Mật mã Công việc và cuộc thi

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!
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Dự án/Cuộc thi Mô tả Lượt đặt giá/Bài dự thi Kĩ năng Bắt đầu Kết thúc Giá (VND)
BITCOIN and CRYPTO CURRENCY PAIRS Hi free Lancers, we have software is developed on robust PHP framework & MySQL Database. The key development points include Responsive Web Design using BootStrap Data Presentation using DataTables JS Using bitcoind rpc – Own bitcoind server no third party Maintain full control of your private keys with our multi-signature vault. You need to fix admin Panel session and We need to... 2 PHP, Lập trình C, Mật mã, Bitcoin, Blockchain Oct 21, 2017 Hôm nay7n 23g ₫31863636
Currency exchange site using source code Shapeshift style automatic swap cryptocurrency exchange using: [url removed, login to view] source i only need 3 currencies and no fees. These are the only 2 changes i need from the source code need it functional and set up on my domain 4 PHP, Mật mã, Bitcoin, Blockchain, Ethereum Oct 21, 2017 Hôm nay6n 22g ₫2559355
Software Project - make simple application that will remove cryptography applied by ransom-ware This is a project to remove the ransom-ware cryptography of a new variant of Crysis/Dharma Application will need to select a directory of infected files and bath process removal. 7 Lập trình C, An ninh máy tính, Kiến trúc phần mềm, Mật mã, Lập trình C++ Oct 21, 2017 Hôm nay6n 15g ₫10863636
merged pool server looking for someone who has experience setting up a merged crypto currency pool server I'm looking to setup btc, ltc, eth & monero At the end of the project, would like to have a fully setup pool server running with full documentation 11 Linux, Mật mã, node.js Oct 20, 2017 Hôm nay6n 1g ₫24613636
Cryptography - cryptoanalysis I am looking for some one to do some small tasks related to cryptography and crypto analysis. I will share complete details with selected freelancer. 8 An ninh máy tính, Thuật toán, Mật mã Oct 20, 2017 Oct 20, 20175n 6g ₫2511377
Blackbird Bitcoin Arbitrage Api Creating for my site Hello Freelancers. I am a senior Designer on here. Now I have one Bitcoin project.(Front end and Back end). So I am looking for advanced developer of cryptocurrency who will join me to create the best API. Please bid only Bitcoin and Crypto-currency expert. Now I am try to modify the Blackbird Bitcoin Arbitrage Api into my website. Please make sure that you understand the my requirement file... 5 Mật mã, Lập trình C++, Bitcoin, Blockchain Oct 19, 2017 Oct 19, 20174n 23g ₫2909091
Cryptocurrency Coin and Wallet Develop We are looking to create our own cryptocurrency based on [url removed, login to view] This is an open source platform that we will need customized. Litecoin is an open source software project released under the MIT/X11 license which gives you the power to run, modify, and copy the software and to distribute, at your option, modified copies of the software. The software is released in a transpar... 8 Thiết kế trang web, Mobile App Development, Mật mã, Web Development Oct 19, 2017 Oct 19, 20174n 17g ₫34068182
Copywriter for cryptocurrencies / bitcoin / blockchain We are two entrepreneurs and fans of cryptocurrency starting a new project, where we want to teach people how to start with crypto. We are looking for advanced user of cryptocurrency (familiar with blockchains, mining, wallets, exchanges) who will join us to create the best content. We can offer you from 2 to 6 dollars per 100 words based on the experience. If you stay with us several m... 14 Viết quảng cáo, Viết kĩ thuật, Mật mã, Bitcoin, Blockchain Oct 19, 2017 Oct 19, 20174n 16g ₫42136364
