Android SMS App with Crypto Support

Budget N/A
Bids 14
Average Bid $616

Android App that can do the following in a POC implementation.
1. Configure few parameters as global application setup.
1.1 Store Application Center number.
1.2 Store symmetric key in phone key store (supplied in pem format).
1.3 PIN/Password for transaction execution.
2. Should have access to the phone book.
3. Should have access to the SMS's sent and received.
4. Generate SMS's based on actions required by the user, encrypt them using AES/stored key. General SMS message format should be "SMTF01,". Ciphertext should be as follows based on use-cases described.
4.1 SMS for payment initiation with user interface should generate this message - "PMT00,,,"
=An ID to trace responses received later.
=Recipient selected from the contact.
=Amount (unformatted)
4.2 SMS for balance inquiry - "INQ00,"
5. Parse and respond to SMS's received in store. They follow the same syntax described in 4 and should be process if it has come only from Application Center number. Decrypt using AES/stored key.
5.1 Status of payment done (4.1) as SMS - "CNF00,," for success and "CNF01,," for failure.
5.2 Status of payment received as SMS - "RCP00,,,,".
5.3 Status of account balance received as SMS - "STM00,,". This should be related with inquiry (4.2).

Assume that all communications should happen using single SMS messages in format of "SMTF01,", no concatenation required. More focus should be on functionality than aesthetics.
Should run on Android ICS and above ideally on non-rooted devices.

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  • shabdullah88 Profile Picture


    islamababd,  Pakistan

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    PHP, Java, Graphic Design, and Project Management

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    New delhi,  India

    Quality deliverables, superior project management and smiling and satisfied faces of the clients are not simply the results of our technological prowess but a culmination of years of expertise and working closely with clients to maximize their ROI with full zeal, innovation and proficiency. 1. IPhone Apps & Android Apps 2. Blackberry apps and PDA 3. Web/Windows based application programming. 4. SQL Server database programming

    Mobile Phone, iPhone, Android, and Symbian

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    Mumbai,  India

    I have experience in Java, C; written solutions that deal heavily / primarily with Cryptography, Algorithms

    PHP, C Programming, Java, and Javascript

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    Bangalore,  India

    1. Android, iphone, Windows Apps & Games development. 2. Website design & development. 3. Logo & Banner design. 4. Video Editing & Promotional Video Making. Please visit the below link for my Android work portfolio:

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    india,  India


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    Nonthaburi,  Thailand

    14 years of professional experience in developing applications for Android, iOS Windows and mobile platforms

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    Ho Chi Minh,  Vietnam

    I am an expert iOS and Android developer with 5 years of experience in Mobile Application development. With applications ranging from RSS Readers, implementing QR Code/Bar Code Scanners, implementing GPS and location tracking, working with Google Map API's, integrating with RESTful webservices, Push Notification Integration, Social Media Integrations, Facebook/Twitter Integration, Bluetooth Integration, Photo SHaring Function, Photo Editing, PDF generation and many other functions. With more than 30 mobile apps on iPhone, iPad, Android, Blackberry, Window Phone. I also have developed backend in PHP, Parse and Amazon cloud. I want to help clients from requirements, design, development and testing of mobile application development cycle to deliver the robust solution. I want to help individuals, startups, and companies of all sizes to develop their mobile strategy.

    Mobile Phone, iPhone, Android, and Symbian

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    Bangalore,  India

    Best web services in the world

    Website Design, Graphic Design, Banner Design, and Logo Design

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    ahmedabad,  India

    JoomlaVogue, a pioneer in offshore development and consultancy services specializing in Joomla award-winning Content Management System (CMS) that help build websites and other powerful online applications as per the industry & business requirements, since its inception. Our organization, offering efficient solutions, is always keen on learning & implementing new technologies in the most innovative manner, for better performance and savings. It was duly registered in December 2007. Our core strengths of working as per the client's requirements, reasonable & affordable pricing, and high quality of services offered, enables us to build a long-term relationship with all our customers. The multifarious approach towards each project completed in the past, has helped us improve our productivity & image. Our services as below. Mobile / Application development For Android & iPhone Got a great app idea but not sure what to do about it? We can help you with it. One of our many specialised services includes Mobile Application Development Service. Web development services At any scale desired tailormade solutions from a little theme shop to a high demanding corporate store dealing with large amounts of data and transactions. Offshore Software development Fixed monthly cost, no overhead! Direct control over hiring and retention of team members in Physically and technically secured environment. Our specialization From brochure websites to custom e-commerce solutions, we have it covered. We have a great understanding when it comes to designing and developing websites and mobile app. We ensure everything we build has been optimised for smartphones, tablets & desktops. We also specialise in marketing, branding and product design. Products and services If any of template websites catches your eye but to get your complete satisfaction you would like to change something on it then simply describe, what exactly you need to be changed. You can send us any examples, screenshots, movie guides etc.

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    Mexico,  Mexico

    I am a developer with many skills to research, select the optimal technologies and build applications efficiently. I worked with Java technologies for seven years, two years ago I started working with Rails. I have also developed applications focused on programming languages as translators, compilers and parsers, using Python, Ruby and Perl. I have recently made to applications focused on algorithms cryptography hash functions.

    Java, JSP, Javascript, and Python