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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.

Квалификация: Android, Mobile App Development, Java, Программирование на С, PHP

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О работодателе:
( 0 отзыв(-а, -ов) ) Dubai, United Arab Emirates

ID проекта: #20094599

Поручен:

liuqi0810

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$100 USD за 1 день
(6 отзывов(-а))
4.6

15 фрилансеров(-а) в среднем готовы выполнить эту работу за $259

ksd711

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(75 отзывов(-а))
7.2
DevStar925

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$250 USD за 7 дней(-я)
(65 отзывов(-а))
7.1
mastersapp

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6.8
Inovidia

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$450 USD за 7 дней(-я)
(26 отзывов(-а))
5.6
malviya201

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(6 отзывов(-а))
5.2
amolyadav04

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4.7
wulongzhu87

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4.7
leadingmetier

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4.1
AndroApps

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(15 отзывов(-а))
4.1
milindaudichya

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4.0
codkiller0911

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(3 отзывов(-а))
3.4
akhileshgandhi

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$140 USD за 7 дней(-я)
(3 отзывов(-а))
3.3
zorioninfotech

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(1 отзыв)
1.1
deepaksonidz

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0.0