Cryptography Jobs

I need developer to build a php script , the script must be very secure , so it must be coded in secure and it must not have vulnerabilities issues ( read OWASP ). Secondly, i need to implement highest security available, encrypted user data with RSA PGP and two factor auth as well. You must have various knowledge in linux and security. Please guys , do not bid automatically. Read first.

I am looking for PGP PGP PKI key management expert

I now have my chain running. Block explorer is live, however I would like to have a web wallet for ease of use. I am happy with free open source options, it just needs to be secure, with my logo, pointing to my new domain specifically for this wallet and forced https (SSL).

Mr. Mark has written his will. According to his will if his son Jack successfully gets his undergrad degree then he will be entitled to get his share of money from Mr. Mark's wealth. If not, then the money will go to an NGO(that helps homeless) and Jack will get nothing. For This purpose Mr. Mark, writes a smart contract and deploys it. Before deploying the smart contract Mr. Mark generate...

Mr. Mark has written his will. According to his will if his son Jack successfully gets his undergrad degree then he will be entitled to get his share of money from Mr. Mark's wealth. If not, then the money will go to an NGO(that helps homeless) and Jack will get nothing. For This purpose Mr. Mark, writes a smart contract and deploys it. Before deploying the smart contract Mr. Mark generate...

Hello, I have a C code which is basically a reader. It reads data from files and converts it to human readable form. I need to conver this to Python. Best offers needed. Thanks

ENCRYPTION When a word is given change the word into ascii code multiply the ascii code with matrix A (i will tell what matrix A is) Append hash function from SHA1=cipher DECRYPTION Multiply cipher with Hash function and both should get the same output

Coding a network security symmetric algorithm and simulation using a simulator like cloudsim, or NS3 or mininet

Want 2,000 real crypto currency focused users for my telegram group

Cryptocurrency. Build and Ethereum based cryptocurrency. Experience with Blockchain required.

I need to look back on my search history over a specific period, but have deleted the history, and the activity log from my Google account. I'm hoping there will be another way to recover this search history. I'm also looking to improve the overall security of my laptop as I have concerns that I have been hacked.

I Need fork from PIVX or any others coin that have (MN>POS) My coin need some modify see under what modification i need : ---------------------------------------------------------------------------------------------------------------- Coin Summary Verification Type : POS+MN Block TIme : 60 sec Masternode Collateral : 3000/4000/5000/600...

Ok for this project you’ve been given several codes that you need to try and decode. You’ll need to research some of the most common encoding schemes used to try and break each of the codes. An experienced security expert can spot most encoding schemes very quickly, the trick is to check the character set used in the encoded message and the length of the encoded message, these will poi...

Need someone who knows to install/set/connect a bitcoin node with market app in Ubuntu vps. Please if you don`t know how don`t bid, I need it fast and for those who knows it a max half an hour job, everything it installed on the server, just connectivity issue.

I want to make masternode host platform under this 2 link is running this platform long time. [login to view URL] [login to view URL]!/ I need small modify to signup system i want ad signup with referral system and people pay monthly bill with my chose coin. if you 100% sure you can make it then bid and if you have previous work this type of work then bid otherwise please dont dont west your bi...

latest image encryption techniques

Specifically, write a program which on the command “Encrypt” does the following: 1. Encrypts a text file on a randomly generated key using AES-256 in the counter mode (CTR). 2. Appends to the resulting ciphertext its HMAC-SHA256 authentication tag (you will need another random key for the MAC). 3. Uploads the ciphertext alongs with the tag to Google Drive. On the command “Decry...

I'm looking for a blockchain developer who is good at coin fork. Developer should experienced at building daemons, coin fork, ERC20, ICO, smart contract and so on. Please kindly bid on my project and share your past works with me.

I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.