Salaustekniikat Työt ja kilpailut

Cryptography is the study of hiding information. It intersects the disciplines of engineering, computer science and mathematics. Cryptography is involved in securing passwords, access to sensitive material and to computer systems. If your business needs help with cryptography, you can hire freelance cryptography experts to fulfill your tasks. Start by posting your cryptography task today!
Rekisteröidy ja ala tienaamaan
Rekisteröidy ja ala ansaitsemaan. Oletko a Cryptographer? Voisit ansaita rahaa tekemällä näitä töitä!

Selaa työpaikkoja Freelancerissa

Projekti/Kilpailu Kuvaus Tarjouksia/töitä Taitoja Alkoi Loppuu Hinta (EUR)
Computing Work Need Expert Help For Computing Project 5 Pilvitietotekniikka , Salaustekniikat, Koneoppiminen, Kuvantaminen, Big Data Sep 21, 2017 Tänään6 pv 16 h €17
Enhancing Network Security in a network using Stegnography & Cryptography -- 2 Enhancing Network Security in a network using Stegnography & Cryptography Proposed project includes Stegnography where encrypted data is hidden into the image and then image is transmitted in the network. For encryption, different algorithms such as DES, MAES with AES and for key exchange method RSA and Diffie-Hellmen to be applied to maintain strong security with stegnography using LSB. The ... 3 Tietoturva, Pilvitietotekniikka , sähkötekniikka, Salaustekniikat, Koneoppiminen Sep 21, 2017 Tänään6 pv 12 h €173
Enhancing Network Security in a network using Stegnography & Cryptography Enhancing Network Security in a network using Stegnography & Cryptography Proposed project includes Stegnography where encrypted data is hidden into the image and then image is transmitted in the network. For encryption, different algorithms such as DES, MAES with AES and for key exchange method RSA and Diffie-Hellmen to be applied to maintain strong security with stegnography using LSB. The ... 10 Matlab ja Mathematica, Tietoturva, Algoritmi, Salaustekniikat, C++ -ohjelmointi Sep 21, 2017 Tänään6 pv 11 h €240
RANSOMWARE .ARENA Hello, I had a ransomware hit my server 4 days ago, and I need an expert to help me de-crypt some encrypted files The email of hacker is sindragosa@[osoite poistettu, kirjaudu sisään nähdäksesi] Please apply only if you can solve a ransomware security problem before I have a sample that I can send to check if you can de-crypt we can work together Look attached a BAT... 1 Salaustekniikat Sep 20, 2017 Sep 20, 20175 pv 21 h €743
Entropy analysis -- -- 4 I am looking for help in conducting analysis . This analysis will be based on average min entropy . please contact me for further details. 13 Tietoturva, Algoritmi, Salaustekniikat, Matematiikka, Tilastoanalyysi Sep 20, 2017 Sep 20, 20175 pv 4 h €127
cryptocurrency i want one brand new crypto coin. 9 PHP, Salaustekniikat Sep 19, 2017 Sep 19, 20174 pv 10 h €385
Develop New Crypto currency We are looking for entirely new Digital coin similar bitcoin ,ethereum ,ripple ,litecoin etc. If you are new to this technology, don't bother to bid on this project. Before bidding I'll request best expert to provide similar work if they have done any, and please avoid posting automated or duplicate proposal for this project. Selected freelancer will be given detail documentation... 15 Python, Golang, Salaustekniikat, C++ -ohjelmointi, Bitcoin Sep 18, 2017 Sep 18, 20173 pv 19 h €4289
Factor Weak Moduli for RSA 1024 - Test I have a pair of weakly generated RSA public key moduli that I could use a hand in factoring and solving from an online challenge. Deadline: 3 hours. 7 Salaustekniikat, OpenSSL , Koodaus, Ohjelmointi Sep 18, 2017 Sep 18, 20173 pv 8 h €29
REQUIRED: MULTI CRYPTOCURRENCY WALLET DEVELOPMENT Hi guys. I basically want a multi wallet with BTC, LITECOIN OR ETHER & my new altcoin. I have seen multi wallets before and basically just want a simple built in system where people can transfer my coin with btc and another major currency. The other thing to consider is that my soon to be released currency has a set price of [osoite poistettu, kirjaudu sisään nähdä... 19 PHP, C-ohjelmointi, Salaustekniikat, C++ -ohjelmointi, Bitcoin Sep 17, 2017 Sep 17, 20172 pv 21 h €548
