Build an Android SDK

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Hello, I'm building a crypto payment app infra with a feature to link social login with crypto wallets.

As a part of this product, i want to build an Android SDK which any app A can integrate to get following functionalities :

1. generate a public private key pair locally (not in the server)

2. Take user PIN / password as user input

3. Encrypt private key using this user PIN

4. Store the encrypted key in local device (not on server)

5. Access the stored encrypted key when needed and Decrypt with user PIN input

6. Sign some data with this decrypted key.

In such a manner that all above steps occur within the app A but the app A itself can NEVER access this encrypted or raw Keys stored in the local device, during any process.

If you ae from India, and have used any payment app like PhonePe or GPay, take the UPI pin interface as reference, as this SDK can be imagined to work like UPI SDK being used in Phone Pe app.

Attention:

Apply only if you know what I'm talking about. You'll have to explain your technical approach in order to be evaluated on the commercial part.

Android Mobile App Development Java Architecture Logicielle

Nº du projet : #34727354

À propos du projet

32 propositions Projet à distance Actif il y a un an

32 freelances font une offre moyenne de 152672 ₹ pour ce travail

NovaSofts

ENIOR IPHONE/ANDROID APP DEVELOPER WITH 8+ YEARS EXPERIENCE: Hello, I will surely help you to develop native apps for both Android/iPhone platforms. I have read your requirements and It's something that I can turn aro Plus

₹112500 INR en 7 jours
(442 Commentaires)
8.0
Dominantsoftech

Hi there, I hope you are doing great! I have gone through your project detail as per my understanding we need to Build An Android SDK based on your requirement. I have 8+ years of experience as Android &iOS App devel Plus

₹125000 INR en 15 jours
(12 Commentaires)
4.4
inmortaltech

Hello, I take the opportunity to participate in this bid as I have expert developers (Android and iOS), who are skillful in Native apps, Hybrid apps, and React Native apps. Our developers build, test, and deploy mobil Plus

₹75000 INR en 30 jours
(4 Commentaires)
4.1
tusharkheni7040

Hope you’re having a good day, I will professionally help you out with your project in SDK. I am absolutely sure that I can do the project on time and within your budget. Please discuss the project requirements in m Plus

₹112500 INR en 7 jours
(19 Commentaires)
3.8
Pankaj9810

Hey there ! Good day. I am Pankaj Ranga I would like to work with your project and I can surely provide the details you have specified on the project description. I can confidently say that I am knowledgeable enough to Plus

₹112500 INR en 20 jours
(3 Commentaires)
3.7
bluetris

Hey, I’m 5+ years of experienced Mobile App developer. I work along with my team who are proficient in Native and Hybrid mobile App development both. We've helped 50+ businesses to scale their sales and make their oper Plus

₹112500 INR en 7 jours
(1 Évaluation)
2.6
nalliancetech

Narinder Alliance Technologies LLC USA | Canada | India An IT Consulting and Software Development company. We have a team expert in Software Development, Application Development and Databases. Major offerings include Plus

₹150000 INR en 120 jours
(3 Commentaires)
0.5
poojapatel91

Hi, I have carefully read your job details. You want Crypto Payment App infra with a feature to link social login with crypto wallets.I can definitely help you design and develop apps as per your needs..Please connect Plus

₹75000 INR en 7 jours
(2 Commentaires)
0.0
aditya9587

Hello Sir/ Ma'am, I have seen your project requirements of App developer; I have over 17 years of experience as app & website developer with the technologies mentioning: html, css, javascript, jQuery, bootstrap, php, Plus

₹140000 INR en 30 jours
(1 Évaluation)
0.0
radiantnetwork

Hope all are well at your end. Dear Hiring Authority, Radiant Network LLC is a specialized company in Software & IT business for the last 12 (Twelve) years. We have 55 in-house developers & we are ensuring that your b Plus

₹112500 INR en 7 jours
(0 Commentaires)
0.0
Choudharyshobha7

Hi, I go through your requirements, I had recently done this encrption and decryption for paytm for our project. I can create the private and public key pair locally as well. Let's connect over the chat for more discus Plus

₹75500 INR en 7 jours
(0 Commentaires)
0.0