices ...
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.