Research work related to Identity Based Encryption (IBE) and Elliptic Curve Cryptography (ECC). -- 2 Research work related to Identity Based Encryption (IBE) and Elliptic Curve Cryptography (ECC). Need professional with expertise in security architecture – Network security, application security. Deep technical experience in Security/Identity based Encryption (IBE) and Elliptic Curve Cryptography (ECC). Encryption expertise, HSM (Hardware Security Modules) 16 Nghiên cứu, An ninh máy tính, Mật mã, Machine Learning, Bảo mật Internet Oct 19, 2017 Oct 19, 20174n 13g ₫5510540
Cryptography Website Hi, Im looking for a web developer who has experience in developing cryptography website, Who has worked with Blockchain, Bitcoin, Ehtreum and tokens. 8 PHP, WordPress, Mật mã, Bitcoin, Ethereum Oct 19, 2017 Oct 19, 20174n 8g ₫14931818
recovering the key used to encrypt the string-2 This assignment consists in recovering the key used to encrypt the string “Hello world” in each of the files that belong to your group. For simplicity, each ciphertext is divided in two files: keysize X bits group [url removed, login to view], and keysize X bits group Y.iv. The former contains the ciphertext, and the latter the initialization vector. You only need to work on files ... 5 Javascript, Python, Mật mã Oct 18, 2017 Oct 18, 20173n 23g ₫750000
Installation and Troubleshooting of various services and scripts on Linux Ubunty + Blockchain Specialist I need someone experienced in Linux to Install on Ubuntu platform, various web services to get our website up and running, and to also install the [url removed, login to view] and/or CryptoNote software for the cryptocurrency, and to troubleshoot to make sure everything works for at least 10 days, after the job has been delivered. We do want a long term relationship, so if everything is done to... 7 Quản trị hệ thống, Linux, Mật mã, Ubuntu, Blockchain Oct 17, 2017 Oct 17, 20172n 22g ₫1045455
Build ICO Crypto Website We Want To Make Website ICO Token Sale. Like [url removed, login to view] - [url removed, login to view] 11 PHP, Thiết kế trang web, Mật mã, Bitcoin, Blockchain Oct 17, 2017 Oct 17, 20172n 18g ₫24070673
Create a new cryptocurrency do a new project of a new coin on cryptocurrency markets i need a programmeur to create the coin and to build a goodwebsite the coin will be on exchange markets after 3 months 3 Mật mã, Khai thác mỏ Oct 17, 2017 Oct 17, 20172n 16g ₫176318182
Need a Partner/Writer for a New Blockchain/Cryptocurrency Blog I am starting a new blog on blockchain and cryptocurrency. I want to create a resource where you can find all sorts of information about bitcoin, altcoins, ico's, mining, investing and trading in cryptos, etc. I am looking for a partner who want to do this with me. I am an experienced internet marketer, building informational websites since the last 3 years. 24 Viết quảng cáo, Article Writing, Mật mã, Soạn thảo nội dung, Blockchain Oct 17, 2017 Oct 17, 20172n 3g ₫431818
Recreate XOR Algorithim from ELF file We have an elf file that contains an algorithm that xors several inputs. We no longer have the source code. We need the algorithm recreated in c, or cpp. 18 Lập trình C, Thuật toán, Kiến trúc phần mềm, Mật mã, Lập trình C++ Oct 16, 2017 Oct 16, 20171n 15g ₫2977273
Lập trình C#, Mật mã, OpenGL Oct 15, 2017 Oct 15, 2017Đã kết thúc
Create Digital Crypto Currency Coin Create a full Digital Crypto Currency coin, complete with Wallet, Code's etc.. etc.. 5 Lập trình C, Thuật toán, Mật mã, Web Development, Full Stack Development Oct 14, 2017 Oct 14, 2017Đã kết thúc ₫203977273
Smart Contract Expert I need a smart contract made. It needs to be written in Solidity. Contract needs to have points that can be changed easily for different clients. 6 Mật mã, Bitcoin, Blockchain, Ethereum, Full Stack Development Oct 13, 2017 Oct 13, 2017Đã kết thúc ₫19681818