clone coinmama.com This will be a clone of [osoite poistettu, kirjaudu sisään nähdäksesi] coin exchange, there will be a few differences disclosed via PM. Preferred candidates will have experience in blockchain and cryptography PROPOSED MILESTONES: 1. [ ]wireframe/UI approval 2. [ ]develop on server 3. [ ]connect to exchange gemini for instant buy and sell functions using USD. 4. [ ... 26 Salaustekniikat, HTML5, node.js, Bitcoin, Angular.js Sep 17, 2017 Sep 17, 2017Loppunut €1999
Calculate / find SHA256 hash sequence (GPU, Quantum Computing) I'm looking for someone who can help me come up with the best possible solution for a project my company is doing for one of our university clients. Geeks and creative minds are most welcome! This is a programmatic task. Imagine there is a sequence of 2 million SHA256 hashes and each hash on the list is generated based on the previous one, so for example hash number 1 is: $hash1 =... 20 PHP, Kvantti, Salaustekniikat, UNIX, Ohjelmointi Sep 16, 2017 Sep 16, 20171 pv 9 h €13025
Develop New Crypto currency (coin) We are looking for entirely new Digital coin similar bitcoin ,ethereum ,ripple ,litecoin etc. If you are new to this technology, don't bother to bid on this project. Before bidding I'll request best expert to provide similar work if they have done any, and please avoid posting automated or duplicate proposal for this project. Selected freelancer will be given detail documentatio... 13 Python, Golang, Salaustekniikat, C++ -ohjelmointi, Bitcoin Sep 16, 2017 Sep 16, 20171 pv 3 h -
Setup XMPP Server for PGP + OTR Communication Hello, We need a XMPP Server using OpenFire CMS / Server for both PGP + OTR communication. Where one account can be used for both PGP and OTR communication. Using "one" Domain + Server + IP address + OpenFire CMS. Server should also accept; - File Transfers - Media Transfers - Share vCards - SSL / TLS - Groupchat And of course, server should be highly secured. Ready... 4 Salaustekniikat, Web hosting, XMPP Sep 14, 2017 Sep 14, 2017Loppunut €97
Build a New Digital coin based on BTC/ETH/LTC Please take note of the following: 1. We want our Blockchain to be compatible with all programming and coding languages just like ANTSHARES and not like ETHEREUM which works only with SOLIDITY, as this will enable us generate a larger following of users and miners. 2. We want our Blockchain to have the ability to combine gas/fees, smart contracts and DApps like in ETHEREUM and ANTSHARES. 3. We ... 9 PHP, Golang, Salaustekniikat, C++ -ohjelmointi, Bitcoin Sep 14, 2017 Sep 14, 20176 pv 2 h -
Write ICO white paper Expert in blockchain required to write a white paper for upcoming ICO that can explain the technical side of the idea. Architecture, design, and implementation of a blockchain environment including but not limited to the consensus layer, distributed ledger, and smart contracts layer. 23 Python, Salaustekniikat, C++ -ohjelmointi, Angular.js, Blockchain Sep 13, 2017 Sep 13, 2017Loppunut €1149
ICO white paper -- 2 Expert in blockchain required to write a white paper for upcoming ICO that can explain the technical side of the idea. Architecture, design, and implementation of a blockchain environment including but not limited to the consensus layer, distributed ledger, and smart contracts layer. 19 Tekninen kirjoittaminen, Salaustekniikat, Bitcoin, Blockchain, Ethereum Sep 13, 2017 Sep 13, 2017Loppunut €1186
Create a cryptocurrency based exchange 1. Minimum 4 languages 2. Three fiat currencies. 3. Option of test environment (see and test software modifications without influencing real exchange) 4. Distributed shared orderbook. 5. Market Marker. (Create artificial liquidity using artificial trading accounts) [osoite poistettu, kirjaudu sisään nähdäksesi] plugin for E-commerce 7. Visually pleasing, user friendly. ... 14 Verkkoturva, Tietoturva, Salaustekniikat, Bitcoin, Koodaus Sep 12, 2017 Sep 12, 2017Loppunut €20
