Suoritettu

Build an encrypted android messaging application

MANDATORY REQUIREMENTS

Authentication

● 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

alerted.

● Authentication should not require user input and should be automatic

Encryption

● 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

Navigation

● 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.

Performance

● 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

OPTIONAL REQUIREMENTS

● 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:

liuqi0810

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

$100 USD 1 päivässä
(6 Arvostelua)
4.6

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

ksd711

Hello, Hope you are doing well :) Please check my Freelancer profile for my proficiency and expertness https://www.freelancer.com/u/ksd711 Please check some of my apps on different platforms and types I have done : Lisää

$1200 USD 20 päivässä
(75 arvostelua)
7.2
DevStar925

Hello Sir, how are you? I have been working with mobile apps (native and hybrid) for many years. I read your description carefully and understand your requirements fully. I am really interested in your project. I am 10 Lisää

$250 USD 7 päivässä
(65 arvostelua)
7.1
mastersapp

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
(99 arvostelua)
6.8
Inovidia

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

$450 USD 7 päivässä
(26 arvostelua)
5.6
malviya201

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
(6 arvostelua)
5.2
amolyadav04

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

$250 USD 35 päivässä
(22 arvostelua)
4.7
wulongzhu87

✅ 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

$399 USD 7 päivässä
(8 arvostelua)
4.7
leadingmetier

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
(4 arvostelua)
4.1
AndroApps

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

$140 USD 7 päivässä
(15 arvostelua)
4.1
milindaudichya

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
(7 arvostelua)
4.0
codkiller0911

I would like to do this for you as low as possible, as I'm new to doing freelancer stuff. Rest you can PM me and I can share my technical experience. We can discuss the price once you decide to go with me.

$255 USD 30 päivässä
(3 arvostelua)
3.4
akhileshgandhi

Hello, Budget mentioned above is just a placeholder .. CAN START RIGHT AWAY!!! I can help you with this easily and can start work by the time you hire as I have worked on android messaging application before and ca Lisää

$140 USD 7 päivässä
(3 arvostelua)
3.3
zorioninfotech

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

$140 USD 7 päivässä
(1 arvostelu)
1.1
deepaksonidz

Hi, Greetings of the day!!! I carefully reviewed your requirement for quality services you can connect with me. I have more than 8 years of experience in Website & Mobile Application Designing & Development, HTML, HT Lisää

$30 USD 20 päivässä
(0 arvostelua)
0.0