BITCOIN AND ALTCOIN WALLET Dear Freelancers, We need Bitcoin wallet and new altcoin wallet in our site. we will provide Altcoin source code daemon etc. We need Altcoin buy direct from bitcoin. and member get Automatically Altcoin and reverse also. price of altcoin is 1BTC so 1altcoin = 1btc. Buying/selling from BTC should be on given rate, BTC will Convert USD and Give Altcoin. No price changes accepted only ... 10 Mật mã, Lập trình C++, Bitcoin, Blockchain, Ethereum Oct 13, 2017 Oct 13, 2017Đã kết thúc ₫10422462
Bitcoin/Ethereum Binary MLM website with algorithms I need you to research and create a website with similar functionality as example website ____ stepium (dot) com ____ Bitcoin/Ethereum Binary MLM must run as an example 6 levels /contracts explanations [url removed, login to view] [url removed, login to view] [url removed, login to view] [url removed, login to view] 17 Thiết kế trang web, Kiến trúc phần mềm, MLM, Mật mã, Phân tích nhị phân Oct 12, 2017 Oct 12, 2017Đã kết thúc ₫17409091
Crypto Currency Trading Script (Bugs + Integration) Dear free lancers we have this software, we want need fix bugs and integrate cryptocurrencies, we will provide Server for Run Node and 1 for website. We want Implement ethereum Based Coin too. we need full Document how to run node in future and compile coin. we need at least 25 Currencies integrate with this. here is our software introduction and requirements. (our software is... 16 PHP, Lập trình C, Mật mã, Ubuntu, Blockchain Oct 12, 2017 Oct 12, 2017Đã kết thúc ₫11909091
Consult, Advise, and Help SEtup CRYPTO MINING BITCOIN OR OTHER REMOTELY. I need someone with experience, who will consult, calculate, advise on the graphics cards and easiest way to setup a crypto mining in my home. I would be willing to spend $1000 on the equipment, Please explain how fast i can get my investment back in this field, thank you 1 Mật mã, Khai thác dữ liệu, Bitcoin Oct 12, 2017 Oct 12, 2017Đã kết thúc ₫568182
Make a changes in my bitcoin and altcoin faucet i am running bitcoin and altcoin faucet. It need bring all bitcoin faucet under one registration page and user can claim from here website : [url removed, login to view] Note: contact we know Much better in bitcoin and altcoin faucet 4 PHP, Mật mã, MySQL, HTML, Bitcoin Oct 12, 2017 Oct 12, 2017Đã kết thúc ₫1272727
Crypto/Blockchain/Bitcoin/Ethreum and Altcoin related Resaech work needed Hello, We need someone to conduct indepth research on Crypto/Blockchain/Bitcoin/Ethreum and Altcoin related field mostly to cover profiles,history and contribution of people and businesses. Let us know about this. 31 Nghiên cứu tài chính, Viết báo cáo, Research Writing, Mật mã, Bitcoin Oct 12, 2017 Oct 12, 2017Đã kết thúc ₫10931818
Creating MINING POOL for crypto currencies We need someone with professional skills and EXPERIENCE in creating, maintains, develops and further develops MINING POOL for crypto currencies like https://nanopool.org. PLEASE IF YOU DON'T HAVE REQUIRED SKILLS DO NOT JUST CLICK BID BUTTON ! 10 Linux, Mật mã, Khai thác mỏ, Dịch vụ Web Oct 12, 2017 Oct 12, 2017Đã kết thúc ₫82333847
Security software program I need you to develop some software for me. I would like this software to be developed for Windows . Create a program to encrypt and decrypt binary files using S-DES (Simplified DES) in the Cipher Block Chaining mode. The program takes the input of an initial key and an initial vector, reads the plaintext or ciphertext from a file, conducts the encryption or decryption, and writes the resulting c... 19 Lập trình C, Java, Mật mã, Lập trình C++ Oct 12, 2017 Oct 12, 2017Đã kết thúc ₫2431818
Cryptography work Hi, I need someone who knows cryptography. I have a series of assignments for that person in coming weeks. So if we can agree on a price. We might start this by tomorrow. 16 Java, Kĩ thuật, An ninh máy tính, Thuật toán, Mật mã Oct 11, 2017 Oct 11, 2017Đã kết thúc ₫681818
smart contract for ico Details in discussion. Please only individual 5 Mật mã, Bitcoin, Blockchain Oct 11, 2017 Oct 11, 2017Đã kết thúc ₫18613636