Website and Android Mobile Application ONLY APPLY IF YOU HAVE PRIOR CRYPTOCURRENCY EXP We are looking to create (FAST) a new cryptocurrency and need an experience cryptocurrency developer that can develop/build a Bitcoin alternative coin This should be very straightforward for someone with experience in C and Bitcoin (Crypto Currency and Alt-Coins) hence the size of the project. This would be like a hybrid Litecoin with a few imp... 11 C-ohjelmointi, Salaustekniikat, C++ -ohjelmointi, Bitcoin, Blockchain Sep 12, 2017 Sep 12, 2017Loppunut €2154
Purchase already developed bitcoin exchange site (Do not develop new) Purchase already developed bitcoin exchange site (Do not develop new) But I hope to purchase the system already developed Hope site function ==> [osoite poistettu, kirjaudu sisään nähdäksesi] Bit Coin Exchange Site development and All features * admin panel * Multilingual Language System (english and Portuguese and etc..) * Site response * wallet (Be able to sen... 10 PHP, Algoritmi, Salaustekniikat, MySQL, Matematiikka Sep 11, 2017 Sep 11, 2017Loppunut €1435
Entropy analysis -- -- 3 I am looking for help in conducting analysis . This analysis will be based on average min entropy . please contact me for further details. 23 Tietoturva, Algoritmi, Salaustekniikat, Matematiikka, Tilastoanalyysi Sep 10, 2017 Sep 10, 2017Loppunut €85
Optimize a gpu miner I'm looking at optimizing a current gpu miner looking for a good opencl contractor that understands algorithms especially crypto. AES etc.. 8 Algoritmi, Salaustekniikat, GPGPU, C++ -ohjelmointi, OpenCL Sep 10, 2017 Sep 10, 2017Loppunut -
Install/run Gunbot on a VPS (Droplet) [osoite poistettu, kirjaudu sisään nähdäksesi] Initial set up a Gunbot on a VPS to buy and sell cryptocurrency ..... [osoite poistettu, kirjaudu sisään nähdäksesi] were VPS Droplet was purchased.......... 3 Algoritmi, Salaustekniikat Sep 10, 2017 Sep 10, 2017Loppunut €43
Hire a Content Writer for cryptocurrency , bitcoin based website Hello I need content writer for website based on cryptocurrency I don't need any copy/pest work , I need unique content for website , I need 6 to 7 page content writing Content writer must have experience about different cryptocurrency coin and network marketing. I am happy to give you project. 17 Salaustekniikat, Bitcoin, Sisällöntuotanto, Ethereum, Content Marketing Sep 10, 2017 Sep 10, 2017Loppunut €178
Research - Encryption in RTS and DDS I have an immediate project to do an advanced research on the subject of group key encryption (GKE) in Real-Time Systems (RTS) and Data Distribution Services (DDS). The outcome of the project should be a good quality write up on the subject with mathematical modeling, analysis, and simulation. In this phase, I am looking for a researcher with the following: 1. Proven record of high qual... 14 Tietoturva, Tieteellinen tutkimus, Sulautetut ohjelmistot, Salaustekniikat, Matematiikka Sep 9, 2017 Sep 9, 2017Loppunut €761
LOOKING FOR A BLOCKCHAIN / CRYPTOCURRENCY CTO (CHIEF TECHNOLOGY OFFICER) FOR AN UPCOMING ICO WE ARE A UK TECHNOLOGY COMPANY OPERATING IN THE FIELD OF AUTOMOTIVE SERVICES. WE ARE PLANNING TO LAUNCH AN ICO AND WE ARE INTERESTED TO HIRE A CTO FOR THE PROJECT WE PROVIDE: A) STANDARD FEE FOR PARTICIPATION IN THE PREPARATION AND OPERATION OF TOKENSALE - CIRCA $2.000 / MONTH B) UPON SUCCESS B1) THE CTO WILL BE GRANTED AN AMOUNT OF $200.000 IN TOKENS AS A SUCCESS FEE B2) THE... 14 tietojärjestelmäarkkitehtuuri, Salaustekniikat, Blockchain Sep 8, 2017 Sep 8, 2017Loppunut €57236
Build Bitcoin exchanges or trading site -- 4 Replica the Bitcoin Exchange Site with similar function of bon bitcoin Integrate Home Page Change Logo Change & Content Change Upload to Server adapt qbitmarket’s design and main color is green 29 PHP, Salaustekniikat, HTML, Bitcoin Sep 7, 2017 Sep 7, 2017Loppunut €1736
