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Cryptography OTR library

$750-1500 USD

Cerrado
Publicado hace más de 7 años

$750-1500 USD

Pagado a la entrega
Hello cryptographers, This job offer is only for the ones who already worked with OTR ! We need a Off-the-Record Messaging (OTR) - cryptographic protocol for messaging Application + API using a combination of AES symmetric-key algorithm with 256 bits key length. We are developing our own Messenger, which need to use the OTR encryption and OTR client library. The messenger is build in Java and C#. A side of the OTR cryptographic protocol API, we need you to setup also a secure XMPP server, with Openfire Administration. So basically: - OTR contacts library - 256-bit AES messaging encryption - Secure symmetric-key to encrypt messages - Secure symmetric-key to decrypt messages - Private zero-knowledge XMPP-server Budget is around $1000 We need it ready within one / two weeks.
ID del proyecto: 11599967

Información sobre el proyecto

11 propuestas
Proyecto remoto
Activo hace 7 años

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11 freelancers están ofertando un promedio de $1.581 USD por este trabajo
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Can help... I am an Expert... Lets Start! Please start a Discussion with me and we can get started from there... Please check the past projects I have handled and check my reviews for what employers have to say about my work... Can start right now...
$5.000 USD en 30 días
4,9 (33 comentarios)
6,0
6,0
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I am an IITK graduate, 9 year experienced software professional and I have got top notch developers in my team, who have got experience across a span of technologies. The members in my team have worked with top notch tech organization such as Amazon, Cisco, Oracle etc. We have been involved in similar projects in the past and our track record has been excellent.
$1.250 USD en 20 días
4,0 (25 comentarios)
5,6
5,6
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I have three years of experience in cryptography. I have developed security programs in both Java and C#. I'll have no trouble finishing your project on time.
$1.250 USD en 20 días
5,0 (1 comentario)
1,2
1,2
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RAS Inforays Technologies (P) Ltd. is a Pune based Software Development Company. Serve IT services for various industries across the globe since 20th Oct 2006 with 100% Quality service. We have developed countless number of Web Applications, Custom Applications, Mobile Applications including CMS web design, Ecommerce, CRM, PMS, CRM, PMS, HRM, ERP, Helpdesk, Travel Portal, Real Estate, Jobs Portal, Payday Loan portal, Online Gaming, Online Betting, Online Lottery system and many more … Along with the Responsive Design & Development we also Provide Internet Marketing. SEO ( Search Engine Optimization ) , SMO ( Social Media Optimization ), Brand Promotion, PPC ( Pay Per Click ) to our valued client.
$1.250 USD en 20 días
0,0 (0 comentarios)
0,0
0,0
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Hello. Our company exists since 2014 and at the moment we are aimed on expansion abroad. We have already implemented more than 70 projects in Russia and CIS. And we are ready to take new projects and execute them on time. The price for the hour of work is low because we need references and to take projects as earlier as it possible.
$1.488 USD en 23 días
0,0 (0 comentarios)
0,0
0,0

Sobre este cliente

Bandera de SPAIN
Den Haag, Spain
4,9
145
Forma de pago verificada
Miembro desde jun 14, 2012

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