Ico website Only quick work and individual developer 4 Mật mã, Blockchain Oct 11, 2017 Oct 11, 2017Đã kết thúc ₫6318182
Need Cryptocurrency We need to develop a cryptocurrency with wallets for Android Web and iOS 5 Mật mã, Lập trình C++ Oct 11, 2017 Oct 11, 2017Đã kết thúc ₫155954545
Eliptic Curve Cryptography. Diffie Helman I need some Matlab codes to cypher and decipher information using elliptic curve cryptography. 7 Matlab and Mathematica, Mật mã, CUDA, Machine Learning, SAS Oct 10, 2017 Oct 10, 2017Đã kết thúc ₫639497
multi currency wallet A wallet for multiple crypto currencies. Only individual developer please. 6 Mật mã, Bitcoin, Blockchain, Ethereum Oct 10, 2017 Oct 10, 2017Đã kết thúc ₫13636364
Decentralised Exchange for ERC20 tokens Ethereum I want make site same [url removed, login to view] And [url removed, login to view] install script [url removed, login to view] [url removed, login to view] in new my domain and create new Contract Address 1 create new Contract Address for my domain 2 a sample [url removed, login to view] And [url removed, login to view] 3 file script [url removed, login to view] [url removed, log... 3 PHP, Javascript, Mật mã, Bitcoin, Ethereum Oct 10, 2017 Oct 10, 2017Đã kết thúc -
site for sale bitcoin Bitcoin is an innovative payment network and a new type of money, using peer-to-peer technology to not work with any central authority or banks; transaction management and bitcoin output is performed collectively by the network. Bitcoin is open-source; its design is public, no one owns or controls Bitcoin and everyone can take part in the project. Through some of its unique properties, Bitcoin all... 13 PHP, Thiết kế trang web, Thiết kế đồ họa, Mật mã, Lập trình C++ Oct 9, 2017 Oct 9, 2017Đã kết thúc ₫5572967
RSA with sequential and using MPI This main goal for this project is to test the time complexity to encrypt and decrypt text file (UTF-16) using RSA algorithm sequentially and using multiprocessing with MPI. The project with be divide into two parts: 1. The sequential implementation • Input: i. The text file path ii. The key length in number of bits. iii. The output file path (optional) • Processing: i. Encryp... 4 Lập trình C, Linux, An ninh máy tính, Thuật toán, Mật mã Oct 9, 2017 Oct 9, 2017Đã kết thúc ₫1159091
Suggest and create blockchain technology and crypto coin We are looking for a TEAM of EXPERIENCED blockchain developers to come up with the following; 1. Come up with a general idea for a blockchain and crypto currency Idea. 2. Execute with the white paper. 3. Execute with the technology of the blockchain idea. 4. Help execute the ICO process. Again, please make sure your team is highly skilled, and has experience. Our client does not have an ... 4 Mật mã, Bitcoin, Phát triển phần mềm, Blockchain, Ethereum Oct 9, 2017 Oct 9, 2017Đã kết thúc ₫187204545
Small lightweigt c# native(!!) cryptonight cpu-miner An example implementation of a Monero miner in c++ that could be used as base-template for a c# recode : [url removed, login to view] or i : [url removed, login to view] Some resource of people who already managed to do a cryptonight c# miner : [url removed, login to view] [url removed, login to view] Who is up for something new and exciting and wants to take on this project ? :) There... 12 Thuật toán, Lập trình C#, Mật mã, Lập trình C++, WPF Oct 9, 2017 Oct 9, 2017Đã kết thúc ₫15926105
C# Runtime/ScanTIme FUD crypter with SourceCode Hi I am in need of someone to code a fud crypter for me, in C# only. It must have most of the features below. Let me know if you have any questions, thanks. *Multi file crypter *Multi file binder *Multi file compressor *Delay file execution *Icon changer Process Persistence Makes the process stronger and harder to kill. Not always recommended. *Version info change *Custom fake me... 3 Lập trình C#, Mật mã, Lắp ráp Oct 7, 2017 Oct 7, 2017Đã kết thúc ₫10341256