Build Bitcoin exchanges or trading site -- 3 Hello, We should build bitcoin exchange site in 3 months. But we don't want to build from the base. So, we're looking for open source for bitcoin or iridium exchange site. Our request is as follow 1) suggest open source for bitcoin or iridium exchange site. 2) tell me what's the architecture of bitcoin or iridium exchanges. 3) how long and how you can develop this site. I mea... 22 PHP, Salaustekniikat, HTML, Bitcoin Sep 7, 2017 Sep 7, 2017Loppunut €2763
email encryption need email encryption with installation of enigmail + pgp on thunderbird 0 Salaustekniikat Sep 6, 2017 Sep 6, 2017Loppunut -
Cryptocurrency Development / Bitcoin Expert Needed 9-5-17 - Budget $500 We are developing a new cryptocurrency and are looking for a developer who is an expert software developer in Cryptocurrency / Bitcoin / and Online security. The patented new cryptocurrency we are developing must have all the features and capabilities of bitcoin. This means it must be securely encrypted, capable of being "mined" as well as possess another capability that we will disc... 3 Verkkoturva, Tietoturva, Salaustekniikat, Blockchain, Ethereum Sep 5, 2017 Sep 5, 2017Loppunut €1773
cryptocurrency forecast I need a Cryptography expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers. 8 PHP, Salaustekniikat Sep 5, 2017 Sep 5, 2017Loppunut -
Create a cryptocurrency Hello , I would like to create a crypto currency. Kindly let me know if you can help out. Thanks. 12 Verkkoturva, Tietoturva, Salaustekniikat, Bitcoin, Koodaus Sep 5, 2017 Sep 5, 2017Loppunut €498
cryptocurrency and business software Im wanting to create a new cryptocurrency that deals with housing development. I also need software made that will keep track of all work and transfer it to a blockchain 4 Salaustekniikat Sep 5, 2017 Sep 5, 2017Loppunut €481
Decode a php 5.6 file - ion cube -- 2 I need someone to decode a php 5.6 file for me. If you don't have skills to unzend ioncube v9 and php 5.6 files you won't be about to complete this project. Files are attached. Regards David 9 PHP, C-ohjelmointi, Salaustekniikat Sep 5, 2017 Sep 5, 2017Loppunut €21
Tietoturva, Salaustekniikat Sep 3, 2017 Sep 3, 2017Loppunut
Need a fully functional Cryptocurrency( Bitcoin, Ethereum & other Altcoin) Trading Exchange We are looking for someone to assist us in creating and setting up a full working Crypto Currency Exchange (BitCoin, Ethereum- trading exchange) web application and a mobile app (Android and iOS). This exchange will have an option to Deposit or Fund INR and USD as primary currency and able to trade coins in BitCoin, Ethereum markets. Have to enable Wiretransfer, Paypal and Paytm as payment met... 42 verkkosivujen suunnittelu, Verkkoturva, Salaustekniikat, Verkkosivun hallinta, Bitcoin Sep 1, 2017 Sep 1, 2017Loppunut €3490
Computer security blockchain crypto port scan Computer security blockchain crypto port scan, IDS... More in PM. Programming, etc. 12 C-ohjelmointi, Tietoturva, Salaustekniikat, Internet-turvallisuus Aug 31, 2017 Aug 31, 2017Loppunut €18
Hire a C++ Programmer Looking for a programmer with the skill and abilities to fully write a cryptocurrency and blockchains 21 PHP, C-ohjelmointi, C# -ohjelmointi, Salaustekniikat, C++ -ohjelmointi Aug 27, 2017 Aug 27, 2017Loppunut €37910
Crypto Currency Coin Based on Bitcoin i want to required make my own crypto currency with wallet as well as bitcoin payment gateway and QT wallet. Only for those who is from India. contact me on [Removed for encouraging offsite communication which is against our Terms and Conditions -Section 13:Communication With Other Users] 13 Salaustekniikat, Bitcoin, Blockchain Aug 27, 2017 Aug 27, 2017Loppunut €2653
skilled h@cker required need a skilled developer. leave bid or message me 8 Salaustekniikat, tiedonlouhinta, Ohjelmistokehitys Aug 26, 2017 Aug 26, 2017Loppunut €2530
