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Encryption/Decryption Analog voice directly by using raspberry pi0

GSM is the most wide spread mobile communications system in the world. However the security of the GSM voice traffic is not guaranteed especially over the core network. It is highly desirable to have end-to-end secure communications over the GSM voice channel. In order to achieve end-to-end security, speech must be encrypted before it enters the GSM network .

Project requirements:

No JB, Do not install APP, No Internet Connection

Analog Voice Encryption

Encrypting voice of mobile calls (GSM, CDMA, LTE, APP ... calls) directly. Encrypt voice contents before sending into cell phone. Prevent intercept at phone, base station and Telecom server site. Analog encryption guard against crack and hack. Secure your voice contents extremely.

No APP Installation

No Server involvement

project doesn’t need internet connection. project communicate through voice channel. Won’t save or transfer log/key by 3rd party. Less exposure and higher security.

Provide unlimited encrypted phone call minutes. No licenese limitation. Secure phone call forever.

The phone is used to send encrypted voice between the parties.

The piece contains two parts

Part of the sender

Part of the receiver

Where the sender - sends the encrypted voice by phone to the other party

The receiver part decrypts the voice and hears it normally

This video is only to explain and understand the idea well

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Working Conditions:

Final delivery time - 1 to 7 days maximum

If you have the ability to complete the project:-

Please send a picture explaining the mechanism of the project before starting the discussion

Skills: C++ Programming, Electronics, Java, Microcontroller, Python

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About the Employer:
( 0 reviews ) Hebron, Israel

Project ID: #17062409

6 freelancers are bidding on average $401 for this job


Hi! I'm interesting your project very well. I am mastering c++ and I'm a good Mathematician. And also I have many experience and good skill about Encryption algorithm development. Let's go ahead with me

$250 USD in 3 days
(271 Reviews)

******************************************************* my Team of, students/ Senior students freelancers and I ******************************************************* *Hiring student/ senior student or/and expe More

$155 USD in 3 days
(7 Reviews)

Hello, I'm aware that you want to achieve this on model zero and model 3, this offer aims to make the same program under python workimg for both models. First things first, I'm an Electronics Engineer and Software Deve More

$444 USD in 21 days
(1 Review)

Hellol, I have the Raspberry Pi so I will give you one tested solution I invite you to discuss in detail on freelancer-chat Thanks

$1111 USD in 10 days
(3 Reviews)
$222 USD in 3 days
(0 Reviews)

Development of the Internet of Things (IOT) Development of web applications Development of mobile applications Server Admin Software Development (C, C ++, C #, java, python) it's a very good idea, I have a solut More

$222 USD in 3 days
(0 Reviews)