ICO Ethereum Project ICO Ethereum Project We are interested in hiring a complete development to create an ICO in ethereum with its respective Wallet Objective: to create ICO, Wallet and Tokens based on Ethereum 11 Mật mã, Bitcoin, Ethereum Oct 7, 2017 Oct 7, 2017Đã kết thúc ₫191545455
Applied Cryptography It is a project on Applied Cryptography. I will give the details later. 5 Mật mã Oct 7, 2017 Oct 7, 2017Đã kết thúc ₫1204545
Design a secure email system? Design a secure email system based on identity-based cryptography. 8 Java, An ninh Web, An ninh máy tính, Mật mã, Lập trình C++ Oct 7, 2017 Oct 7, 2017Đã kết thúc ₫973831
python gpu CUDA sha224 script Hello I need a python script that does sha224 hashing using gpu parallelisation. Takes 2 parameters, input and count And hashes and rehashes the INPUT for COUNT times then returns the final hash and exists. The freelancer should be able to start work right away and finish in the next hours. The bidding prices are final, asking for a different price after we start discussing will terminate t... 5 Python, Mật mã, CUDA, OpenGL, OpenCL Oct 6, 2017 Oct 6, 2017Đã kết thúc ₫13613636
Research work related to Identity Based Encryption (IBE) and Elliptic Curve Cryptography (ECC). Research work related to Identity Based Encryption (IBE) and Elliptic Curve Cryptography (ECC). Need professional with expertise in security architecture – Network security, application security. Deep technical experience in Security/Identity based Encryption (IBE) and Elliptic Curve Cryptography (ECC). Encryption expertise, HSM (Hardware Security Modules) 5 Nghiên cứu, An ninh máy tính, Mật mã, Machine Learning, Bảo mật Internet Oct 6, 2017 Oct 6, 2017Đã kết thúc ₫1110200
$30 - $250 AUD We would like someone to write a white paper regarding our ICO PROJECT. We need someone who has previously written a white paper and presentation on crypto currency and Block chain technology Hit us up with little detail about your previous projects and we can go from there We will provide examples and kind of a content we want to write. Thanks 18 Viết quảng cáo, Viết báo cáo, Article Writing, Mật mã, Content Marketing Oct 6, 2017 Oct 6, 2017Đã kết thúc ₫2666180
Dogecoin Advertisement Network Need to Develop Dogecoin Based Advertisement network 3 PHP, SQL, Mật mã, Bitcoin, Blockchain Oct 4, 2017 Oct 4, 2017Đã kết thúc ₫10825987
Applied Cryptography Please look at the attached PDF. The successful candidate must know DES and other cryptography methods to be able to finish the task 10 An ninh Web, An ninh máy tính, Thuật toán, Mật mã, Bảo mật Internet Oct 4, 2017 Oct 4, 2017Đã kết thúc ₫3061097
Website clone www.youcaring.com Want a website with the same basic functionality (BASIC) doesnt have to have every single option. Essentially we need a website where users can create accounts and also create "causes" users can desposit funds. Im looking for a good team to do a simplified version of this site within a reasonable budget. I expect a reasonable price for the ongoing build, this will be an ONG... 3 Mật mã Oct 4, 2017 Oct 4, 2017Đã kết thúc ₫10770658
Mật mã, CUDA, Lập trình C++, OpenCL Oct 3, 2017 Oct 3, 2017Đã kết thúc
Fix my PGP Windows 10 Outlook 2016 Cryptography Setup You MUST be a true expert in cryptography and PGP and know how to set up PGP with Outlook 2016, Kleopatra, GPG4win, and have major experience with certificates and important existing PGP certs, keys, and identities into Kleopatra for seamless use in Outlook. I have a setup now but something isn't quite right. I have all my secrets and certs (public and I think private) issued to me by my se... 0 Màn hình Windows, Mật mã, GPGPU, Microsoft Outlook Sep 30, 2017 Sep 30, 2017Đã kết thúc -
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