Cryptocurrency investing for beginners ~150-page ebook on cryptocurrency investment for beginners. I have an outline. Target audience is English language speakers in North America with an interest in getting started investing in bitcoin. They might have read recent NYTimes articles about Bitcoin or listened to recent NPR coverage. They may invest in other vehicles already (e.g., IRAs, 529 Plans) but may not be sophisticated investors. ... 24 Verkkoturva, Rahoitus, Salaustekniikat, Sijoitustutkimus Aug 24, 2017 Aug 24, 2017Loppunut €1543
Very Professional editing and formatting for a manuscript in the area if information security and cryptography. Very Professional editing and formatting for a manuscript in the area if information security and cryptography. Professional, proofreading and formatting editing is needed for a manuscript of 11000 words in the area of information security and cryptography. Qualification: - Preferred A PhD in computer science in the area of information security and cryptography - Native English - able to ... 13 Oikoluku, Tietoturva, Editointi, Salaustekniikat Aug 24, 2017 Aug 24, 2017Loppunut €404
need to build cryptocurrency exchange or buy sell platform I want to make a mobile app and website for customer who want to buy or sell bitcoin. Also want to provide bitcoin payment processing system for user. I want that developer work as a partner of my project. Pm me for more information. my project just like [osoite poistettu, kirjaudu sisään nähdäksesi] and www.zebpay.com. 20 PHP, Android, Salaustekniikat, MySQL, iOS Development Aug 19, 2017 Aug 19, 2017Loppunut €1669
Articles related to CryptoCurrencies We are looking for longterm contracts with freelancers who will submit articles for a news media related to cryptocurrencies, blockchain, altcoins. In order to be considered for the project you need to submit sample of your work related to the topic and not general articles. Please don't submit an offer when you are not familiar with cryptocurrencies 41 Article Writing, Salaustekniikat, Bitcoin, Blockchain, Ethereum Aug 19, 2017 Aug 19, 2017Loppunut €3635
Create my own cryptocurrency Create my own crypto, Details via chat 1 Salaustekniikat Aug 17, 2017 Aug 17, 2017Loppunut €627
post quantum cryptography the project is about an implementation of key exchange agreement protocol between stm32 microcontroller and a raspberry pi 2. The used protocol is newHope, which is quantum safe crypto protocol. The first implmentation in C (stm32) and in python (raspberry pi) is already done. The communication between the two parts is assured through uart and is already done. The needed job is some measurments of... 19 C-ohjelmointi, Python, Powerpoint, Salaustekniikat Aug 16, 2017 Aug 16, 2017Loppunut €497
Write a Technical Report Looking for Professional Crypto-currency white-paper writer and Designer. Need to complete within 3 days. 11 Tekninen kirjoittaminen, tietojärjestelmäarkkitehtuuri, Tutkimusten kirjoitus, Salaustekniikat Aug 14, 2017 Aug 14, 2017Loppunut €85
CryptoCurrency Token Need to develop a crypto token with all the wallets Experienced Developers Apply !!! 7 Salaustekniikat, C++ -ohjelmointi, Bitcoin, Blockchain Aug 13, 2017 Aug 13, 2017Loppunut €664
steganography need some improvement to my steganography program that written in c# 17 C# -ohjelmointi, Salaustekniikat Aug 13, 2017 Aug 13, 2017Loppunut €120
steganography - 13/08/2017 16:51 EDT need some improvement to my steganography program that written in c# 6 C# -ohjelmointi, Salaustekniikat Aug 13, 2017 Aug 13, 2017Loppunut €110
I need few simple scripts to be coded as some examples for my work and learning JAVA .NET -- 2 I need few simple scrits to be coded as some examples for my work and learning. So I need them to be as simple and easy to understand as possible. Perfectly would be to also get some running and testing how to. There are 10 of them in Javie (in Eclipse), an some in .NET. I need it ASAP Tasks are described in attached file 23 Java, .NET, Verkkoturva, Salaustekniikat, C++ -ohjelmointi Aug 12, 2017 Aug 12, 2017Loppunut €98
Showing 1 to 50 of 76 entries
« 1 2 »