Build an encrypted android messaging application



● The system has to provide a sign up and sign in system that it uses to authenticate users upon login

● Client to client authentication should be provided

● Upon change of already established session key or RSA key pair, clients should be


● Authentication should not require user input and should be automatic


● One on one chats between clients should be provided

● Group chats should be encrypted

● Symmetric keys should be exchanged in a secure manner

● Encryption and decryption of messages should not involve the users

● Individual chat data should be stored on the client machine

● Local chat storage should be encrypted with a different secure algorithm


● The client end application should be user friendly and be easy to use to new users. A

seamless flow of operation should be implemented.

● Navigation between one on one chat and group chat menus should be smooth.


● Encryption and decryption processes should not take up more than recommended

system resources

● Latency of messages should not be experienced as IM applications are meant to be

real time applications

● System should self-synchronize on start


● The applications should support multiple languages and have different design choices for users

● Ability to delete chat history and other items can be implemented.

Taidot: Android, Mobile App Development, Java, C-ohjelmointi, PHP

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Tietoa työnantajasta:
( 0 arvostelua ) Dubai, United Arab Emirates

Projektin tunnus: #20094599

Myönnetty käyttäjälle:


Hi, there! I have read your description carefully and understood what you want to do. -Authentication I am sorry, but you didn't mention about any web server. For Authentication, there should be a web server that man Lisää

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15 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön


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$250 USD 7 päivässä
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Respected Clients.., HOpe you are doing great...., I Can design and development the wok immediately..We work on very similar projects So this is not time taking.., Relevant Skills and Experience I have well expertiz Lisää

$90 USD 7 päivässä
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Greeeting, I have more than 5 years experience in Mobile Applications. I can create any kind application within very sort time. I am a Mobile App Developer working with iOS SDK, Objective C, Swift, Cocoa Touch, UIKit, Lisää

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Hello, I have experience in encryption, i will build the app, I am a skilled and experienced Mobile Application Developer having 4+ years of experience in developing various Apps for Android mobile application platfor Lisää

$140 USD 7 päivässä
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Hello Sir/Mam, We have done the similar project like this. We will give you quality work on your budget and time. Skill: Android,IOS,PHP,Website development,Unity,Codeigniter,Wordpress,Web Design,Logo Design,Xamarin A Lisää

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✅ 100% JOB Success score ✅ 300+ HOURS WORKED. Hi, I am a Mobile Application developer, with programming experience more than 7+ years. I am working as a freelancer. I will find the way to solve any task for you. I Lisää

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Hello, I am skilled in developing Android ,Iphone, and Ipad apps. My skills includes Android SDK, JAVA ,Android Development Webservices, Cocoa Framework ,XCode ,iPhone SDK ,Cocos2D,OpenGL ES, Master Databases (MySQL ; Lisää

$250 USD 20 päivässä
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Hi, I have read your project description of developing encryption based android chat app and glad to have this opportunity of work. Please visit my profile to know about my dedication towards work. I will be available Lisää

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Hello, I have 100% work completion rate. I always provide the fastest results with quality. I have experience of more than 10 years in web development and maintenance. I have in-depth knowledge of PHP, MySQL, javascri Lisää

$52 USD 5 päivässä
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$255 USD 30 päivässä
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$140 USD 7 päivässä
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hi dear sir/mam after reviewing your job requirement carefully We Are100% sure that i can help u to achieve your goal in your time frame with over all 5+year hand of experience in java,php,android,laravel,bootstrap,cod Lisää

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$30 USD 20 päivässä
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